+[4f142aa1...master](https://github.com/rust-lang/rust-clippy/compare/4f142aa1...master)
+
+## Rust 1.66
+
+Current stable, released 2022-12-15
+
+[b52fb523...4f142aa1](https://github.com/rust-lang/rust-clippy/compare/b52fb523...4f142aa1)
+
+### New Lints
+
+* [`manual_clamp`]
+ [#9484](https://github.com/rust-lang/rust-clippy/pull/9484)
+* [`missing_trait_methods`]
+ [#9670](https://github.com/rust-lang/rust-clippy/pull/9670)
+* [`unused_format_specs`]
+ [#9637](https://github.com/rust-lang/rust-clippy/pull/9637)
+* [`iter_kv_map`]
+ [#9409](https://github.com/rust-lang/rust-clippy/pull/9409)
+* [`manual_filter`]
+ [#9451](https://github.com/rust-lang/rust-clippy/pull/9451)
+* [`box_default`]
+ [#9511](https://github.com/rust-lang/rust-clippy/pull/9511)
+* [`implicit_saturating_add`]
+ [#9549](https://github.com/rust-lang/rust-clippy/pull/9549)
+* [`as_ptr_cast_mut`]
+ [#9572](https://github.com/rust-lang/rust-clippy/pull/9572)
+* [`disallowed_macros`]
+ [#9495](https://github.com/rust-lang/rust-clippy/pull/9495)
+* [`partial_pub_fields`]
+ [#9658](https://github.com/rust-lang/rust-clippy/pull/9658)
+* [`uninlined_format_args`]
+ [#9233](https://github.com/rust-lang/rust-clippy/pull/9233)
+* [`cast_nan_to_int`]
+ [#9617](https://github.com/rust-lang/rust-clippy/pull/9617)
+
+### Moves and Deprecations
+
+* `positional_named_format_parameters` was uplifted to rustc under the new name
+ `named_arguments_used_positionally`
+ [#8518](https://github.com/rust-lang/rust-clippy/pull/8518)
+* Moved [`implicit_saturating_sub`] to `style` (Now warn-by-default)
+ [#9584](https://github.com/rust-lang/rust-clippy/pull/9584)
+* Moved `derive_partial_eq_without_eq` to `nursery` (now allow-by-default)
+ [#9536](https://github.com/rust-lang/rust-clippy/pull/9536)
+
+### Enhancements
+
+* [`nonstandard_macro_braces`]: Now includes `matches!()` in the default lint config
+ [#9471](https://github.com/rust-lang/rust-clippy/pull/9471)
+* [`suboptimal_flops`]: Now supports multiplication and subtraction operations
+ [#9581](https://github.com/rust-lang/rust-clippy/pull/9581)
+* [`arithmetic_side_effects`]: Now detects cases with literals behind references
+ [#9587](https://github.com/rust-lang/rust-clippy/pull/9587)
+* [`upper_case_acronyms`]: Now also checks enum names
+ [#9580](https://github.com/rust-lang/rust-clippy/pull/9580)
+* [`needless_borrowed_reference`]: Now lints nested patterns
+ [#9573](https://github.com/rust-lang/rust-clippy/pull/9573)
+* [`unnecessary_cast`]: Now works for non-trivial non-literal expressions
+ [#9576](https://github.com/rust-lang/rust-clippy/pull/9576)
+* [`arithmetic_side_effects`]: Now detects operations with custom types
+ [#9559](https://github.com/rust-lang/rust-clippy/pull/9559)
+* [`disallowed_methods`], [`disallowed_types`]: Not correctly lints types, functions and macros
+ with the same path
+ [#9495](https://github.com/rust-lang/rust-clippy/pull/9495)
+* [`self_named_module_files`], [`mod_module_files`]: Now take remapped path prefixes into account
+ [#9475](https://github.com/rust-lang/rust-clippy/pull/9475)
+* [`bool_to_int_with_if`]: Now detects the inverse if case
+ [#9476](https://github.com/rust-lang/rust-clippy/pull/9476)
+
+### False Positive Fixes
+
+* [`arithmetic_side_effects`]: Now allows operations that can't overflow
+ [#9474](https://github.com/rust-lang/rust-clippy/pull/9474)
+* [`unnecessary_lazy_evaluations`]: No longer lints in external macros
+ [#9486](https://github.com/rust-lang/rust-clippy/pull/9486)
+* [`needless_borrow`], [`explicit_auto_deref`]: No longer lint on unions that require the reference
+ [#9490](https://github.com/rust-lang/rust-clippy/pull/9490)
+* [`almost_complete_letter_range`]: No longer lints in external macros
+ [#9467](https://github.com/rust-lang/rust-clippy/pull/9467)
+* [`drop_copy`]: No longer lints on idiomatic cases in match arms
+ [#9491](https://github.com/rust-lang/rust-clippy/pull/9491)
+* [`question_mark`]: No longer lints in const context
+ [#9487](https://github.com/rust-lang/rust-clippy/pull/9487)
+* [`collapsible_if`]: Suggestion now work in macros
+ [#9410](https://github.com/rust-lang/rust-clippy/pull/9410)
+* [`std_instead_of_core`]: No longer triggers on unstable modules
+ [#9545](https://github.com/rust-lang/rust-clippy/pull/9545)
+* [`unused_peekable`]: No longer lints, if the peak is done in a closure or function
+ [#9465](https://github.com/rust-lang/rust-clippy/pull/9465)
+* [`useless_attribute`]: No longer lints on `#[allow]` attributes for [`unsafe_removed_from_name`]
+ [#9593](https://github.com/rust-lang/rust-clippy/pull/9593)
+* [`unnecessary_lazy_evaluations`]: No longer suggest switching to early evaluation when type has
+ custom `Drop` implementation
+ [#9551](https://github.com/rust-lang/rust-clippy/pull/9551)
+* [`unnecessary_cast`]: No longer lints on negative hexadecimal literals when cast as floats
+ [#9609](https://github.com/rust-lang/rust-clippy/pull/9609)
+* [`use_self`]: No longer lints in proc macros
+ [#9454](https://github.com/rust-lang/rust-clippy/pull/9454)
+* [`never_loop`]: Now takes `let ... else` statements into consideration.
+ [#9496](https://github.com/rust-lang/rust-clippy/pull/9496)
+* [`default_numeric_fallback`]: Now ignores constants
+ [#9636](https://github.com/rust-lang/rust-clippy/pull/9636)
+* [`uninit_vec`]: No longer lints `Vec::set_len(0)`
+ [#9519](https://github.com/rust-lang/rust-clippy/pull/9519)
+* [`arithmetic_side_effects`]: Now ignores references to integer types
+ [#9507](https://github.com/rust-lang/rust-clippy/pull/9507)
+* [`large_stack_arrays`]: No longer lints inside static items
+ [#9466](https://github.com/rust-lang/rust-clippy/pull/9466)
+* [`ref_option_ref`]: No longer lints if the inner reference is mutable
+ [#9684](https://github.com/rust-lang/rust-clippy/pull/9684)
+* [`ptr_arg`]: No longer lints if the argument is used as an incomplete trait object
+ [#9645](https://github.com/rust-lang/rust-clippy/pull/9645)
+* [`should_implement_trait`]: Now also works for `default` methods
+ [#9546](https://github.com/rust-lang/rust-clippy/pull/9546)
+
+### Suggestion Fixes/Improvements
+
+* [`derivable_impls`]: The suggestion is now machine applicable
+ [#9429](https://github.com/rust-lang/rust-clippy/pull/9429)
+* [`match_single_binding`]: The suggestion now handles scrutinies with side effects better
+ [#9601](https://github.com/rust-lang/rust-clippy/pull/9601)
+* [`zero_prefixed_literal`]: Only suggests using octal numbers, if this is possible
+ [#9652](https://github.com/rust-lang/rust-clippy/pull/9652)
+* [`rc_buffer`]: The suggestion is no longer machine applicable to avoid semantic changes
+ [#9633](https://github.com/rust-lang/rust-clippy/pull/9633)
+* [`print_literal`], [`write_literal`], [`uninlined_format_args`]: The suggestion now ignores
+ comments after the macro call.
+ [#9586](https://github.com/rust-lang/rust-clippy/pull/9586)
+* [`expect_fun_call`]:Improved the suggestion for `format!` calls with captured variables
+ [#9586](https://github.com/rust-lang/rust-clippy/pull/9586)
+* [`nonstandard_macro_braces`]: The suggestion is now machine applicable and will no longer
+ replace brackets inside the macro argument.
+ [#9499](https://github.com/rust-lang/rust-clippy/pull/9499)
+* [`from_over_into`]: The suggestion is now a machine applicable and contains explanations
+ [#9649](https://github.com/rust-lang/rust-clippy/pull/9649)
+* [`needless_return`]: The automatic suggestion now removes all required semicolons
+ [#9497](https://github.com/rust-lang/rust-clippy/pull/9497)
+* [`to_string_in_format_args`]: The suggestion now keeps parenthesis around values
+ [#9590](https://github.com/rust-lang/rust-clippy/pull/9590)
+* [`manual_assert`]: The suggestion now preserves comments
+ [#9479](https://github.com/rust-lang/rust-clippy/pull/9479)
+* [`redundant_allocation`]: The suggestion applicability is now marked `MaybeIncorrect` to
+ avoid semantic changes
+ [#9634](https://github.com/rust-lang/rust-clippy/pull/9634)
+* [`assertions_on_result_states`]: The suggestion has been corrected, for cases where the
+ `assert!` is not in a statement.
+ [#9453](https://github.com/rust-lang/rust-clippy/pull/9453)
+* [`nonminimal_bool`]: The suggestion no longer expands macros
+ [#9457](https://github.com/rust-lang/rust-clippy/pull/9457)
+* [`collapsible_match`]: Now specifies field names, when a struct is destructed
+ [#9685](https://github.com/rust-lang/rust-clippy/pull/9685)
+* [`unnecessary_cast`]: The suggestion now adds parenthesis for negative numbers
+ [#9577](https://github.com/rust-lang/rust-clippy/pull/9577)
+* [`redundant_closure`]: The suggestion now works for `impl FnMut` arguments
+ [#9556](https://github.com/rust-lang/rust-clippy/pull/9556)
+
+### ICE Fixes
+
+* [`unnecessary_to_owned`]: Avoid ICEs in favor of false negatives if information is missing
+ [#9505](https://github.com/rust-lang/rust-clippy/pull/9505)
+* [`manual_range_contains`]: No longer ICEs on values behind references
+ [#9627](https://github.com/rust-lang/rust-clippy/pull/9627)
+* [`needless_pass_by_value`]: No longer ICEs on unsized `dyn Fn` arguments
+ [#9531](https://github.com/rust-lang/rust-clippy/pull/9531)
+* `*_interior_mutable_const` lints: no longer ICE on const unions containing `!Freeze` types
+ [#9539](https://github.com/rust-lang/rust-clippy/pull/9539)
+
+### Others
+
+* Released `rustc_tools_util` for version information on `Crates.io`. (Further adjustments will
+ not be published as part of this changelog)