Changelog #308

#21200 don’t expand built-in derives, treat them specifically instead (saves 180 MB on self).

#21337 stabilize type mismatch diagnostic.

#20193 add setting to disable showing rename conflicts.

#20741 add macro segment completion.

#21326 keep flycheck generations in sync across multiple workspaces.

#21348 re-enable fixpoint variance analysis.

#21351 fix parsing of format_args!(…​, keyword=…​).

#21358 fix type inference when hovering on _.

#21354 fix duplicate default item in record update syntax.

#21330 fix indent in convert_to_guarded_return.

#20595 fix indent in convert_iter_for_each_to_for.

#20521 handle break in expected type analysis.

#21359 prompt the user to add the rust-analyzer component to the toolchain file.

#21297 fix LSP configuration request handling.

#21249, #21340, #21345 implement bidirectional proc macro server messaging prototype.

#21335 store closures with "tupled" inputs.

#21341 move library and local root inputs to base-db.

#21344 stop using MIR ProjectionElem in closure analysis.

#21349 make token trees no longer generic over the span.

#21353 pre-allocate some buffers for parsing.

#21355 reduce channel lock contention for drop threads.

#21357 drop AstIdMap asynchronously.

#21356 collect garbage when quiescient after events.

#21334 add cargo-machete CI step.