Changelog for Clippy 1.84 🧨 (rust-lang#13937)

Roses are red,
Violets are blue,
Happy new year,
full of happiness and cheer!

---

### The cat of this release is lizzy nominated by @jdonszelmann:

<img height=700
src="https://github.com/user-attachments/assets/612834d0-d584-4bf3-b11e-3564456c10ee"
alt="The cats of this Clippy release" />

Cats for the next release can be nominated in the comments :D

---

I've also updated the template to include the text I usually use for
moves, renames, or new lints.

changelog: none

---

That's it happy new year, kings, queens, and all other royalty! ❤️

Author: Centri3

CHANGELOG.md

@@ -6,11 +6,52 @@ document.
 
 ## Unreleased / Beta / In Rust Nightly
 
-[aa0d5513...master](https://github.com/rust-lang/rust-clippy/compare/aa0d5513...master)
+[786fbd6d...master](https://github.com/rust-lang/rust-clippy/compare/786fbd6d...master)
+
+## Rust 1.84
+
+Current stable, released 2025-01-09
+
+[View all 84 merged pull requests](https://github.com/rust-lang/rust-clippy/pulls?q=merged%3A2024-10-03T21%3A23%3A58Z..2024-11-14T17%3A41%3A37Z+base%3Amaster)
+
+### New Lints
+
+* Added [`unnecessary_map_or`] to `style`
+  [#11796](https://github.com/rust-lang/rust-clippy/pull/11796)
+* Added [`arbitrary_source_item_ordering`] to `restriction`
+  [#13376](https://github.com/rust-lang/rust-clippy/pull/13376)
+* Added [`map_with_unused_argument_over_ranges`] to `restriction`
+  [#13034](https://github.com/rust-lang/rust-clippy/pull/13034)
+* Added [`map_all_any_identity`] to `complexity`
+  [#13499](https://github.com/rust-lang/rust-clippy/pull/13499)
+* Added [`needless_as_bytes`] to `complexity`
+  [#13437](https://github.com/rust-lang/rust-clippy/pull/13437)
+* Added [`unnecessary_literal_bound`] to `pedantic`
+  [#13395](https://github.com/rust-lang/rust-clippy/pull/13395)
+* Added [`manual_ignore_case_cmp`] to `perf`
+  [#13334](https://github.com/rust-lang/rust-clippy/pull/13334)
+* Added [`regex_creation_in_loops`] to `perf`
+  [#13412](https://github.com/rust-lang/rust-clippy/pull/13412)
+
+### Moves and Deprecations
+
+* Moved [`manual_is_power_of_two`] to `pedantic` (From `complexity`, now allow-by-default)
+  [#13553](https://github.com/rust-lang/rust-clippy/pull/13553)
+* Move [`module_name_repetitions`] to `restriction` (from `pedantic`)
+  [#13541](https://github.com/rust-lang/rust-clippy/pull/13541)
+
+### Enhancements
+
+* [`doc_markdown`]: Added the following identifiers to [`doc-valid-idents`]:
+  CoAP, MHz, GHz, and THz
+  [#13633](https://github.com/rust-lang/rust-clippy/pull/13633)
+  [#13460](https://github.com/rust-lang/rust-clippy/pull/13460)
+* [`large_const_arrays`]: Changed the default of [`array-size-threshold`] to `16kb` (from `512kb`)
+  [#13485](https://github.com/rust-lang/rust-clippy/pull/13485)
 
 ## Rust 1.83
 
-Current stable, released 2024-11-28
+Released 2024-11-28
 
 [View all 64 merged pull requests](https://github.com/rust-lang/rust-clippy/pulls?q=merged%3A2024-08-25T09%3A59%3A01Z..2024-10-03T13%3A42%3A56Z+base%3Amaster)
 

book/src/development/infrastructure/changelog_update.md

@@ -83,7 +83,12 @@ As section headers, we use:
 
 ```
 ### New Lints
+* Added [`LINT`] to `GROUP`
+
 ### Moves and Deprecations
+* Moved [`LINT`] to `GROUP` (From `GROUP`, now LEVEL-by-default)
+* Renamed `LINT` to [`LINT`]
+
 ### Enhancements
 ### False Positive Fixes
 ### Suggestion Fixes/Improvements

clippy_lints/src/manual_ignore_case_cmp.rs

@@ -32,7 +32,7 @@ declare_clippy_lint! {
     ///    a.eq_ignore_ascii_case(b) || a.eq_ignore_ascii_case("abc")
     /// }
     /// ```
-    #[clippy::version = "1.82.0"]
+    #[clippy::version = "1.84.0"]
     pub MANUAL_IGNORE_CASE_CMP,
     perf,
     "manual case-insensitive ASCII comparison"

clippy_lints/src/regex.rs

@@ -97,7 +97,7 @@ declare_clippy_lint! {
     ///     }
     /// }
     /// ```
-    #[clippy::version = "1.83.0"]
+    #[clippy::version = "1.84.0"]
     pub REGEX_CREATION_IN_LOOPS,
     perf,
     "regular expression compilation performed in a loop"

clippy_lints/src/unnecessary_literal_bound.rs

@@ -47,7 +47,7 @@ declare_clippy_lint! {
     ///     }
     /// }
     /// ```
-    #[clippy::version = "1.83.0"]
+    #[clippy::version = "1.84.0"]
     pub UNNECESSARY_LITERAL_BOUND,
     pedantic,
     "detects &str that could be &'static str in function return types"