Changelog #264

#18670 drop proc macro server support for 1.66 and older toolchains.

#18458 add diagnostic fix to remove unnecessary Some or Ok wrapper on type mismatch.

#18652 add "Extract into constant" assist.

#18667 (first contribution) fix "Replace #[derive()]` when snippet text edits are disabled.

#18653 hash completion items to properly match them when resolved.

#18645 allow uninhabited non-exhaustive structs.

#18663 swallow rustfmt parsing panics.

#18660 clean up copied proc macro libraries on exit.

#18675 fix panic when displaying generic params with defaults, again.

#18684 re-enable snippet text edits capability.

#18656 preserve order of parameters in "Extract function".

#18674 show expansion errors in "Expand macro at caret".

#18466 properly handle different defaults for severity of lints.

#18668 fix source root construction for virtual manifests.

#18643 rename test fixture crates to ra_test_fixture.

#18644 remove cfg-if patching hack.

#18647 disable pipe in typing handler.

#18657 migrate generate_enum_variant assist to SyntaxEditor.

#18531 map new replacement nodes to their mutable equivalents in SyntaxEditor.

#18669 only parse the object file once in proc-macro-srv.

#18677 implement naked_asm! built-in.

#18672 simplify dummy proc-macro-srv.

#18694 show MIR eval errors on hover when debug environment variable is set.

#18693 fix proc-macro library names on Windows.

#18441 try not cache the config directory path.