Changelog #300

#20186 add option to exclude nearby derives from "Go to implementations" and implementations lens.

#20906 support opaques properly.

#20921 avoid calling specializes() query on crates that do not define #![feature(specialization)].

#20920 resolve target-dir more precisely.

#20369 change method to associated function calls when renaming self.

#20931 show proper async function signatures in the signature help.

#20930 fix handling of nested block modules.

#20919 consider all matches for flyimport even when searched with a qualifier.

#20942 fix false positive syntax errors on frontmatters.

#20934 improve error recovery with malformed function return types.

#20915 offer replace_is_method_with_if_let_method in while expression.

#20922 reduce client_commands allocations in LSP conversion.

#20927 support memory profiling using dhat.