Changelog #235

#17268 retain more information about callables.

#17248 (first contribution) only clear diagnostics after new ones were received.

#17140 (first contribution) handle {self} when removing unused imports.

#17295 (first contribution) use correct key for environment variables with the C/C++ extension.

#17270 consider implied bounds from associated types in completion.

#17174 infer type of async blocks with tail return.

#17251 resolve extern prelude for modules nested in blocks.

#17277 fix various find_path issues.

#17279 fix format_args lowering.

#17284 use correct toolchain channel when generating built-in type doc links.

#17275 fix inconsistent working directory for Run and Debug commands.

#17296 (first contribution) avoid clone when constructing runnable label.

#17287 allow sysroot to only consist of the source root dir.

#17252 refactor prefer_no_std and prefer_prelude bools into a struct.