From 87b6a2940e3102e549ce813fa9a601179f0e07c0 Mon Sep 17 00:00:00 2001
From: "elastic-observability-automation[bot]"
 <180520183+elastic-observability-automation[bot]@users.noreply.github.com>
Date: Fri, 31 Jan 2025 12:18:39 +0000
Subject: [PATCH] 9.0: update docs, versions and changelogs (#15481)

* [Release] update version 9.1.0

* [Release] update changelogs for 9.0 release

---------

Co-authored-by: obltmachine <150269514+obltmachine@users.noreply.github.com>
Co-authored-by: Victor Martinez <victormartinezrubio@gmail.com>
Co-authored-by: Carson Ip <carsonip@users.noreply.github.com>
---
 CHANGELOG.asciidoc             |  3 +++
 changelogs/9.0.asciidoc        | 26 ++++++++++++++++++++++++++
 changelogs/head.asciidoc       |  2 +-
 cmd/intake-receiver/version.go |  2 +-
 internal/version/version.go    |  2 +-
 5 files changed, 32 insertions(+), 3 deletions(-)
 create mode 100644 changelogs/9.0.asciidoc

diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index ec361561c21..ed7765c4a7d 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -1,4 +1,5 @@
 // tag::list[]
+* <<apm-release-notes-9.0>>
 * <<apm-release-notes-8.18>>
 * <<apm-release-notes-8.17>>
 * <<apm-release-notes-8.16>>
@@ -21,6 +22,8 @@
 // end::list[]
 
 // tag::includes[]
+include::./changelogs/head.asciidoc[]
+include::./changelogs/9.0.asciidoc[]
 include::./changelogs/8.18.asciidoc[]
 include::./changelogs/8.17.asciidoc[]
 include::./changelogs/8.16.asciidoc[]
diff --git a/changelogs/9.0.asciidoc b/changelogs/9.0.asciidoc
new file mode 100644
index 00000000000..6d44fbf4692
--- /dev/null
+++ b/changelogs/9.0.asciidoc
@@ -0,0 +1,26 @@
+[[apm-release-notes-9.0]]
+== APM version 9.0
+* <<apm-release-notes-9.0.0>>
+
+[float]
+[[apm-release-notes-9.0.0]]
+=== APM version 9.0.0
+
+https://github.com/elastic/apm-server/compare/v\...v9.0.0[View commits]
+
+[float]
+==== Bug fixes
+- Fix overflow in validation of `apm-server.agent.config.cache.expiration` on 32-bit architectures {pull}15216[15216]
+
+[float]
+==== Breaking Changes
+
+[float]
+==== Deprecations
+
+[float]
+==== Intake API Changes
+
+[float]
+==== Added
+- Tail-based sampling: Storage layer is rewritten to use Pebble database instead of BadgerDB. The new implementation offers a substantial throughput increase while consuming significantly less memory. Disk usage is lower and more stable. See PR for benchmark details. {pull}15235[15235]
diff --git a/changelogs/head.asciidoc b/changelogs/head.asciidoc
index 63d9b46cf3a..0eb5a03a91c 100644
--- a/changelogs/head.asciidoc
+++ b/changelogs/head.asciidoc
@@ -1,7 +1,7 @@
 [[release-notes-head]]
 == APM version HEAD
 
-https://github.com/elastic/apm-server/compare/8.18\...8.x[View commits]
+https://github.com/elastic/apm-server/compare/9.0\...main[View commits]
 
 [float]
 ==== Breaking Changes
diff --git a/cmd/intake-receiver/version.go b/cmd/intake-receiver/version.go
index f5d3ff4c781..588a4209440 100644
--- a/cmd/intake-receiver/version.go
+++ b/cmd/intake-receiver/version.go
@@ -18,4 +18,4 @@
 package main
 
 // version matches the APM Server's version
-const version = "9.0.0"
+const version = "9.1.0"
diff --git a/internal/version/version.go b/internal/version/version.go
index 0ac5980913b..fb081dc0fa7 100644
--- a/internal/version/version.go
+++ b/internal/version/version.go
@@ -18,4 +18,4 @@
 package version
 
 // Version holds the APM Server version.
-const Version = "9.0.0"
+const Version = "9.1.0"