diff --git a/models/issues/milestone_test.go b/models/issues/milestone_test.go
index 28cd0c028b8af..bd3dee3f7a9c3 100644
--- a/models/issues/milestone_test.go
+++ b/models/issues/milestone_test.go
@@ -98,7 +98,7 @@ func TestGetMilestones(t *testing.T) {
 			milestones, err := db.Find[issues_model.Milestone](db.DefaultContext, issues_model.FindMilestoneOptions{
 				ListOptions: db.ListOptions{
 					Page:     page,
-					PageSize: setting.UI.IssuePagingNum,
+					PageSize: setting.Config().UI.IssuePagingNum.Value(t.Context()),
 				},
 				RepoID:   repo.ID,
 				IsClosed: optional.Some(false),
@@ -115,7 +115,7 @@ func TestGetMilestones(t *testing.T) {
 			milestones, err = db.Find[issues_model.Milestone](db.DefaultContext, issues_model.FindMilestoneOptions{
 				ListOptions: db.ListOptions{
 					Page:     page,
-					PageSize: setting.UI.IssuePagingNum,
+					PageSize: setting.Config().UI.IssuePagingNum.Value(t.Context()),
 				},
 				RepoID:   repo.ID,
 				IsClosed: optional.Some(true),
@@ -231,7 +231,7 @@ func TestGetMilestonesByRepoIDs(t *testing.T) {
 			openMilestones, err := db.Find[issues_model.Milestone](db.DefaultContext, issues_model.FindMilestoneOptions{
 				ListOptions: db.ListOptions{
 					Page:     page,
-					PageSize: setting.UI.IssuePagingNum,
+					PageSize: setting.Config().UI.IssuePagingNum.Value(t.Context()),
 				},
 				RepoIDs:  []int64{repo1.ID, repo2.ID},
 				IsClosed: optional.Some(false),
@@ -249,7 +249,7 @@ func TestGetMilestonesByRepoIDs(t *testing.T) {
 				issues_model.FindMilestoneOptions{
 					ListOptions: db.ListOptions{
 						Page:     page,
-						PageSize: setting.UI.IssuePagingNum,
+						PageSize: setting.Config().UI.IssuePagingNum.Value(t.Context()),
 					},
 					RepoIDs:  []int64{repo1.ID, repo2.ID},
 					IsClosed: optional.Some(true),
diff --git a/models/migrations/fixtures/Test_MigrateIniToDatabase/system_setting.yml b/models/migrations/fixtures/Test_MigrateIniToDatabase/system_setting.yml
new file mode 100644
index 0000000000000..8c2a74c26cae9
--- /dev/null
+++ b/models/migrations/fixtures/Test_MigrateIniToDatabase/system_setting.yml
@@ -0,0 +1,16 @@
+-
+  id: 1
+  setting_key: revision
+  version: 1
+
+-
+  id: 2
+  setting_key: picture.enable_federated_avatar
+  setting_value: false
+  version: 1
+
+-
+  id: 3
+  setting_key: picture.disable_gravatar
+  setting_value: true
+  version: 1
diff --git a/models/migrations/migrations.go b/models/migrations/migrations.go
index 297c50a267f2d..b7842498c3e38 100644
--- a/models/migrations/migrations.go
+++ b/models/migrations/migrations.go
@@ -377,6 +377,7 @@ func prepareMigrationTasks() []*migration {
 		newMigration(314, "Update OwnerID as zero for repository level action tables", v1_24.UpdateOwnerIDOfRepoLevelActionsTables),
 		newMigration(315, "Add Ephemeral to ActionRunner", v1_24.AddEphemeralToActionRunner),
 		newMigration(316, "Add description for secrets and variables", v1_24.AddDescriptionForSecretsAndVariables),
+		newMigration(317, "Migrate the configuration of the ui section of the ini configuration file to the system setting table.", v1_24.MigrateIniToDatabase),
 	}
 	return preparedMigrations
 }
diff --git a/models/migrations/v1_24/main_test.go b/models/migrations/v1_24/main_test.go
new file mode 100644
index 0000000000000..53050554d47ee
--- /dev/null
+++ b/models/migrations/v1_24/main_test.go
@@ -0,0 +1,14 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_24 //nolint
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models/migrations/base"
+)
+
+func TestMain(m *testing.M) {
+	base.MainTest(m)
+}
diff --git a/models/migrations/v1_24/v317.go b/models/migrations/v1_24/v317.go
new file mode 100644
index 0000000000000..de9cd46a60af1
--- /dev/null
+++ b/models/migrations/v1_24/v317.go
@@ -0,0 +1,103 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_24 //nolint
+
+import (
+	"fmt"
+	"math"
+	"strconv"
+
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/util"
+
+	"xorm.io/xorm"
+)
+
+const keyRevision = "revision"
+
+type Setting struct {
+	ID           int64              `xorm:"pk autoincr"`
+	SettingKey   string             `xorm:"varchar(255) unique"` // key should be lowercase
+	SettingValue string             `xorm:"text"`
+	Version      int                `xorm:"version"`
+	Created      timeutil.TimeStamp `xorm:"created"`
+	Updated      timeutil.TimeStamp `xorm:"updated"`
+}
+
+// TableName sets the table name for the settings struct
+func (s *Setting) TableName() string {
+	return "system_setting"
+}
+
+func MigrateIniToDatabase(x *xorm.Engine) error {
+	uiMap := make(map[string]string)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("EXPLORE_PAGING_NUM"))] = strconv.Itoa(setting.ExplorePagingNum)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("SITEMAP_PAGING_NUM"))] = strconv.Itoa(setting.SitemapPagingNum)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("ISSUE_PAGING_NUM"))] = strconv.Itoa(setting.IssuePagingNum)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("REPO_SEARCH_PAGING_NUM"))] = strconv.Itoa(setting.RepoSearchPagingNum)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("MEMBERS_PAGING_NUM"))] = strconv.Itoa(setting.MembersPagingNum)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("FEED_MAX_COMMIT_NUM"))] = strconv.Itoa(setting.FeedMaxCommitNum)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("FEED_PAGING_NUM"))] = strconv.Itoa(setting.FeedPagingNum)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("PACKAGES_PAGING_NUM"))] = strconv.Itoa(setting.PackagesPagingNum)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("CODE_COMMENT_LINES"))] = strconv.Itoa(setting.CodeCommentLines)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("SHOW_USER_EMAIL"))] = strconv.FormatBool(setting.ShowUserEmail)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("SEARCH_REPO_DESCRIPTION"))] = strconv.FormatBool(setting.SearchRepoDescription)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("ONLY_SHOW_RELEVANT_REPOS"))] = strconv.FormatBool(setting.OnlyShowRelevantRepos)
+	uiMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("EXPLORE_PAGING_DEFAULT_SORT"))] = fmt.Sprintf("\"%s\"", setting.ExploreDefaultSort)
+
+	sess := x.NewSession()
+	defer sess.Close()
+
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+
+	if err := sess.Sync(new(Setting)); err != nil {
+		return err
+	}
+
+	_ = getRevision(sess) // prepare the "revision" key ahead
+
+	if _, err := sess.Exec("UPDATE system_setting SET version=version+1 WHERE setting_key=?", keyRevision); err != nil {
+		return err
+	}
+	for k, v := range uiMap {
+		res, err := sess.Exec("UPDATE system_setting SET version=version+1, setting_value=? WHERE setting_key=?", v, k)
+		if err != nil {
+			return err
+		}
+		rows, _ := res.RowsAffected()
+		if rows == 0 { // if no existing row, insert a new row
+			if _, err = sess.Insert(&Setting{SettingKey: k, SettingValue: v}); err != nil {
+				return err
+			}
+		}
+	}
+
+	return sess.Commit()
+}
+
+func getRevision(sess *xorm.Session) int {
+	revision := &Setting{}
+	exist, err := sess.Where("setting_key = ?", keyRevision).Get(revision)
+	if err != nil {
+		return 0
+	} else if !exist {
+		_, err = sess.Insert(&Setting{SettingKey: keyRevision, Version: 1})
+		if err != nil {
+			return 0
+		}
+		return 1
+	}
+
+	if revision.Version <= 0 || revision.Version >= math.MaxInt-1 {
+		_, err = sess.Exec("UPDATE system_setting SET version=1 WHERE setting_key=?", keyRevision)
+		if err != nil {
+			return 0
+		}
+		return 1
+	}
+	return revision.Version
+}
diff --git a/models/migrations/v1_24/v317_test.go b/models/migrations/v1_24/v317_test.go
new file mode 100644
index 0000000000000..0b05b71acdb87
--- /dev/null
+++ b/models/migrations/v1_24/v317_test.go
@@ -0,0 +1,27 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_24 //nolint
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models/migrations/base"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_MigrateIniToDatabase(t *testing.T) {
+	// Prepare and load the testing database
+	x, deferable := base.PrepareTestEnv(t, 0, new(Setting))
+	defer deferable()
+	if x == nil || t.Failed() {
+		return
+	}
+
+	assert.NoError(t, MigrateIniToDatabase(x))
+
+	cnt, err := x.Table("system_setting").Where("setting_key LIKE 'ui.%'").Count()
+	assert.NoError(t, err)
+	assert.EqualValues(t, 13, cnt)
+}
diff --git a/modules/indexer/code/gitgrep/gitgrep.go b/modules/indexer/code/gitgrep/gitgrep.go
index 093c189ba39e3..f9a9f663b5e5c 100644
--- a/modules/indexer/code/gitgrep/gitgrep.go
+++ b/modules/indexer/code/gitgrep/gitgrep.go
@@ -47,8 +47,8 @@ func PerformSearch(ctx context.Context, page int, repoID int64, gitRepo *git.Rep
 	}
 
 	total = len(res)
-	pageStart := min((page-1)*setting.UI.RepoSearchPagingNum, len(res))
-	pageEnd := min(page*setting.UI.RepoSearchPagingNum, len(res))
+	pageStart := min((page-1)*setting.Config().UI.RepoSearchPagingNum.Value(ctx), len(res))
+	pageEnd := min(page*setting.Config().UI.RepoSearchPagingNum.Value(ctx), len(res))
 	res = res[pageStart:pageEnd]
 	for _, r := range res {
 		searchResults = append(searchResults, &code_indexer.Result{
diff --git a/modules/setting/config.go b/modules/setting/config.go
index 03558574c2110..f766847d5e890 100644
--- a/modules/setting/config.go
+++ b/modules/setting/config.go
@@ -4,6 +4,7 @@
 package setting
 
 import (
+	"context"
 	"sync"
 
 	"code.gitea.io/gitea/modules/log"
@@ -51,9 +52,62 @@ type RepositoryStruct struct {
 	OpenWithEditorApps *config.Value[OpenWithEditorAppsType]
 }
 
+type UIStruct struct {
+	ExplorePagingNum      *config.Value[int]
+	SitemapPagingNum      *config.Value[int]
+	IssuePagingNum        *config.Value[int]
+	RepoSearchPagingNum   *config.Value[int]
+	MembersPagingNum      *config.Value[int]
+	FeedMaxCommitNum      *config.Value[int]
+	FeedPagingNum         *config.Value[int]
+	PackagesPagingNum     *config.Value[int]
+	CodeCommentLines      *config.Value[int]
+	ShowUserEmail         *config.Value[bool]
+	SearchRepoDescription *config.Value[bool]
+	OnlyShowRelevantRepos *config.Value[bool]
+	ExploreDefaultSort    *config.Value[string]
+}
+
+func (u *UIStruct) ToStruct(ctx context.Context) UIForm {
+	return UIForm{
+		ExplorePagingNum:         u.ExplorePagingNum.Value(ctx),
+		SitemapPagingNum:         u.SitemapPagingNum.Value(ctx),
+		IssuePagingNum:           u.IssuePagingNum.Value(ctx),
+		RepoSearchPagingNum:      u.RepoSearchPagingNum.Value(ctx),
+		MembersPagingNum:         u.MembersPagingNum.Value(ctx),
+		FeedMaxCommitNum:         u.FeedMaxCommitNum.Value(ctx),
+		FeedPagingNum:            u.FeedPagingNum.Value(ctx),
+		PackagesPagingNum:        u.PackagesPagingNum.Value(ctx),
+		CodeCommentLines:         u.CodeCommentLines.Value(ctx),
+		ShowUserEmail:            u.ShowUserEmail.Value(ctx),
+		SearchRepoDescription:    u.SearchRepoDescription.Value(ctx),
+		OnlyShowRelevantRepos:    u.OnlyShowRelevantRepos.Value(ctx),
+		ExplorePagingDefaultSort: u.ExploreDefaultSort.Value(ctx),
+		ExplorePagingSortOption:  []string{"recentupdate", "alphabetically", "reverselastlogin", "newest", "oldest"},
+	}
+}
+
+type UIForm struct {
+	ExplorePagingNum         int
+	SitemapPagingNum         int
+	IssuePagingNum           int
+	RepoSearchPagingNum      int
+	MembersPagingNum         int
+	FeedMaxCommitNum         int
+	FeedPagingNum            int
+	PackagesPagingNum        int
+	CodeCommentLines         int
+	ShowUserEmail            bool
+	SearchRepoDescription    bool
+	OnlyShowRelevantRepos    bool
+	ExplorePagingDefaultSort string
+	ExplorePagingSortOption  []string
+}
+
 type ConfigStruct struct {
 	Picture    *PictureStruct
 	Repository *RepositoryStruct
+	UI         *UIStruct
 }
 
 var (
@@ -71,6 +125,21 @@ func initDefaultConfig() {
 		Repository: &RepositoryStruct{
 			OpenWithEditorApps: config.ValueJSON[OpenWithEditorAppsType]("repository.open-with.editor-apps"),
 		},
+		UI: &UIStruct{
+			ExplorePagingNum:      config.ValueJSON[int]("ui.explore_paging_num").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "EXPLORE_PAGING_NUM"}).WithDefault(20),
+			SitemapPagingNum:      config.ValueJSON[int]("ui.sitemap_paging_num").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "SITEMAP_PAGING_NUM"}).WithDefault(20),
+			IssuePagingNum:        config.ValueJSON[int]("ui.issue_paging_num").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "ISSUE_PAGING_NUM"}).WithDefault(20),
+			RepoSearchPagingNum:   config.ValueJSON[int]("ui.repo_search_paging_num").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "REPO_SEARCH_PAGING_NUM"}).WithDefault(20),
+			MembersPagingNum:      config.ValueJSON[int]("ui.members_paging_num").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "MEMBERS_PAGING_NUM"}).WithDefault(20),
+			FeedMaxCommitNum:      config.ValueJSON[int]("ui.feed_max_commit_num").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "FEED_MAX_COMMIT_NUM"}).WithDefault(20),
+			FeedPagingNum:         config.ValueJSON[int]("ui.feed_paging_num").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "FEED_PAGE_NUM"}).WithDefault(20),
+			PackagesPagingNum:     config.ValueJSON[int]("ui.packages_paging_num").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "PACKAGES_PAGING_NUM"}).WithDefault(20),
+			CodeCommentLines:      config.ValueJSON[int]("ui.code_comment_lines").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "CODE_COMMENT_LINES"}).WithDefault(4),
+			ShowUserEmail:         config.ValueJSON[bool]("ui.show_user_email").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "SHOW_USER_EMAIL"}).WithDefault(true),
+			SearchRepoDescription: config.ValueJSON[bool]("ui.search_repo_description").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "SEARCH_REPO_DESCRIPTION"}).WithDefault(false),
+			OnlyShowRelevantRepos: config.ValueJSON[bool]("ui.only_show_relevant_repos").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "ONLY_SHOW_RELEVANT_REPOS"}).WithDefault(false),
+			ExploreDefaultSort:    config.ValueJSON[string]("ui.explore_paging_default_sort").WithFileConfig(config.CfgSecKey{Sec: "ui", Key: "EXPLORE_PAGING_DEFAULT_SORT"}).WithDefault("recentupdate"),
+		},
 	}
 }
 
diff --git a/modules/setting/ui.go b/modules/setting/ui.go
index 3d9c916bf7f72..f4289647a3d25 100644
--- a/modules/setting/ui.go
+++ b/modules/setting/ui.go
@@ -11,156 +11,143 @@ import (
 )
 
 // UI settings
-var UI = struct {
-	ExplorePagingNum        int
-	SitemapPagingNum        int
-	IssuePagingNum          int
-	RepoSearchPagingNum     int
-	MembersPagingNum        int
-	FeedMaxCommitNum        int
-	FeedPagingNum           int
-	PackagesPagingNum       int
-	GraphMaxCommitNum       int
-	CodeCommentLines        int
-	ReactionMaxUserNum      int
-	MaxDisplayFileSize      int64
-	ShowUserEmail           bool
-	DefaultShowFullName     bool
-	DefaultTheme            string
-	Themes                  []string
-	FileIconTheme           string
-	Reactions               []string
-	ReactionsLookup         container.Set[string] `ini:"-"`
-	CustomEmojis            []string
-	CustomEmojisMap         map[string]string `ini:"-"`
-	SearchRepoDescription   bool
-	OnlyShowRelevantRepos   bool
-	ExploreDefaultSort      string `ini:"EXPLORE_PAGING_DEFAULT_SORT"`
-	PreferredTimestampTense string
-
-	AmbiguousUnicodeDetection bool
-
-	Notification struct {
-		MinTimeout            time.Duration
-		TimeoutStep           time.Duration
-		MaxTimeout            time.Duration
-		EventSourceUpdateTime time.Duration
-	} `ini:"ui.notification"`
-
-	SVG struct {
-		Enabled bool `ini:"ENABLE_RENDER"`
-	} `ini:"ui.svg"`
-
-	CSV struct {
-		MaxFileSize int64
-		MaxRows     int
-	} `ini:"ui.csv"`
-
-	Admin struct {
-		UserPagingNum   int
-		RepoPagingNum   int
-		NoticePagingNum int
-		OrgPagingNum    int
-	} `ini:"ui.admin"`
-	User struct {
-		RepoPagingNum int
-		OrgPagingNum  int
-	} `ini:"ui.user"`
-	Meta struct {
-		Author      string
-		Description string
-		Keywords    string
-	} `ini:"ui.meta"`
-}{
-	ExplorePagingNum:        20,
-	SitemapPagingNum:        20,
-	IssuePagingNum:          20,
-	RepoSearchPagingNum:     20,
-	MembersPagingNum:        20,
-	FeedMaxCommitNum:        5,
-	FeedPagingNum:           20,
-	PackagesPagingNum:       20,
-	GraphMaxCommitNum:       100,
-	CodeCommentLines:        4,
-	ReactionMaxUserNum:      10,
-	MaxDisplayFileSize:      8388608,
-	DefaultTheme:            `gitea-auto`,
-	FileIconTheme:           `material`,
-	Reactions:               []string{`+1`, `-1`, `laugh`, `hooray`, `confused`, `heart`, `rocket`, `eyes`},
-	CustomEmojis:            []string{`git`, `gitea`, `codeberg`, `gitlab`, `github`, `gogs`},
-	CustomEmojisMap:         map[string]string{"git": ":git:", "gitea": ":gitea:", "codeberg": ":codeberg:", "gitlab": ":gitlab:", "github": ":github:", "gogs": ":gogs:"},
-	ExploreDefaultSort:      "recentupdate",
-	PreferredTimestampTense: "mixed",
-
-	AmbiguousUnicodeDetection: true,
-
-	Notification: struct {
-		MinTimeout            time.Duration
-		TimeoutStep           time.Duration
-		MaxTimeout            time.Duration
-		EventSourceUpdateTime time.Duration
-	}{
-		MinTimeout:            10 * time.Second,
-		TimeoutStep:           10 * time.Second,
-		MaxTimeout:            60 * time.Second,
-		EventSourceUpdateTime: 10 * time.Second,
-	},
-	SVG: struct {
-		Enabled bool `ini:"ENABLE_RENDER"`
-	}{
-		Enabled: true,
-	},
-	CSV: struct {
-		MaxFileSize int64
-		MaxRows     int
-	}{
-		MaxFileSize: 524288,
-		MaxRows:     2500,
-	},
-	Admin: struct {
-		UserPagingNum   int
-		RepoPagingNum   int
-		NoticePagingNum int
-		OrgPagingNum    int
-	}{
-		UserPagingNum:   50,
-		RepoPagingNum:   50,
-		NoticePagingNum: 25,
-		OrgPagingNum:    50,
-	},
-	User: struct {
-		RepoPagingNum int
-		OrgPagingNum  int
-	}{
-		RepoPagingNum: 15,
-		OrgPagingNum:  15,
-	},
-	Meta: struct {
-		Author      string
-		Description string
-		Keywords    string
+var (
+	UI = struct {
+		GraphMaxCommitNum       int
+		ReactionMaxUserNum      int
+		MaxDisplayFileSize      int64
+		DefaultShowFullName     bool
+		DefaultTheme            string
+		Themes                  []string
+		FileIconTheme           string
+		Reactions               []string
+		ReactionsLookup         container.Set[string] `ini:"-"`
+		CustomEmojis            []string
+		CustomEmojisMap         map[string]string `ini:"-"`
+		PreferredTimestampTense string
+
+		AmbiguousUnicodeDetection bool
+
+		Notification struct {
+			MinTimeout            time.Duration
+			TimeoutStep           time.Duration
+			MaxTimeout            time.Duration
+			EventSourceUpdateTime time.Duration
+		} `ini:"ui.notification"`
+
+		SVG struct {
+			Enabled bool `ini:"ENABLE_RENDER"`
+		} `ini:"ui.svg"`
+
+		CSV struct {
+			MaxFileSize int64
+			MaxRows     int
+		} `ini:"ui.csv"`
+
+		Admin struct {
+			UserPagingNum   int
+			RepoPagingNum   int
+			NoticePagingNum int
+			OrgPagingNum    int
+		} `ini:"ui.admin"`
+		User struct {
+			RepoPagingNum int
+			OrgPagingNum  int
+		} `ini:"ui.user"`
+		Meta struct {
+			Author      string
+			Description string
+			Keywords    string
+		} `ini:"ui.meta"`
 	}{
-		Author:      "Gitea - Git with a cup of tea",
-		Description: "Gitea (Git with a cup of tea) is a painless self-hosted Git service written in Go",
-		Keywords:    "go,git,self-hosted,gitea",
-	},
-}
+		GraphMaxCommitNum:       100,
+		ReactionMaxUserNum:      10,
+		MaxDisplayFileSize:      8388608,
+		DefaultTheme:            `gitea-auto`,
+		FileIconTheme:           `material`,
+		Reactions:               []string{`+1`, `-1`, `laugh`, `hooray`, `confused`, `heart`, `rocket`, `eyes`},
+		CustomEmojis:            []string{`git`, `gitea`, `codeberg`, `gitlab`, `github`, `gogs`},
+		CustomEmojisMap:         map[string]string{"git": ":git:", "gitea": ":gitea:", "codeberg": ":codeberg:", "gitlab": ":gitlab:", "github": ":github:", "gogs": ":gogs:"},
+		PreferredTimestampTense: "mixed",
+
+		AmbiguousUnicodeDetection: true,
+
+		Notification: struct {
+			MinTimeout            time.Duration
+			TimeoutStep           time.Duration
+			MaxTimeout            time.Duration
+			EventSourceUpdateTime time.Duration
+		}{
+			MinTimeout:            10 * time.Second,
+			TimeoutStep:           10 * time.Second,
+			MaxTimeout:            60 * time.Second,
+			EventSourceUpdateTime: 10 * time.Second,
+		},
+		SVG: struct {
+			Enabled bool `ini:"ENABLE_RENDER"`
+		}{
+			Enabled: true,
+		},
+		CSV: struct {
+			MaxFileSize int64
+			MaxRows     int
+		}{
+			MaxFileSize: 524288,
+			MaxRows:     2500,
+		},
+		Admin: struct {
+			UserPagingNum   int
+			RepoPagingNum   int
+			NoticePagingNum int
+			OrgPagingNum    int
+		}{
+			UserPagingNum:   50,
+			RepoPagingNum:   50,
+			NoticePagingNum: 25,
+			OrgPagingNum:    50,
+		},
+		User: struct {
+			RepoPagingNum int
+			OrgPagingNum  int
+		}{
+			RepoPagingNum: 15,
+			OrgPagingNum:  15,
+		},
+		Meta: struct {
+			Author      string
+			Description string
+			Keywords    string
+		}{
+			Author:      "Gitea - Git with a cup of tea",
+			Description: "Gitea (Git with a cup of tea) is a painless self-hosted Git service written in Go",
+			Keywords:    "go,git,self-hosted,gitea",
+		},
+	}
+
+	ExplorePagingNum      int    // Depreciated: migrated to database
+	SitemapPagingNum      int    // Depreciated: migrated to database
+	IssuePagingNum        int    // Depreciated: migrated to database
+	RepoSearchPagingNum   int    // Depreciated: migrated to database
+	MembersPagingNum      int    // Depreciated: migrated to database
+	FeedMaxCommitNum      int    // Depreciated: migrated to database
+	FeedPagingNum         int    // Depreciated: migrated to database
+	PackagesPagingNum     int    // Depreciated: migrated to database
+	CodeCommentLines      int    // Depreciated: migrated to database
+	ShowUserEmail         bool   // Depreciated: migrated to database
+	SearchRepoDescription bool   // Depreciated: migrated to database
+	OnlyShowRelevantRepos bool   // Depreciated: migrated to database
+	ExploreDefaultSort    string // Depreciated: migrated to database
+)
 
 func loadUIFrom(rootCfg ConfigProvider) {
 	mustMapSetting(rootCfg, "ui", &UI)
 	sec := rootCfg.Section("ui")
-	UI.ShowUserEmail = sec.Key("SHOW_USER_EMAIL").MustBool(true)
 	UI.DefaultShowFullName = sec.Key("DEFAULT_SHOW_FULL_NAME").MustBool(false)
-	UI.SearchRepoDescription = sec.Key("SEARCH_REPO_DESCRIPTION").MustBool(true)
 
 	if UI.PreferredTimestampTense != "mixed" && UI.PreferredTimestampTense != "absolute" {
 		log.Fatal("ui.PREFERRED_TIMESTAMP_TENSE must be either 'mixed' or 'absolute'")
 	}
 
-	// OnlyShowRelevantRepos=false is important for many private/enterprise instances,
-	// because many private repositories do not have "description/topic", users just want to search by their names.
-	UI.OnlyShowRelevantRepos = sec.Key("ONLY_SHOW_RELEVANT_REPOS").MustBool(false)
-
 	UI.ReactionsLookup = make(container.Set[string])
 	for _, reaction := range UI.Reactions {
 		UI.ReactionsLookup.Add(reaction)
@@ -169,4 +156,33 @@ func loadUIFrom(rootCfg ConfigProvider) {
 	for _, emoji := range UI.CustomEmojis {
 		UI.CustomEmojisMap[emoji] = ":" + emoji + ":"
 	}
+
+	ExplorePagingNum = sec.Key("EXPLORE_PAGING_NUM").MustInt(20)
+	deprecatedSettingDB(rootCfg, "ui", "EXPLORE_PAGING_NUM")
+	SitemapPagingNum = sec.Key("SITEMAP_PAGING_NUM").MustInt(20)
+	deprecatedSettingDB(rootCfg, "ui", "SITEMAP_PAGING_NUM")
+	IssuePagingNum = sec.Key("ISSUE_PAGING_NUM").MustInt(20)
+	deprecatedSettingDB(rootCfg, "ui", "ISSUE_PAGING_NUM")
+	RepoSearchPagingNum = sec.Key("REPO_SEARCH_PAGING_NUM").MustInt(20)
+	deprecatedSettingDB(rootCfg, "ui", "REPO_SEARCH_PAGING_NUM")
+	MembersPagingNum = sec.Key("MEMBERS_PAGING_NUM").MustInt(20)
+	deprecatedSettingDB(rootCfg, "ui", "MEMBERS_PAGING_NUM")
+	FeedMaxCommitNum = sec.Key("FEED_MAX_COMMIT_NUM").MustInt(5)
+	deprecatedSettingDB(rootCfg, "ui", "FEED_MAX_COMMIT_NUM")
+	FeedPagingNum = sec.Key("FEED_PAGING_NUM").MustInt(20)
+	deprecatedSettingDB(rootCfg, "ui", "FEED_PAGING_NUM")
+	PackagesPagingNum = sec.Key("PACKAGES_PAGING_NUM").MustInt(20)
+	deprecatedSettingDB(rootCfg, "ui", "PACKAGES_PAGING_NUM")
+	CodeCommentLines = sec.Key("CODE_COMMENT_LINES").MustInt(4)
+	deprecatedSettingDB(rootCfg, "ui", "CODE_COMMENT_LINES")
+	ShowUserEmail = sec.Key("SHOW_USER_EMAIL").MustBool(true)
+	deprecatedSettingDB(rootCfg, "ui", "SHOW_USER_EMAIL")
+	SearchRepoDescription = sec.Key("SEARCH_REPO_DESCRIPTION").MustBool(true)
+	deprecatedSettingDB(rootCfg, "ui", "SEARCH_REPO_DESCRIPTION")
+	// OnlyShowRelevantRepos=false is important for many private/enterprise instances,
+	// because many private repositories do not have "description/topic", users just want to search by their names.
+	OnlyShowRelevantRepos = sec.Key("ONLY_SHOW_RELEVANT_REPOS").MustBool(false)
+	deprecatedSettingDB(rootCfg, "ui", "ONLY_SHOW_RELEVANT_REPOS")
+	ExploreDefaultSort = sec.Key("EXPLORE_PAGING_DEFAULT_SORT").MustString("recentupdate")
+	deprecatedSettingDB(rootCfg, "ui", "EXPLORE_PAGING_DEFAULT_SORT")
 }
diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 876e135b22f57..973991feef406 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -3016,6 +3016,7 @@ dashboard.sync_branch.started = Branches Sync started
 dashboard.sync_tag.started = Tags Sync started
 dashboard.rebuild_issue_indexer = Rebuild issue indexer
 dashboard.sync_repo_licenses = Sync repo licenses
+dashboard.update_settings_success = Update settings success
 
 users.user_manage_panel = User Account Management
 users.new_account = Create User Account
@@ -3364,6 +3365,21 @@ config.session_life_time = Session Life Time
 config.https_only = HTTPS Only
 config.cookie_life_time = Cookie Life Time
 
+config.ui_config = UI Configuration
+config.ui.explore_paging_num = Explore Paging Number
+config.ui.issue_paging_num = Issue Paging Number
+config.ui.feed_max_commit_numb = Feed Max Commit Number
+config.ui.feed_paging_num = Feed Paging Number
+config.ui.packages_paging_num = Packages Paging Number
+config.ui.repo_search_paging_num = Repo Search Paging Number
+config.ui.members_paging_num = Member Paging Number
+config.ui.sitemap_paging_num = Sitemap Paging Number
+config.ui.code_comment_lines = Code Comment Lines
+config.ui.explore_paging_default_sort = Explore Paging Default Sort
+config.ui.show_user_email = Show User Email
+config.ui.search_repo_description = Search Repo Description
+config.ui.only_show_relevant_repos = Only Show Relevant Repos
+
 config.picture_config = Picture and Avatar Configuration
 config.picture_service = Picture Service
 config.disable_gravatar = Disable Gravatar
diff --git a/routers/api/v1/repo/issue.go b/routers/api/v1/repo/issue.go
index c9575ff98a001..fdcee0d0e7d20 100644
--- a/routers/api/v1/repo/issue.go
+++ b/routers/api/v1/repo/issue.go
@@ -260,7 +260,7 @@ func SearchIssues(ctx *context.APIContext) {
 	// so the default limit is set to fit UI needs
 	limit := ctx.FormInt("limit")
 	if limit == 0 {
-		limit = setting.UI.IssuePagingNum
+		limit = setting.Config().UI.IssuePagingNum.Value(ctx)
 	} else if limit > setting.API.MaxResponseItems {
 		limit = setting.API.MaxResponseItems
 	}
diff --git a/routers/web/admin/config.go b/routers/web/admin/config.go
index 520f14e89fa2e..f0ce8a5e030c8 100644
--- a/routers/web/admin/config.go
+++ b/routers/web/admin/config.go
@@ -5,6 +5,7 @@
 package admin
 
 import (
+	"fmt"
 	"net/http"
 	"net/url"
 	"strconv"
@@ -19,7 +20,9 @@ import (
 	"code.gitea.io/gitea/modules/setting/config"
 	"code.gitea.io/gitea/modules/templates"
 	"code.gitea.io/gitea/modules/util"
+	"code.gitea.io/gitea/modules/web"
 	"code.gitea.io/gitea/services/context"
+	"code.gitea.io/gitea/services/forms"
 	"code.gitea.io/gitea/services/mailer"
 
 	"gitea.com/go-chi/session"
@@ -191,6 +194,7 @@ func ConfigSettings(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.config_settings")
 	ctx.Data["PageIsAdminConfig"] = true
 	ctx.Data["PageIsAdminConfigSettings"] = true
+	ctx.Data["UI"] = setting.Config().UI.ToStruct(ctx)
 	ctx.Data["DefaultOpenWithEditorAppsString"] = setting.DefaultOpenWithEditorApps().ToTextareaString()
 	ctx.HTML(http.StatusOK, tplConfigSettings)
 }
@@ -253,3 +257,35 @@ func ChangeConfig(ctx *context.Context) {
 	config.GetDynGetter().InvalidateCache()
 	ctx.JSONOK()
 }
+
+func ChangeUIConfig(ctx *context.Context) {
+	form := web.GetForm(ctx).(*forms.UIForm)
+	log.Debug("ChangeUIConfig form: %+v", form)
+	formMap := make(map[string]string)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("EXPLORE_PAGING_NUM"))] = strconv.Itoa(form.ExplorePagingNum)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("SITEMAP_PAGING_NUM"))] = strconv.Itoa(form.SitemapPagingNum)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("ISSUE_PAGING_NUM"))] = strconv.Itoa(form.IssuePagingNum)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("REPO_SEARCH_PAGING_NUM"))] = strconv.Itoa(form.RepoSearchPagingNum)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("MEMBERS_PAGING_NUM"))] = strconv.Itoa(form.MembersPagingNum)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("FEED_MAX_COMMIT_NUM"))] = strconv.Itoa(form.FeedMaxCommitNum)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("FEED_PAGING_NUM"))] = strconv.Itoa(form.FeedPagingNum)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("PACKAGES_PAGING_NUM"))] = strconv.Itoa(form.PackagesPagingNum)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("CODE_COMMENT_LINES"))] = strconv.Itoa(form.CodeCommentLines)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("SHOW_USER_EMAIL"))] = strconv.FormatBool(form.ShowUserEmail)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("SEARCH_REPO_DESCRIPTION"))] = strconv.FormatBool(form.SearchRepoDescription)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("ONLY_SHOW_RELEVANT_REPOS"))] = strconv.FormatBool(form.OnlyShowRelevantRepos)
+	formMap[fmt.Sprintf("ui.%s", util.ToSnakeCase("EXPLORE_PAGING_DEFAULT_SORT"))] = fmt.Sprintf("\"%s\"", form.ExplorePagingDefaultSort)
+
+	log.Debug("ChangeUIConfig form: %+v", formMap)
+
+	if err := system_model.SetSettings(ctx, formMap); err != nil {
+		log.Error("set ui configuration failed: %v", err)
+		ctx.ServerError("SetSettings", err)
+		return
+	}
+
+	config.GetDynGetter().InvalidateCache()
+
+	ctx.Flash.Success(ctx.Tr("admin.dashboard.update_settings_success"))
+	ctx.Redirect(setting.AppSubURL + "/-/admin/config/settings")
+}
diff --git a/routers/web/admin/packages.go b/routers/web/admin/packages.go
index 5122342259584..ef83649be8868 100644
--- a/routers/web/admin/packages.go
+++ b/routers/web/admin/packages.go
@@ -38,7 +38,7 @@ func Packages(ctx *context.Context) {
 		Sort:       sort,
 		IsInternal: optional.Some(false),
 		Paginator: &db.ListOptions{
-			PageSize: setting.UI.PackagesPagingNum,
+			PageSize: setting.Config().UI.PackagesPagingNum.Value(ctx),
 			Page:     page,
 		},
 	})
@@ -76,7 +76,7 @@ func Packages(ctx *context.Context) {
 	ctx.Data["TotalBlobSize"] = totalBlobSize - totalUnreferencedBlobSize
 	ctx.Data["TotalUnreferencedBlobSize"] = totalUnreferencedBlobSize
 
-	pager := context.NewPagination(int(total), setting.UI.PackagesPagingNum, page, 5)
+	pager := context.NewPagination(int(total), setting.Config().UI.PackagesPagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
diff --git a/routers/web/explore/code.go b/routers/web/explore/code.go
index 8f6518a4fc37c..8e10fbea775ac 100644
--- a/routers/web/explore/code.go
+++ b/routers/web/explore/code.go
@@ -78,7 +78,7 @@ func Code(ctx *context.Context) {
 			Language:   prepareSearch.Language,
 			Paginator: &db.ListOptions{
 				Page:     page,
-				PageSize: setting.UI.RepoSearchPagingNum,
+				PageSize: setting.Config().UI.RepoSearchPagingNum.Value(ctx),
 			},
 		})
 		if err != nil {
@@ -129,7 +129,7 @@ func Code(ctx *context.Context) {
 	ctx.Data["SearchResults"] = searchResults
 	ctx.Data["SearchResultLanguages"] = searchResultLanguages
 
-	pager := context.NewPagination(total, setting.UI.RepoSearchPagingNum, page, 5)
+	pager := context.NewPagination(total, setting.Config().UI.RepoSearchPagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
diff --git a/routers/web/explore/org.go b/routers/web/explore/org.go
index 7bb71acfd78e0..5fc2f9e400470 100644
--- a/routers/web/explore/org.go
+++ b/routers/web/explore/org.go
@@ -40,14 +40,14 @@ func Organizations(ctx *context.Context) {
 	)
 	sortOrder := ctx.FormString("sort")
 	if sortOrder == "" {
-		sortOrder = util.Iif(supportedSortOrders.Contains(setting.UI.ExploreDefaultSort), setting.UI.ExploreDefaultSort, "newest")
+		sortOrder = util.Iif(supportedSortOrders.Contains(setting.Config().UI.ExploreDefaultSort.Value(ctx)), setting.Config().UI.ExploreDefaultSort.Value(ctx), "newest")
 		ctx.SetFormString("sort", sortOrder)
 	}
 
 	RenderUserSearch(ctx, &user_model.SearchUserOptions{
 		Actor:       ctx.Doer,
 		Type:        user_model.UserTypeOrganization,
-		ListOptions: db.ListOptions{PageSize: setting.UI.ExplorePagingNum},
+		ListOptions: db.ListOptions{PageSize: setting.Config().UI.ExplorePagingNum.Value(ctx)},
 		Visible:     visibleTypes,
 
 		SupportedSortOrders: supportedSortOrders,
diff --git a/routers/web/explore/repo.go b/routers/web/explore/repo.go
index cf3128314bdee..9b85abf19006d 100644
--- a/routers/web/explore/repo.go
+++ b/routers/web/explore/repo.go
@@ -46,7 +46,7 @@ func RenderRepoSearch(ctx *context.Context, opts *RepoSearchOptions) {
 	}
 
 	if isSitemap {
-		opts.PageSize = setting.UI.SitemapPagingNum
+		opts.PageSize = setting.Config().UI.SitemapPagingNum.Value(ctx)
 	}
 
 	var (
@@ -58,7 +58,7 @@ func RenderRepoSearch(ctx *context.Context, opts *RepoSearchOptions) {
 
 	sortOrder := ctx.FormString("sort")
 	if sortOrder == "" {
-		sortOrder = setting.UI.ExploreDefaultSort
+		sortOrder = setting.Config().UI.ExploreDefaultSort.Value(ctx)
 	}
 
 	if order, ok := repo_model.OrderByFlatMap[sortOrder]; ok {
@@ -108,7 +108,7 @@ func RenderRepoSearch(ctx *context.Context, opts *RepoSearchOptions) {
 		AllLimited:         true,
 		TopicOnly:          topicOnly,
 		Language:           language,
-		IncludeDescription: setting.UI.SearchRepoDescription,
+		IncludeDescription: setting.Config().UI.SearchRepoDescription.Value(ctx),
 		OnlyShowRelevant:   opts.OnlyShowRelevant,
 		Archived:           archived,
 		Fork:               fork,
@@ -159,7 +159,7 @@ func Repos(ctx *context.Context) {
 		ownerID = ctx.Doer.ID
 	}
 
-	onlyShowRelevant := setting.UI.OnlyShowRelevantRepos
+	onlyShowRelevant := setting.Config().UI.OnlyShowRelevantRepos.Value(ctx)
 
 	_ = ctx.Req.ParseForm() // parse the form first, to prepare the ctx.Req.Form field
 	if len(ctx.Req.Form[relevantReposOnlyParam]) != 0 {
@@ -167,7 +167,7 @@ func Repos(ctx *context.Context) {
 	}
 
 	RenderRepoSearch(ctx, &RepoSearchOptions{
-		PageSize:         setting.UI.ExplorePagingNum,
+		PageSize:         setting.Config().UI.ExplorePagingNum.Value(ctx),
 		OwnerID:          ownerID,
 		Private:          ctx.Doer != nil,
 		TplName:          tplExploreRepos,
diff --git a/routers/web/explore/user.go b/routers/web/explore/user.go
index e1e1ec1cfdbc4..8222521c5dd70 100644
--- a/routers/web/explore/user.go
+++ b/routers/web/explore/user.go
@@ -44,7 +44,7 @@ func RenderUserSearch(ctx *context.Context, opts *user_model.SearchUserOptions,
 	}
 
 	if isSitemap {
-		opts.PageSize = setting.UI.SitemapPagingNum
+		opts.PageSize = setting.Config().UI.SitemapPagingNum.Value(ctx)
 	}
 
 	var (
@@ -58,7 +58,7 @@ func RenderUserSearch(ctx *context.Context, opts *user_model.SearchUserOptions,
 
 	sortOrder := ctx.FormString("sort")
 	if sortOrder == "" {
-		sortOrder = setting.UI.ExploreDefaultSort
+		sortOrder = setting.Config().UI.ExploreDefaultSort.Value(ctx)
 	}
 	ctx.Data["SortType"] = sortOrder
 
@@ -116,7 +116,7 @@ func RenderUserSearch(ctx *context.Context, opts *user_model.SearchUserOptions,
 	ctx.Data["Total"] = count
 	ctx.Data["Users"] = users
 	ctx.Data["UsersTwoFaStatus"] = user_model.UserList(users).GetTwoFaStatus(ctx)
-	ctx.Data["ShowUserEmail"] = setting.UI.ShowUserEmail
+	ctx.Data["ShowUserEmail"] = setting.Config().UI.ShowUserEmail.Value(ctx)
 	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
 
 	pager := context.NewPagination(int(count), opts.PageSize, opts.Page, 5)
@@ -147,14 +147,14 @@ func Users(ctx *context.Context) {
 	)
 	sortOrder := ctx.FormString("sort")
 	if sortOrder == "" {
-		sortOrder = util.Iif(supportedSortOrders.Contains(setting.UI.ExploreDefaultSort), setting.UI.ExploreDefaultSort, "newest")
+		sortOrder = util.Iif(supportedSortOrders.Contains(setting.Config().UI.ExploreDefaultSort.Value(ctx)), setting.Config().UI.ExploreDefaultSort.Value(ctx), "newest")
 		ctx.SetFormString("sort", sortOrder)
 	}
 
 	RenderUserSearch(ctx, &user_model.SearchUserOptions{
 		Actor:       ctx.Doer,
 		Type:        user_model.UserTypeIndividual,
-		ListOptions: db.ListOptions{PageSize: setting.UI.ExplorePagingNum},
+		ListOptions: db.ListOptions{PageSize: setting.Config().UI.ExplorePagingNum.Value(ctx)},
 		IsActive:    optional.Some(true),
 		Visible:     []structs.VisibleType{structs.VisibleTypePublic, structs.VisibleTypeLimited, structs.VisibleTypePrivate},
 
diff --git a/routers/web/home.go b/routers/web/home.go
index 208cc36dfb833..3f6a1584da06a 100644
--- a/routers/web/home.go
+++ b/routers/web/home.go
@@ -80,7 +80,7 @@ func HomeSitemap(ctx *context.Context) {
 		}
 		count := int(cnt)
 		idx := 1
-		for i := 0; i < count; i += setting.UI.SitemapPagingNum {
+		for i := 0; i < count; i += setting.Config().UI.SitemapPagingNum.Value(ctx) {
 			m.Add(sitemap.URL{URL: setting.AppURL + "explore/users/sitemap-" + strconv.Itoa(idx) + ".xml"})
 			idx++
 		}
@@ -99,7 +99,7 @@ func HomeSitemap(ctx *context.Context) {
 	}
 	count := int(cnt)
 	idx := 1
-	for i := 0; i < count; i += setting.UI.SitemapPagingNum {
+	for i := 0; i < count; i += setting.Config().UI.SitemapPagingNum.Value(ctx) {
 		m.Add(sitemap.URL{URL: setting.AppURL + "explore/repos/sitemap-" + strconv.Itoa(idx) + ".xml"})
 		idx++
 	}
diff --git a/routers/web/org/home.go b/routers/web/org/home.go
index e3c2dcf0bdd24..7d44b7a48dad8 100644
--- a/routers/web/org/home.go
+++ b/routers/web/org/home.go
@@ -55,7 +55,7 @@ func home(ctx *context.Context, viewRepositories bool) {
 	var orderBy db.SearchOrderBy
 	sortOrder := ctx.FormString("sort")
 	if _, ok := repo_model.OrderByFlatMap[sortOrder]; !ok {
-		sortOrder = setting.UI.ExploreDefaultSort // TODO: add new default sort order for org home?
+		sortOrder = setting.Config().UI.ExploreDefaultSort.Value(ctx) // TODO: add new default sort order for org home?
 	}
 	ctx.Data["SortType"] = sortOrder
 	orderBy = repo_model.OrderByFlatMap[sortOrder]
@@ -132,7 +132,7 @@ func home(ctx *context.Context, viewRepositories bool) {
 		Private:            ctx.IsSigned,
 		Actor:              ctx.Doer,
 		Language:           language,
-		IncludeDescription: setting.UI.SearchRepoDescription,
+		IncludeDescription: setting.Config().UI.SearchRepoDescription.Value(ctx),
 		Archived:           archived,
 		Fork:               fork,
 		Mirror:             mirror,
diff --git a/routers/web/org/members.go b/routers/web/org/members.go
index 7d88d6b1adee8..83ed22fa97261 100644
--- a/routers/web/org/members.go
+++ b/routers/web/org/members.go
@@ -60,9 +60,9 @@ func Members(ctx *context.Context) {
 		return
 	}
 
-	pager := context.NewPagination(int(total), setting.UI.MembersPagingNum, page, 5)
+	pager := context.NewPagination(int(total), setting.Config().UI.MembersPagingNum.Value(ctx), page, 5)
 	opts.ListOptions.Page = page
-	opts.ListOptions.PageSize = setting.UI.MembersPagingNum
+	opts.ListOptions.PageSize = setting.Config().UI.MembersPagingNum.Value(ctx)
 	members, membersIsPublic, err := organization.FindOrgMembers(ctx, opts)
 	if err != nil {
 		ctx.ServerError("GetMembers", err)
diff --git a/routers/web/org/projects.go b/routers/web/org/projects.go
index 985fd2ca45d4d..2906ed6c1c8cd 100644
--- a/routers/web/org/projects.go
+++ b/routers/web/org/projects.go
@@ -64,7 +64,7 @@ func Projects(ctx *context.Context) {
 	projects, total, err := db.FindAndCount[project_model.Project](ctx, project_model.SearchOptions{
 		ListOptions: db.ListOptions{
 			Page:     page,
-			PageSize: setting.UI.IssuePagingNum,
+			PageSize: setting.Config().UI.IssuePagingNum.Value(ctx),
 		},
 		OwnerID:  ctx.ContextUser.ID,
 		IsClosed: optional.Some(isShowClosed),
@@ -121,10 +121,10 @@ func Projects(ctx *context.Context) {
 
 	numPages := 0
 	if total > 0 {
-		numPages = (int(total) - 1/setting.UI.IssuePagingNum)
+		numPages = (int(total) - 1/setting.Config().UI.IssuePagingNum.Value(ctx))
 	}
 
-	pager := context.NewPagination(int(total), setting.UI.IssuePagingNum, page, numPages)
+	pager := context.NewPagination(int(total), setting.Config().UI.IssuePagingNum.Value(ctx), page, numPages)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
diff --git a/routers/web/repo/issue_list.go b/routers/web/repo/issue_list.go
index a65ae77795584..28a3a42fef211 100644
--- a/routers/web/repo/issue_list.go
+++ b/routers/web/repo/issue_list.go
@@ -177,7 +177,7 @@ func SearchIssues(ctx *context.Context) {
 	// so the default limit is set to fit UI needs
 	limit := ctx.FormInt("limit")
 	if limit == 0 {
-		limit = setting.UI.IssuePagingNum
+		limit = setting.Config().UI.IssuePagingNum.Value(ctx)
 	} else if limit > setting.API.MaxResponseItems {
 		limit = setting.API.MaxResponseItems
 	}
@@ -603,14 +603,14 @@ func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption opt
 	default:
 		total = int(issueStats.OpenCount)
 	}
-	pager := context.NewPagination(total, setting.UI.IssuePagingNum, page, 5)
+	pager := context.NewPagination(total, setting.Config().UI.IssuePagingNum.Value(ctx), page, 5)
 
 	var issues issues_model.IssueList
 	{
 		ids, err := issueIDsFromSearch(ctx, keyword, &issues_model.IssuesOptions{
 			Paginator: &db.ListOptions{
 				Page:     pager.Paginater.Current(),
-				PageSize: setting.UI.IssuePagingNum,
+				PageSize: setting.Config().UI.IssuePagingNum.Value(ctx),
 			},
 			RepoIDs:           []int64{repo.ID},
 			AssigneeID:        optional.Some(assigneeID),
diff --git a/routers/web/repo/milestone.go b/routers/web/repo/milestone.go
index f1d0a857eaa70..4f3a5f925549b 100644
--- a/routers/web/repo/milestone.go
+++ b/routers/web/repo/milestone.go
@@ -46,7 +46,7 @@ func Milestones(ctx *context.Context) {
 	miles, total, err := db.FindAndCount[issues_model.Milestone](ctx, issues_model.FindMilestoneOptions{
 		ListOptions: db.ListOptions{
 			Page:     page,
-			PageSize: setting.UI.IssuePagingNum,
+			PageSize: setting.Config().UI.IssuePagingNum.Value(ctx),
 		},
 		RepoID:   ctx.Repo.Repository.ID,
 		IsClosed: optional.Some(isShowClosed),
@@ -91,7 +91,7 @@ func Milestones(ctx *context.Context) {
 	ctx.Data["Keyword"] = keyword
 	ctx.Data["IsShowClosed"] = isShowClosed
 
-	pager := context.NewPagination(int(total), setting.UI.IssuePagingNum, page, 5)
+	pager := context.NewPagination(int(total), setting.Config().UI.IssuePagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
diff --git a/routers/web/repo/packages.go b/routers/web/repo/packages.go
index 65a340a799700..208e8c7285cd2 100644
--- a/routers/web/repo/packages.go
+++ b/routers/web/repo/packages.go
@@ -30,7 +30,7 @@ func Packages(ctx *context.Context) {
 
 	pvs, total, err := packages.SearchLatestVersions(ctx, &packages.PackageSearchOptions{
 		Paginator: &db.ListOptions{
-			PageSize: setting.UI.PackagesPagingNum,
+			PageSize: setting.Config().UI.PackagesPagingNum.Value(ctx),
 			Page:     page,
 		},
 		OwnerID:    ctx.ContextUser.ID,
@@ -67,7 +67,7 @@ func Packages(ctx *context.Context) {
 	ctx.Data["Total"] = total
 	ctx.Data["RepositoryAccessMap"] = map[int64]bool{ctx.Repo.Repository.ID: true} // There is only the current repository
 
-	pager := context.NewPagination(int(total), setting.UI.PackagesPagingNum, page, 5)
+	pager := context.NewPagination(int(total), setting.Config().UI.PackagesPagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
diff --git a/routers/web/repo/projects.go b/routers/web/repo/projects.go
index 5b81a5e4d1b6e..ed4fcda924577 100644
--- a/routers/web/repo/projects.go
+++ b/routers/web/repo/projects.go
@@ -78,7 +78,7 @@ func Projects(ctx *context.Context) {
 
 	projects, count, err := db.FindAndCount[project_model.Project](ctx, project_model.SearchOptions{
 		ListOptions: db.ListOptions{
-			PageSize: setting.UI.IssuePagingNum,
+			PageSize: setting.Config().UI.IssuePagingNum.Value(ctx),
 			Page:     page,
 		},
 		RepoID:   repo.ID,
@@ -116,10 +116,10 @@ func Projects(ctx *context.Context) {
 
 	numPages := 0
 	if count > 0 {
-		numPages = (int(count) - 1/setting.UI.IssuePagingNum)
+		numPages = (int(count) - 1/setting.Config().UI.IssuePagingNum.Value(ctx))
 	}
 
-	pager := context.NewPagination(total, setting.UI.IssuePagingNum, page, numPages)
+	pager := context.NewPagination(total, setting.Config().UI.IssuePagingNum.Value(ctx), page, numPages)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
diff --git a/routers/web/repo/search.go b/routers/web/repo/search.go
index 12216fc620109..c706915f9eca1 100644
--- a/routers/web/repo/search.go
+++ b/routers/web/repo/search.go
@@ -44,7 +44,7 @@ func Search(ctx *context.Context) {
 			Language:   prepareSearch.Language,
 			Paginator: &db.ListOptions{
 				Page:     page,
-				PageSize: setting.UI.RepoSearchPagingNum,
+				PageSize: setting.Config().UI.RepoSearchPagingNum.Value(ctx),
 			},
 		})
 		if err != nil {
@@ -71,7 +71,7 @@ func Search(ctx *context.Context) {
 	ctx.Data["SearchResults"] = searchResults
 	ctx.Data["SearchResultLanguages"] = searchResultLanguages
 
-	pager := context.NewPagination(total, setting.UI.RepoSearchPagingNum, page, 5)
+	pager := context.NewPagination(total, setting.Config().UI.RepoSearchPagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
diff --git a/routers/web/repo/setting/lfs.go b/routers/web/repo/setting/lfs.go
index 655291d25c3a4..0c4582eb15e81 100644
--- a/routers/web/repo/setting/lfs.go
+++ b/routers/web/repo/setting/lfs.go
@@ -55,10 +55,10 @@ func LFSFiles(ctx *context.Context) {
 	}
 	ctx.Data["Total"] = total
 
-	pager := context.NewPagination(int(total), setting.UI.ExplorePagingNum, page, 5)
+	pager := context.NewPagination(int(total), setting.Config().UI.ExplorePagingNum.Value(ctx), page, 5)
 	ctx.Data["Title"] = ctx.Tr("repo.settings.lfs")
 	ctx.Data["PageIsSettingsLFS"] = true
-	lfsMetaObjects, err := git_model.GetLFSMetaObjects(ctx, ctx.Repo.Repository.ID, pager.Paginater.Current(), setting.UI.ExplorePagingNum)
+	lfsMetaObjects, err := git_model.GetLFSMetaObjects(ctx, ctx.Repo.Repository.ID, pager.Paginater.Current(), setting.Config().UI.ExplorePagingNum.Value(ctx))
 	if err != nil {
 		ctx.ServerError("LFSFiles", err)
 		return
@@ -87,10 +87,10 @@ func LFSLocks(ctx *context.Context) {
 	}
 	ctx.Data["Total"] = total
 
-	pager := context.NewPagination(int(total), setting.UI.ExplorePagingNum, page, 5)
+	pager := context.NewPagination(int(total), setting.Config().UI.ExplorePagingNum.Value(ctx), page, 5)
 	ctx.Data["Title"] = ctx.Tr("repo.settings.lfs_locks")
 	ctx.Data["PageIsSettingsLFS"] = true
-	lfsLocks, err := git_model.GetLFSLockByRepoID(ctx, ctx.Repo.Repository.ID, pager.Paginater.Current(), setting.UI.ExplorePagingNum)
+	lfsLocks, err := git_model.GetLFSLockByRepoID(ctx, ctx.Repo.Repository.ID, pager.Paginater.Current(), setting.Config().UI.ExplorePagingNum.Value(ctx))
 	if err != nil {
 		ctx.ServerError("LFSLocks", err)
 		return
diff --git a/routers/web/shared/user/header.go b/routers/web/shared/user/header.go
index 62b146c7f3200..8363dd49f7c72 100644
--- a/routers/web/shared/user/header.go
+++ b/routers/web/shared/user/header.go
@@ -38,7 +38,7 @@ func PrepareContextForProfileBigAvatar(ctx *context.Context) {
 	prepareContextForCommonProfile(ctx)
 
 	ctx.Data["IsFollowing"] = ctx.Doer != nil && user_model.IsFollowing(ctx, ctx.Doer.ID, ctx.ContextUser.ID)
-	ctx.Data["ShowUserEmail"] = setting.UI.ShowUserEmail && ctx.ContextUser.Email != "" && ctx.IsSigned && !ctx.ContextUser.KeepEmailPrivate
+	ctx.Data["ShowUserEmail"] = setting.Config().UI.ShowUserEmail.Value(ctx) && ctx.ContextUser.Email != "" && ctx.IsSigned && !ctx.ContextUser.KeepEmailPrivate
 	if setting.Service.UserLocationMapURL != "" {
 		ctx.Data["ContextUserLocationMapURL"] = setting.Service.UserLocationMapURL + url.QueryEscape(ctx.ContextUser.Location)
 	}
@@ -153,7 +153,7 @@ func LoadHeaderCount(ctx *context.Context) error {
 		OwnerID:            ctx.ContextUser.ID,
 		Private:            ctx.IsSigned,
 		Collaborate:        optional.Some(false),
-		IncludeDescription: setting.UI.SearchRepoDescription,
+		IncludeDescription: setting.Config().UI.SearchRepoDescription.Value(ctx),
 	})
 	if err != nil {
 		return err
diff --git a/routers/web/user/code.go b/routers/web/user/code.go
index f9aa58b877600..8957404db2239 100644
--- a/routers/web/user/code.go
+++ b/routers/web/user/code.go
@@ -74,7 +74,7 @@ func CodeSearch(ctx *context.Context) {
 			Language:   prepareSearch.Language,
 			Paginator: &db.ListOptions{
 				Page:     page,
-				PageSize: setting.UI.RepoSearchPagingNum,
+				PageSize: setting.Config().UI.RepoSearchPagingNum.Value(ctx),
 			},
 		})
 		if err != nil {
@@ -112,7 +112,7 @@ func CodeSearch(ctx *context.Context) {
 	ctx.Data["SearchResults"] = searchResults
 	ctx.Data["SearchResultLanguages"] = searchResultLanguages
 
-	pager := context.NewPagination(total, setting.UI.RepoSearchPagingNum, page, 5)
+	pager := context.NewPagination(total, setting.Config().UI.RepoSearchPagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
diff --git a/routers/web/user/home.go b/routers/web/user/home.go
index 8e030a62a2f23..16171081483d5 100644
--- a/routers/web/user/home.go
+++ b/routers/web/user/home.go
@@ -129,7 +129,7 @@ func Dashboard(ctx *context.Context) {
 		Date:            ctx.FormString("date"),
 		ListOptions: db.ListOptions{
 			Page:     page,
-			PageSize: setting.UI.FeedPagingNum,
+			PageSize: setting.Config().UI.FeedPagingNum.Value(ctx),
 		},
 	})
 	if err != nil {
@@ -139,7 +139,7 @@ func Dashboard(ctx *context.Context) {
 
 	ctx.Data["Feeds"] = feeds
 
-	pager := context.NewPagination(int(count), setting.UI.FeedPagingNum, page, 5)
+	pager := context.NewPagination(int(count), setting.Config().UI.FeedPagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
@@ -231,7 +231,7 @@ func Milestones(ctx *context.Context) {
 	milestones, err := db.Find[issues_model.Milestone](ctx, issues_model.FindMilestoneOptions{
 		ListOptions: db.ListOptions{
 			Page:     page,
-			PageSize: setting.UI.IssuePagingNum,
+			PageSize: setting.Config().UI.IssuePagingNum.Value(ctx),
 		},
 		RepoCond: repoCond,
 		IsClosed: optional.Some(isShowClosed),
@@ -330,7 +330,7 @@ func Milestones(ctx *context.Context) {
 	ctx.Data["RepoIDs"] = repoIDs
 	ctx.Data["IsShowClosed"] = isShowClosed
 
-	pager := context.NewPagination(pagerCount, setting.UI.IssuePagingNum, page, 5)
+	pager := context.NewPagination(pagerCount, setting.Config().UI.IssuePagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
@@ -527,7 +527,7 @@ func buildIssueOverview(ctx *context.Context, unitType unit.Type) {
 	}
 	opts.Paginator = &db.ListOptions{
 		Page:     page,
-		PageSize: setting.UI.IssuePagingNum,
+		PageSize: setting.Config().UI.IssuePagingNum.Value(ctx),
 	}
 
 	// Get IDs for labels (a filter option for issues/pulls).
@@ -645,7 +645,7 @@ func buildIssueOverview(ctx *context.Context, unitType unit.Type) {
 		ctx.Data["State"] = "open"
 	}
 
-	pager := context.NewPagination(shownIssues, setting.UI.IssuePagingNum, page, 5)
+	pager := context.NewPagination(shownIssues, setting.Config().UI.IssuePagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
diff --git a/routers/web/user/home_test.go b/routers/web/user/home_test.go
index b2c8ad98ba2e4..c050e2f63e685 100644
--- a/routers/web/user/home_test.go
+++ b/routers/web/user/home_test.go
@@ -11,6 +11,7 @@ import (
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unittest"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/setting/config"
 	"code.gitea.io/gitea/modules/templates"
 	"code.gitea.io/gitea/services/context"
 	"code.gitea.io/gitea/services/contexttest"
@@ -20,7 +21,8 @@ import (
 
 func TestArchivedIssues(t *testing.T) {
 	// Arrange
-	setting.UI.IssuePagingNum = 1
+	issuePagingNumValue := config.Value[int]{}
+	setting.Config().UI.IssuePagingNum = issuePagingNumValue.WithDefault(1)
 	assert.NoError(t, unittest.LoadFixtures())
 
 	ctx, _ := contexttest.MockContext(t, "issues")
@@ -51,7 +53,8 @@ func TestArchivedIssues(t *testing.T) {
 }
 
 func TestIssues(t *testing.T) {
-	setting.UI.IssuePagingNum = 1
+	issuePagingNumValue := config.Value[int]{}
+	setting.Config().UI.IssuePagingNum = issuePagingNumValue.WithDefault(1)
 	assert.NoError(t, unittest.LoadFixtures())
 
 	ctx, _ := contexttest.MockContext(t, "issues")
@@ -65,7 +68,8 @@ func TestIssues(t *testing.T) {
 }
 
 func TestPulls(t *testing.T) {
-	setting.UI.IssuePagingNum = 20
+	issuePagingNumValue := config.Value[int]{}
+	setting.Config().UI.IssuePagingNum = issuePagingNumValue.WithDefault(20)
 	assert.NoError(t, unittest.LoadFixtures())
 
 	ctx, _ := contexttest.MockContext(t, "pulls")
@@ -78,7 +82,8 @@ func TestPulls(t *testing.T) {
 }
 
 func TestMilestones(t *testing.T) {
-	setting.UI.IssuePagingNum = 1
+	issuePagingNumValue := config.Value[int]{}
+	setting.Config().UI.IssuePagingNum = issuePagingNumValue.WithDefault(1)
 	assert.NoError(t, unittest.LoadFixtures())
 
 	ctx, _ := contexttest.MockContext(t, "milestones")
@@ -97,7 +102,8 @@ func TestMilestones(t *testing.T) {
 }
 
 func TestMilestonesForSpecificRepo(t *testing.T) {
-	setting.UI.IssuePagingNum = 1
+	issuePagingNumValue := config.Value[int]{}
+	setting.Config().UI.IssuePagingNum = issuePagingNumValue.WithDefault(1)
 	assert.NoError(t, unittest.LoadFixtures())
 
 	ctx, _ := contexttest.MockContext(t, "milestones")
diff --git a/routers/web/user/notification.go b/routers/web/user/notification.go
index 1c91ff6364324..1af5cd24bb7f8 100644
--- a/routers/web/user/notification.go
+++ b/routers/web/user/notification.go
@@ -287,7 +287,7 @@ func NotificationSubscriptions(ctx *context.Context) {
 	}
 	issues, err := issues_model.Issues(ctx, &issues_model.IssuesOptions{
 		Paginator: &db.ListOptions{
-			PageSize: setting.UI.IssuePagingNum,
+			PageSize: setting.Config().UI.IssuePagingNum.Value(ctx),
 			Page:     page,
 		},
 		SubscriberID: ctx.Doer.ID,
@@ -352,7 +352,7 @@ func NotificationSubscriptions(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("notification.subscriptions")
 
 	// redirect to last page if request page is more than total pages
-	pager := context.NewPagination(int(count), setting.UI.IssuePagingNum, page, 5)
+	pager := context.NewPagination(int(count), setting.Config().UI.IssuePagingNum.Value(ctx), page, 5)
 	if pager.Paginater.Current() < page {
 		ctx.Redirect(fmt.Sprintf("/notifications/subscriptions?page=%d", pager.Paginater.Current()))
 		return
@@ -428,7 +428,7 @@ func NotificationWatching(ctx *context.Context) {
 		WatchedByID:        ctx.Doer.ID,
 		Collaborate:        optional.Some(false),
 		TopicOnly:          ctx.FormBool("topic"),
-		IncludeDescription: setting.UI.SearchRepoDescription,
+		IncludeDescription: setting.Config().UI.SearchRepoDescription.Value(ctx),
 		Archived:           archived,
 		Fork:               fork,
 		Mirror:             mirror,
diff --git a/routers/web/user/package.go b/routers/web/user/package.go
index c01bc96e2bfe6..fc2bdd37c3e08 100644
--- a/routers/web/user/package.go
+++ b/routers/web/user/package.go
@@ -52,7 +52,7 @@ func ListPackages(ctx *context.Context) {
 
 	pvs, total, err := packages_model.SearchLatestVersions(ctx, &packages_model.PackageSearchOptions{
 		Paginator: &db.ListOptions{
-			PageSize: setting.UI.PackagesPagingNum,
+			PageSize: setting.Config().UI.PackagesPagingNum.Value(ctx),
 			Page:     page,
 		},
 		OwnerID:    ctx.ContextUser.ID,
@@ -127,7 +127,7 @@ func ListPackages(ctx *context.Context) {
 		}
 	}
 
-	pager := context.NewPagination(int(total), setting.UI.PackagesPagingNum, page, 5)
+	pager := context.NewPagination(int(total), setting.Config().UI.PackagesPagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
@@ -329,7 +329,7 @@ func ListPackageVersions(ctx *context.Context) {
 		page = 1
 	}
 	pagination := &db.ListOptions{
-		PageSize: setting.UI.PackagesPagingNum,
+		PageSize: setting.Config().UI.PackagesPagingNum.Value(ctx),
 		Page:     page,
 	}
 
@@ -399,7 +399,7 @@ func ListPackageVersions(ctx *context.Context) {
 		return
 	}
 
-	pager := context.NewPagination(int(total), setting.UI.PackagesPagingNum, page, 5)
+	pager := context.NewPagination(int(total), setting.Config().UI.PackagesPagingNum.Value(ctx), page, 5)
 	pager.AddParamFromRequest(ctx.Req)
 	ctx.Data["Page"] = pager
 
diff --git a/routers/web/user/profile.go b/routers/web/user/profile.go
index 39f066a53c904..2516ecdab2302 100644
--- a/routers/web/user/profile.go
+++ b/routers/web/user/profile.go
@@ -113,7 +113,7 @@ func prepareUserProfileTabData(ctx *context.Context, showPrivate bool, profileDb
 
 	sortOrder := ctx.FormString("sort")
 	if _, ok := repo_model.OrderByFlatMap[sortOrder]; !ok {
-		sortOrder = setting.UI.ExploreDefaultSort // TODO: add new default sort order for user home?
+		sortOrder = setting.Config().UI.ExploreDefaultSort.Value(ctx) // TODO: add new default sort order for user home?
 	}
 	ctx.Data["SortType"] = sortOrder
 	orderBy = repo_model.OrderByFlatMap[sortOrder]
@@ -167,7 +167,7 @@ func prepareUserProfileTabData(ctx *context.Context, showPrivate bool, profileDb
 		total = int(numFollowing)
 	case "activity":
 		date := ctx.FormString("date")
-		pagingNum = setting.UI.FeedPagingNum
+		pagingNum = setting.Config().UI.FeedPagingNum.Value(ctx)
 		items, count, err := feed_service.GetFeeds(ctx, activities_model.GetFeedsOptions{
 			RequestedUser:   ctx.ContextUser,
 			Actor:           ctx.Doer,
@@ -203,7 +203,7 @@ func prepareUserProfileTabData(ctx *context.Context, showPrivate bool, profileDb
 			Collaborate:        optional.Some(false),
 			TopicOnly:          topicOnly,
 			Language:           language,
-			IncludeDescription: setting.UI.SearchRepoDescription,
+			IncludeDescription: setting.Config().UI.SearchRepoDescription.Value(ctx),
 			Archived:           archived,
 			Fork:               fork,
 			Mirror:             mirror,
@@ -230,7 +230,7 @@ func prepareUserProfileTabData(ctx *context.Context, showPrivate bool, profileDb
 			Collaborate:        optional.Some(false),
 			TopicOnly:          topicOnly,
 			Language:           language,
-			IncludeDescription: setting.UI.SearchRepoDescription,
+			IncludeDescription: setting.Config().UI.SearchRepoDescription.Value(ctx),
 			Archived:           archived,
 			Fork:               fork,
 			Mirror:             mirror,
@@ -285,7 +285,7 @@ func prepareUserProfileTabData(ctx *context.Context, showPrivate bool, profileDb
 			Collaborate:        optional.Some(false),
 			TopicOnly:          topicOnly,
 			Language:           language,
-			IncludeDescription: setting.UI.SearchRepoDescription,
+			IncludeDescription: setting.Config().UI.SearchRepoDescription.Value(ctx),
 			Archived:           archived,
 			Fork:               fork,
 			Mirror:             mirror,
diff --git a/routers/web/user/search.go b/routers/web/user/search.go
index be5eee90a971a..7768be6ee6acf 100644
--- a/routers/web/user/search.go
+++ b/routers/web/user/search.go
@@ -21,7 +21,7 @@ func SearchCandidates(ctx *context.Context) {
 		Keyword:     ctx.FormTrim("q"),
 		Type:        user_model.UserTypeIndividual,
 		IsActive:    optional.Some(true),
-		ListOptions: db.ListOptions{PageSize: setting.UI.MembersPagingNum},
+		ListOptions: db.ListOptions{PageSize: setting.Config().UI.MembersPagingNum.Value(ctx)},
 	})
 	if err != nil {
 		ctx.ServerError("Unable to search users", err)
diff --git a/routers/web/web.go b/routers/web/web.go
index f4bd3ef4bce99..94105e201d1aa 100644
--- a/routers/web/web.go
+++ b/routers/web/web.go
@@ -721,6 +721,7 @@ func registerRoutes(m *web.Router) {
 		m.Group("/config", func() {
 			m.Get("", admin.Config)
 			m.Post("", admin.ChangeConfig)
+			m.Post("/ui", web.Bind(forms.UIForm{}), admin.ChangeUIConfig)
 			m.Post("/test_mail", admin.SendTestMail)
 			m.Post("/test_cache", admin.TestCache)
 			m.Get("/settings", admin.ConfigSettings)
diff --git a/services/forms/admin_config_form.go b/services/forms/admin_config_form.go
new file mode 100644
index 0000000000000..d3797d05c21cf
--- /dev/null
+++ b/services/forms/admin_config_form.go
@@ -0,0 +1,35 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package forms
+
+import (
+	"net/http"
+
+	"code.gitea.io/gitea/modules/web/middleware"
+	"code.gitea.io/gitea/services/context"
+
+	"gitea.com/go-chi/binding"
+)
+
+type UIForm struct {
+	ExplorePagingNum         int
+	SitemapPagingNum         int
+	IssuePagingNum           int
+	RepoSearchPagingNum      int
+	MembersPagingNum         int
+	FeedMaxCommitNum         int
+	FeedPagingNum            int
+	PackagesPagingNum        int
+	CodeCommentLines         int
+	ShowUserEmail            bool
+	SearchRepoDescription    bool
+	OnlyShowRelevantRepos    bool
+	ExplorePagingDefaultSort string `binding:"In(recentupdate,alphabetically,reverselastlogin,newest,oldest)"`
+}
+
+// Validate validates fields
+func (f *UIForm) Validate(req *http.Request, errs binding.Errors) binding.Errors {
+	ctx := context.GetValidateContext(req)
+	return middleware.Validate(errs, ctx.Data, f, ctx.Locale)
+}
diff --git a/services/migrations/gitea_uploader.go b/services/migrations/gitea_uploader.go
index b17cc3ce4160e..890748cf0eaec 100644
--- a/services/migrations/gitea_uploader.go
+++ b/services/migrations/gitea_uploader.go
@@ -911,7 +911,7 @@ func (g *GiteaLocalUploader) CreateReviews(ctx context.Context, reviews ...*base
 				_ = writer.Close()
 			}(comment)
 
-			patch, _ = git.CutDiffAroundLine(reader, int64((&issues_model.Comment{Line: int64(line + comment.Position - 1)}).UnsignedLine()), line < 0, setting.UI.CodeCommentLines)
+			patch, _ = git.CutDiffAroundLine(reader, int64((&issues_model.Comment{Line: int64(line + comment.Position - 1)}).UnsignedLine()), line < 0, setting.Config().UI.CodeCommentLines.Value(ctx))
 
 			if comment.CreatedAt.IsZero() {
 				comment.CreatedAt = review.CreatedAt
diff --git a/services/mirror/mirror_pull.go b/services/mirror/mirror_pull.go
index 658747e7c83f1..c8f3035fc6851 100644
--- a/services/mirror/mirror_pull.go
+++ b/services/mirror/mirror_pull.go
@@ -537,8 +537,8 @@ func SyncPullMirror(ctx context.Context, repoID int64) bool {
 		}
 
 		theCommits := repo_module.GitToPushCommits(commits)
-		if len(theCommits.Commits) > setting.UI.FeedMaxCommitNum {
-			theCommits.Commits = theCommits.Commits[:setting.UI.FeedMaxCommitNum]
+		if len(theCommits.Commits) > setting.Config().UI.FeedMaxCommitNum.Value(ctx) {
+			theCommits.Commits = theCommits.Commits[:setting.Config().UI.FeedMaxCommitNum.Value(ctx)]
 		}
 
 		newCommit, err := gitRepo.GetCommit(newCommitID)
diff --git a/services/pull/review.go b/services/pull/review.go
index 78723a58ae305..0281ae3709130 100644
--- a/services/pull/review.go
+++ b/services/pull/review.go
@@ -264,7 +264,7 @@ func createCodeComment(ctx context.Context, doer *user_model.User, repo *repo_mo
 			_ = writer.Close()
 		}()
 
-		patch, err = git.CutDiffAroundLine(reader, int64((&issues_model.Comment{Line: line}).UnsignedLine()), line < 0, setting.UI.CodeCommentLines)
+		patch, err = git.CutDiffAroundLine(reader, int64((&issues_model.Comment{Line: line}).UnsignedLine()), line < 0, setting.Config().UI.CodeCommentLines.Value(ctx))
 		if err != nil {
 			log.Error("Error whilst generating patch: %v", err)
 			return nil, err
diff --git a/services/repository/push.go b/services/repository/push.go
index c40333f0a8b76..bd7163dda60eb 100644
--- a/services/repository/push.go
+++ b/services/repository/push.go
@@ -277,8 +277,8 @@ func pushUpdates(optsList []*repo_module.PushUpdateOptions) error {
 					commits.CompareURL = ""
 				}
 
-				if len(commits.Commits) > setting.UI.FeedMaxCommitNum {
-					commits.Commits = commits.Commits[:setting.UI.FeedMaxCommitNum]
+				if len(commits.Commits) > setting.Config().UI.FeedMaxCommitNum.Value(ctx) {
+					commits.Commits = commits.Commits[:setting.Config().UI.FeedMaxCommitNum.Value(ctx)]
 				}
 
 				notify_service.PushCommits(ctx, pusher, repo, opts, commits)
diff --git a/templates/admin/config_settings.tmpl b/templates/admin/config_settings.tmpl
index 6b9bb8275cca5..a15ac36804e96 100644
--- a/templates/admin/config_settings.tmpl
+++ b/templates/admin/config_settings.tmpl
@@ -1,4 +1,102 @@
 {{template "admin/layout_head" (dict "ctxData" . "pageClass" "admin config")}}
+<h4 class="ui top attached header">
+	{{ctx.Locale.Tr "admin.config.ui_config"}}
+</h4>
+<div class="ui attached table segment">
+	<form class="ui form" method="post" action="{{AppSubUrl}}/-/admin/config/ui">
+		{{.CsrfTokenHtml}}
+		<dl class="admin-dl-horizontal">
+			<dt>{{ctx.Locale.Tr "admin.config.ui.explore_paging_num"}}</dt>
+			<dd>
+				<div class="inline field">
+					<input name="explore_paging_num" type="number" min="0" value="{{.UI.ExplorePagingNum}}">
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.issue_paging_num"}}</dt>
+			<dd>
+				<div class="inline field">
+					<input name="issue_paging_num" type="number" min="0" value="{{.UI.IssuePagingNum}}">
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.feed_max_commit_numb"}}</dt>
+			<dd>
+				<div class="inline field">
+					<input name="feed_max_commit_num" type="number" min="0" value="{{.UI.FeedMaxCommitNum}}">
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.feed_paging_num"}}</dt>
+			<dd>
+				<div class="inline field">
+					<input name="feed_paging_num" type="number" min="0" value="{{.UI.FeedPagingNum}}">
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.packages_paging_num"}}</dt>
+			<dd>
+				<div class="inline field">
+					<input name="packages_paging_num" type="number" min="0" value="{{.UI.PackagesPagingNum}}">
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.repo_search_paging_num"}}</dt>
+			<dd>
+				<div class="inline field">
+					<input name="repo_search_paging_num" type="number" min="0" value="{{.UI.RepoSearchPagingNum}}">
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.members_paging_num"}}</dt>
+			<dd>
+				<div class="inline field">
+					<input name="members_paging_num" type="number" min="0" value="{{.UI.MembersPagingNum}}">
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.sitemap_paging_num"}}</dt>
+			<dd>
+				<div class="inline field">
+					<input name="sitemap_paging_num" type="number" min="0" value="{{.UI.SitemapPagingNum}}">
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.code_comment_lines"}}</dt>
+			<dd>
+				<div class="inline field">
+					<input name="code_comment_lines" type="number" min="0" value="{{.UI.CodeCommentLines}}">
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.explore_paging_default_sort"}}</dt>
+			<dd>
+				<div class="inline field">
+					<select name="explore_paging_default_sort" class="ui dropdown">
+						{{$explorePagingDefaultSort := .UI.ExplorePagingDefaultSort}}
+						{{range $value := .UI.ExplorePagingSortOption}}
+						<option value="{{$value}}" {{Iif (eq $explorePagingDefaultSort $value) "selected"}}>{{$value}}</option>
+						{{end}}
+					</select>
+				</div>
+			</dd>
+			<div class="divider"></div>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.show_user_email"}}</dt>
+			<dd>
+				<div class="ui toggle checkbox">
+					<input name="show_user_email" type="checkbox" {{if .UI.ShowUserEmail}}checked{{end}}><label></label>
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.search_repo_description"}}</dt>
+			<dd>
+				<div class="ui toggle checkbox">
+					<input name="search_repo_description" type="checkbox" {{if .UI.SearchRepoDescription}}checked{{end}}><label></label>
+				</div>
+			</dd>
+			<dt>{{ctx.Locale.Tr "admin.config.ui.only_show_relevant_repos"}}</dt>
+			<dd>
+				<div class="ui toggle checkbox">
+					<input name="only_show_relevant_repos" type="checkbox" {{if .UI.OnlyShowRelevantRepos}}checked{{end}}><label></label>
+				</div>
+			</dd>
+			<div class="divider"></div>
+			<dt><button class="ui primary button">{{ctx.Locale.Tr "save"}}</button></dt>
+			<dd></dd>
+		</dl>
+	</form>
+</div>
+
 <h4 class="ui top attached header">
 	{{ctx.Locale.Tr "admin.config.picture_config"}}
 </h4>
diff --git a/tests/integration/api_issue_test.go b/tests/integration/api_issue_test.go
index d8394a33d96f4..6928700e3b44f 100644
--- a/tests/integration/api_issue_test.go
+++ b/tests/integration/api_issue_test.go
@@ -268,8 +268,8 @@ func TestAPISearchIssues(t *testing.T) {
 
 	// as this API was used in the frontend, it uses UI page size
 	expectedIssueCount := 20 // from the fixtures
-	if expectedIssueCount > setting.UI.IssuePagingNum {
-		expectedIssueCount = setting.UI.IssuePagingNum
+	if expectedIssueCount > setting.Config().UI.IssuePagingNum.Value(t.Context()) {
+		expectedIssueCount = setting.Config().UI.IssuePagingNum.Value(t.Context())
 	}
 
 	link, _ := url.Parse("/api/v1/repos/issues/search")
@@ -372,8 +372,8 @@ func TestAPISearchIssuesWithLabels(t *testing.T) {
 
 	// as this API was used in the frontend, it uses UI page size
 	expectedIssueCount := 20 // from the fixtures
-	if expectedIssueCount > setting.UI.IssuePagingNum {
-		expectedIssueCount = setting.UI.IssuePagingNum
+	if expectedIssueCount > setting.Config().UI.IssuePagingNum.Value(t.Context()) {
+		expectedIssueCount = setting.Config().UI.IssuePagingNum.Value(t.Context())
 	}
 
 	link, _ := url.Parse("/api/v1/repos/issues/search")
diff --git a/tests/integration/issue_test.go b/tests/integration/issue_test.go
index dc0c9b135017d..eb539028ab723 100644
--- a/tests/integration/issue_test.go
+++ b/tests/integration/issue_test.go
@@ -81,8 +81,8 @@ func TestViewIssuesSortByType(t *testing.T) {
 		unittest.Cond("is_closed=?", false),
 		unittest.Cond("is_pull=?", false),
 	)
-	if expectedNumIssues > setting.UI.IssuePagingNum {
-		expectedNumIssues = setting.UI.IssuePagingNum
+	if expectedNumIssues > setting.Config().UI.IssuePagingNum.Value(t.Context()) {
+		expectedNumIssues = setting.Config().UI.IssuePagingNum.Value(t.Context())
 	}
 	assert.EqualValues(t, expectedNumIssues, issuesSelection.Length())
 
@@ -474,8 +474,8 @@ func TestSearchIssues(t *testing.T) {
 	session := loginUser(t, "user2")
 
 	expectedIssueCount := 20 // from the fixtures
-	if expectedIssueCount > setting.UI.IssuePagingNum {
-		expectedIssueCount = setting.UI.IssuePagingNum
+	if expectedIssueCount > setting.Config().UI.IssuePagingNum.Value(t.Context()) {
+		expectedIssueCount = setting.Config().UI.IssuePagingNum.Value(t.Context())
 	}
 
 	link, _ := url.Parse("/issues/search")
@@ -568,8 +568,8 @@ func TestSearchIssuesWithLabels(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()
 
 	expectedIssueCount := 20 // from the fixtures
-	if expectedIssueCount > setting.UI.IssuePagingNum {
-		expectedIssueCount = setting.UI.IssuePagingNum
+	if expectedIssueCount > setting.Config().UI.IssuePagingNum.Value(t.Context()) {
+		expectedIssueCount = setting.Config().UI.IssuePagingNum.Value(t.Context())
 	}
 
 	session := loginUser(t, "user1")
diff --git a/tests/integration/setting_test.go b/tests/integration/setting_test.go
index 9dad9ca716a06..449081ce56c61 100644
--- a/tests/integration/setting_test.go
+++ b/tests/integration/setting_test.go
@@ -8,6 +8,7 @@ import (
 	"testing"
 
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/setting/config"
 	"code.gitea.io/gitea/tests"
 
 	"github.com/stretchr/testify/assert"
@@ -16,8 +17,10 @@ import (
 func TestSettingShowUserEmailExplore(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()
 
-	showUserEmail := setting.UI.ShowUserEmail
-	setting.UI.ShowUserEmail = true
+	showUserEmail := setting.Config().UI.ShowUserEmail.Value(t.Context())
+	showUserEmailValue := config.Value[bool]{}
+	setting.Config().UI.ShowUserEmail = showUserEmailValue.WithDefault(true)
+	config.GetDynGetter().InvalidateCache()
 
 	session := loginUser(t, "user2")
 	req := NewRequest(t, "GET", "/explore/users?sort=alphabetically")
@@ -28,7 +31,9 @@ func TestSettingShowUserEmailExplore(t *testing.T) {
 		"user34@example.com",
 	)
 
-	setting.UI.ShowUserEmail = false
+	showUserEmailValue = config.Value[bool]{}
+	setting.Config().UI.ShowUserEmail = showUserEmailValue.WithDefault(false)
+	config.GetDynGetter().InvalidateCache()
 
 	req = NewRequest(t, "GET", "/explore/users?sort=alphabetically")
 	resp = session.MakeRequest(t, req, http.StatusOK)
@@ -38,17 +43,20 @@ func TestSettingShowUserEmailExplore(t *testing.T) {
 		"user34@example.com",
 	)
 
-	setting.UI.ShowUserEmail = showUserEmail
+	showUserEmailValue = config.Value[bool]{}
+	setting.Config().UI.ShowUserEmail = showUserEmailValue.WithDefault(showUserEmail)
+	config.GetDynGetter().InvalidateCache()
 }
 
 func TestSettingShowUserEmailProfile(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()
 
-	showUserEmail := setting.UI.ShowUserEmail
+	showUserEmail := setting.Config().UI.ShowUserEmail.Value(t.Context())
 
 	// user1: keep_email_private = false, user2: keep_email_private = true
-
-	setting.UI.ShowUserEmail = true
+	showUserEmailValue := config.Value[bool]{}
+	setting.Config().UI.ShowUserEmail = showUserEmailValue.WithDefault(true)
+	config.GetDynGetter().InvalidateCache()
 
 	// user1 can see own visible email
 	session := loginUser(t, "user1")
@@ -78,7 +86,9 @@ func TestSettingShowUserEmailProfile(t *testing.T) {
 	htmlDoc = NewHTMLParser(t, resp.Body)
 	assert.Contains(t, htmlDoc.doc.Find(".user.profile").Text(), "user2@example.com")
 
-	setting.UI.ShowUserEmail = false
+	showUserEmailValue = config.Value[bool]{}
+	setting.Config().UI.ShowUserEmail = showUserEmailValue.WithDefault(false)
+	config.GetDynGetter().InvalidateCache()
 
 	// user1 can see own (now hidden) email
 	session = loginUser(t, "user1")
@@ -87,7 +97,9 @@ func TestSettingShowUserEmailProfile(t *testing.T) {
 	htmlDoc = NewHTMLParser(t, resp.Body)
 	assert.Contains(t, htmlDoc.doc.Find(".user.profile").Text(), "user1@example.com")
 
-	setting.UI.ShowUserEmail = showUserEmail
+	showUserEmailValue = config.Value[bool]{}
+	setting.Config().UI.ShowUserEmail = showUserEmailValue.WithDefault(showUserEmail)
+	config.GetDynGetter().InvalidateCache()
 }
 
 func TestSettingLandingPage(t *testing.T) {
diff --git a/web_src/css/admin.css b/web_src/css/admin.css
index e6866b27a6881..eb5257989933f 100644
--- a/web_src/css/admin.css
+++ b/web_src/css/admin.css
@@ -29,6 +29,14 @@
   min-width: 100px;
 }
 
+.admin form dl.admin-dl-horizontal dt,
+.admin form dl.admin-dl-horizontal dd {
+  height: 38px;
+  line-height: 38px;
+  padding: 0;
+  margin-bottom: 5px;
+}
+
 .admin code,
 .admin pre {
   white-space: pre-wrap;