diff --git a/crates/bvh-region/src/query/ray.rs b/crates/bvh-region/src/query/ray.rs
index cc7ad832..9bf4c502 100644
--- a/crates/bvh-region/src/query/ray.rs
+++ b/crates/bvh-region/src/query/ray.rs
@@ -24,26 +24,24 @@ impl<T: Debug> Bvh<T> {
             Node::Leaf(elems) => {
                 // Only a leaf: check all elements directly.
                 for elem in elems {
-                    if let Some(t) = get_aabb(elem).intersect_ray(&ray) {
-                        if t < closest_t && t.into_inner() >= 0.0 {
+                    if let Some(t) = get_aabb(elem).intersect_ray(&ray)
+                        && t < closest_t && t.into_inner() >= 0.0 {
                             closest_t = t;
                             closest_elem = Some(elem);
                         }
-                    }
                 }
             }
             Node::Internal(internal) => {
                 let mut heap: BinaryHeap<_> = BinaryHeap::new();
 
                 // Check if the ray hits the root node's AABB
-                if let Some(t) = internal.aabb.intersect_ray(&ray) {
-                    if t.into_inner() >= 0.0 {
+                if let Some(t) = internal.aabb.intersect_ray(&ray)
+                    && t.into_inner() >= 0.0 {
                         heap.push(Reverse(NodeOrd {
                             node: internal,
                             by: t,
                         }));
                     }
-                }
 
                 while let Some(Reverse(current)) = heap.pop() {
                     let node = current.node;
@@ -57,23 +55,21 @@ impl<T: Debug> Bvh<T> {
                     for child in node.children(self) {
                         match child {
                             Node::Internal(child_node) => {
-                                if let Some(t) = child_node.aabb.intersect_ray(&ray) {
-                                    if t < closest_t && t.into_inner() >= 0.0 {
+                                if let Some(t) = child_node.aabb.intersect_ray(&ray)
+                                    && t < closest_t && t.into_inner() >= 0.0 {
                                         heap.push(Reverse(NodeOrd {
                                             node: child_node,
                                             by: t,
                                         }));
                                     }
-                                }
                             }
                             Node::Leaf(elems) => {
                                 for elem in elems {
-                                    if let Some(t) = get_aabb(elem).intersect_ray(&ray) {
-                                        if t < closest_t && t.into_inner() >= 0.0 {
+                                    if let Some(t) = get_aabb(elem).intersect_ray(&ray)
+                                        && t < closest_t && t.into_inner() >= 0.0 {
                                             closest_t = t;
                                             closest_elem = Some(elem);
                                         }
-                                    }
                                 }
                             }
                         }
diff --git a/crates/geometry/src/aabb.rs b/crates/geometry/src/aabb.rs
index ab78d4e2..907bb82f 100644
--- a/crates/geometry/src/aabb.rs
+++ b/crates/geometry/src/aabb.rs
@@ -1,3 +1,5 @@
+#![allow(clippy::manual_midpoint)]
+
 use std::{
     fmt::{Debug, Display},
     ops::Add,
diff --git a/crates/hyperion-clap-macros/src/lib.rs b/crates/hyperion-clap-macros/src/lib.rs
index fe412b7c..03c69d6a 100644
--- a/crates/hyperion-clap-macros/src/lib.rs
+++ b/crates/hyperion-clap-macros/src/lib.rs
@@ -11,20 +11,18 @@ pub fn derive_command_permission(input: TokenStream) -> TokenStream {
     // Extract the group from the `#[command_permission(group = "Admin")]` attribute
     let mut group = None;
     for attr in &input.attrs {
-        if attr.path().is_ident("command_permission") {
-            if let Err(err) = attr.parse_nested_meta(|meta| {
-                if meta.path.is_ident("group") {
-                    if let Ok(Lit::Str(lit)) = meta.value()?.parse::<Lit>() {
+        if attr.path().is_ident("command_permission")
+            && let Err(err) = attr.parse_nested_meta(|meta| {
+                if meta.path.is_ident("group")
+                    && let Ok(Lit::Str(lit)) = meta.value()?.parse::<Lit>() {
                         group = Some(lit);
                     }
-                }
                 Ok(())
             }) {
                 return Error::new_spanned(attr, format!("Failed to parse attribute: {err}"))
                     .to_compile_error()
                     .into();
             }
-        }
     }
 
     let group_ident = match group {
diff --git a/crates/hyperion-inventory/src/lib.rs b/crates/hyperion-inventory/src/lib.rs
index aaf1f07c..c4baefdf 100644
--- a/crates/hyperion-inventory/src/lib.rs
+++ b/crates/hyperion-inventory/src/lib.rs
@@ -418,12 +418,12 @@ impl PlayerInventory {
             stack.item
         });
 
-        let result = registry
+        
+
+        registry
             .get_result_2x2(items)
             .cloned()
-            .unwrap_or(ItemStack::EMPTY);
-
-        result
+            .unwrap_or(ItemStack::EMPTY)
     }
 
     #[must_use]
diff --git a/crates/hyperion-item/src/builder/book.rs b/crates/hyperion-item/src/builder/book.rs
index 78480f40..f27212b8 100644
--- a/crates/hyperion-item/src/builder/book.rs
+++ b/crates/hyperion-item/src/builder/book.rs
@@ -34,11 +34,10 @@ impl BookBuilder {
         let page = page.into();
         let json = format!(r#"{{"text":"{page}"}}"#);
 
-        if let Some(nbt) = &mut self.item.nbt {
-            if let nbt::Value::List(nbt::List::String(pages)) = nbt.get_mut("pages").unwrap() {
+        if let Some(nbt) = &mut self.item.nbt
+            && let nbt::Value::List(nbt::List::String(pages)) = nbt.get_mut("pages").unwrap() {
                 pages.push(json);
             }
-        }
 
         self
     }
diff --git a/crates/hyperion-proxy/src/lib.rs b/crates/hyperion-proxy/src/lib.rs
index 3fb025aa..e64b9935 100644
--- a/crates/hyperion-proxy/src/lib.rs
+++ b/crates/hyperion-proxy/src/lib.rs
@@ -4,6 +4,8 @@
 #![feature(never_type)]
 #![feature(stmt_expr_attributes)]
 #![feature(gen_blocks)]
+#![expect(incomplete_features, reason = "generic_const_exprs")]
+#![feature(generic_const_exprs)]
 #![allow(
     clippy::redundant_pub_crate,
     clippy::cast_possible_truncation,
diff --git a/crates/hyperion-utils/src/cached_save.rs b/crates/hyperion-utils/src/cached_save.rs
index eacdb6f9..b6fd8fd0 100644
--- a/crates/hyperion-utils/src/cached_save.rs
+++ b/crates/hyperion-utils/src/cached_save.rs
@@ -40,7 +40,7 @@ pub fn cached_save<U: reqwest::IntoUrl + 'static>(
             // Convert the byte stream into an AsyncRead
 
             let reader = StreamReader::new(byte_stream.map(|result| {
-                result.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))
+                result.map_err(std::io::Error::other)
             }));
 
             let directory = directory.clone();
diff --git a/crates/hyperion/src/common/config.rs b/crates/hyperion/src/common/config.rs
index 9a32b776..b135b7c5 100644
--- a/crates/hyperion/src/common/config.rs
+++ b/crates/hyperion/src/common/config.rs
@@ -76,8 +76,8 @@ impl Config {
         info!("configuration file not found, using defaults");
 
         // make required folders
-        if let Some(parent) = path.as_ref().parent() {
-            if let Err(e) = std::fs::create_dir_all(parent) {
+        if let Some(parent) = path.as_ref().parent()
+            && let Err(e) = std::fs::create_dir_all(parent) {
                 // this might happen on a read-only filesystem (i.e.,
                 // when running on a CI, profiling in Instruments, etc.)
                 warn!(
@@ -87,7 +87,6 @@ impl Config {
                 );
                 return Ok(Self::default());
             }
-        }
 
         // write default config to file
         let default_config = Self::default();
diff --git a/crates/hyperion/src/lib.rs b/crates/hyperion/src/lib.rs
index a3ed2a21..8ddffec7 100644
--- a/crates/hyperion/src/lib.rs
+++ b/crates/hyperion/src/lib.rs
@@ -23,6 +23,7 @@
 #![feature(trivial_bounds)]
 #![feature(pointer_is_aligned_to)]
 #![feature(thread_local)]
+#![feature(duration_constructors_lite)]
 
 pub const CHUNK_HEIGHT_SPAN: u32 = 384; // 512; // usually 384
 
@@ -96,7 +97,7 @@ pub fn adjust_file_descriptor_limits(recommended_min: u64) -> std::io::Result<()
         rlim_max: 0, // Initialize hard limit to 0
     };
 
-    if unsafe { getrlimit(RLIMIT_NOFILE, &mut limits) } == 0 {
+    if unsafe { getrlimit(RLIMIT_NOFILE, &raw mut limits) } == 0 {
         // Create a stack-allocated buffer...
 
         info!("current soft limit: {}", limits.rlim_cur);
@@ -117,7 +118,7 @@ pub fn adjust_file_descriptor_limits(recommended_min: u64) -> std::io::Result<()
 
     info!("setting soft limit to: {}", limits.rlim_cur);
 
-    if unsafe { setrlimit(RLIMIT_NOFILE, &limits) } != 0 {
+    if unsafe { setrlimit(RLIMIT_NOFILE, &raw const limits) } != 0 {
         error!("Failed to set the file handle limits");
         return Err(std::io::Error::last_os_error());
     }
diff --git a/crates/hyperion/src/simulation/blocks/manager.rs b/crates/hyperion/src/simulation/blocks/manager.rs
index fd99daa5..d3561b06 100644
--- a/crates/hyperion/src/simulation/blocks/manager.rs
+++ b/crates/hyperion/src/simulation/blocks/manager.rs
@@ -113,11 +113,10 @@ impl RegionManagerTask {
     }
 
     async fn get_or_create_region(&mut self, coord: IVec2) -> std::io::Result<Arc<Region>> {
-        if let Some(region) = self.regions.get(&coord) {
-            if let Some(region) = region.upgrade() {
+        if let Some(region) = self.regions.get(&coord)
+            && let Some(region) = region.upgrade() {
                 return Ok(region);
             }
-        }
 
         self.create_and_insert_region(coord).await
     }
@@ -125,7 +124,7 @@ impl RegionManagerTask {
     async fn create_and_insert_region(&mut self, coord: IVec2) -> std::io::Result<Arc<Region>> {
         let file = self.region_file(coord.x, coord.y).await?;
         let region =
-            Region::open(&file).map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))?;
+            Region::open(&file).map_err(std::io::Error::other)?;
         let region = Arc::new(region);
         let region_weak = Arc::downgrade(&region);
         self.regions.insert(coord, region_weak);
diff --git a/crates/hyperion/src/simulation/metadata/mod.rs b/crates/hyperion/src/simulation/metadata/mod.rs
index 1e0cd7d9..a3ba17e6 100644
--- a/crates/hyperion/src/simulation/metadata/mod.rs
+++ b/crates/hyperion/src/simulation/metadata/mod.rs
@@ -192,7 +192,7 @@ macro_rules! define_and_register_components {
 
 impl MetadataChanges {
     #[must_use]
-    pub fn is_empty(&self) -> bool {
+    pub const fn is_empty(&self) -> bool {
         self.0.is_empty()
     }
 
diff --git a/crates/hyperion/src/storage/buf.rs b/crates/hyperion/src/storage/buf.rs
index 049c6d4b..76e5aae1 100644
--- a/crates/hyperion/src/storage/buf.rs
+++ b/crates/hyperion/src/storage/buf.rs
@@ -24,8 +24,7 @@ unsafe impl Buf for bytes::BytesMut {
         // self
         self.reserve(len);
         let cap = self.spare_capacity_mut();
-        let cap = unsafe { cap.assume_init_mut() };
-        cap
+        (unsafe { cap.assume_init_mut() }) as _
     }
 
     fn advance(&mut self, len: usize) -> Self::Output {
@@ -42,8 +41,7 @@ unsafe impl Buf for Vec<u8> {
         // self
         self.reserve(len);
         let cap = self.spare_capacity_mut();
-        let cap = unsafe { cap.assume_init_mut() };
-        cap
+	(unsafe { cap.assume_init_mut() }) as _
     }
 
     fn advance(&mut self, len: usize) -> Self::Output {
diff --git a/crates/simd-utils/src/lib.rs b/crates/simd-utils/src/lib.rs
index 99da38c6..c9ecc8c9 100644
--- a/crates/simd-utils/src/lib.rs
+++ b/crates/simd-utils/src/lib.rs
@@ -1,6 +1,5 @@
 #![feature(portable_simd)]
 #![feature(trusted_len)]
-#![feature(slice_as_chunks)]
 #![feature(pointer_is_aligned_to)]
 
 use core::simd;
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index abeea7ec..10dd2515 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2025-02-22"
+channel = "nightly-2025-06-26"
 components = ["rustfmt", "clippy"]
 profile = "minimal"
diff --git a/tools/packet-inspector/src/app.rs b/tools/packet-inspector/src/app.rs
index 814c3fa1..5fec9cc4 100644
--- a/tools/packet-inspector/src/app.rs
+++ b/tools/packet-inspector/src/app.rs
@@ -82,11 +82,10 @@ impl GuiApp {
         // Persistent Storage
         let mut shared_state = SharedState::new(ctx);
 
-        if let Some(storage) = cc.storage {
-            if let Some(value) = eframe::get_value::<SharedState>(storage, eframe::APP_KEY) {
+        if let Some(storage) = cc.storage
+            && let Some(value) = eframe::get_value::<SharedState>(storage, eframe::APP_KEY) {
                 shared_state = value.merge(shared_state);
             }
-        }
 
         let autostart = shared_state.autostart;
         let shared_state = Arc::new(RwLock::new(shared_state));
diff --git a/tools/packet-inspector/src/app/packet_list.rs b/tools/packet-inspector/src/app/packet_list.rs
index 9edd5ec7..d7ebe65d 100644
--- a/tools/packet-inspector/src/app/packet_list.rs
+++ b/tools/packet-inspector/src/app/packet_list.rs
@@ -98,11 +98,10 @@ fn draw_packet_list(state: &mut SharedState, ui: &mut Ui) {
         .stick_to_bottom(!state.update_scroll)
         .show(ui, |ui| {
             for (i, packet) in packets.iter().enumerate() {
-                if let Some(filtered) = state.packet_filter.get(packet) {
-                    if !filtered {
+                if let Some(filtered) = state.packet_filter.get(packet)
+                    && !filtered {
                         continue;
                     }
-                }
 
                 let selected = { state.selected_packet == Some(i) };
 
diff --git a/tools/packet-inspector/src/lib.rs b/tools/packet-inspector/src/lib.rs
index daa3915e..6cba1220 100644
--- a/tools/packet-inspector/src/lib.rs
+++ b/tools/packet-inspector/src/lib.rs
@@ -211,14 +211,13 @@ impl Proxy {
                     .process(PacketSide::Serverbound, state, threshold, &packet)
                     .await?;
 
-                if state == PacketState::Handshaking {
-                    if let Some(handshake) = extrapolate_packet::<HandshakeC2s<'_>>(&packet) {
+                if state == PacketState::Handshaking
+                    && let Some(handshake) = extrapolate_packet::<HandshakeC2s<'_>>(&packet) {
                         *state_lock.write().await = match handshake.next_state {
                             HandshakeNextState::Status => PacketState::Status,
                             HandshakeNextState::Login => PacketState::Login,
                         };
                     }
-                }
 
                 server_writer.send_packet_raw(&packet).await?;
             }
diff --git a/tools/rust-mc-bot/src/packet_utils.rs b/tools/rust-mc-bot/src/packet_utils.rs
index 9dc7a710..3958ddad 100644
--- a/tools/rust-mc-bot/src/packet_utils.rs
+++ b/tools/rust-mc-bot/src/packet_utils.rs
@@ -1,3 +1,5 @@
+#![allow(clippy::manual_abs_diff)]
+
 use std::{convert::TryInto, io, io::Write, mem};
 
 pub struct Buf {