Changelog #310

#21415, #21446 allow Rust paths in symbol search.

#18043 support configuring flycheck using workspace.discoverConfig.

#21407 reuse scratch allocations for try_evaluate_obligations.

#21414 (first contribution) include traits defined in other crates in flyimport.

#21436 (first contribution) handle #[ignore = "reason"] on tests.

#21405 (first contribution) support Span::line and Span::column in proc macro expansion.

#21416 support Span::byte_range in proc macro expansion.

#21421 fix recursive built-in derive expansion.

#21399 properly lower SelfOnly predicates.

#21434 remove code made redundant by method resolution rewrite.

#21432 fix missing lifetimes diagnostics with function pointers.

#21420 ignore escapes when string highlighting is disabled.

#21438, #21439 add integration test infrastructure to proc macro server.

#21433 include private definitions in generated docs.