Changelog #241

#17508 add walkthrough and FAQ pages.

#17523 (first contribution) add an option to use :: for the external crate prefix.

#17529 fix lifetime parameters shifting parameter defaults.

#17534 skip match exhaustiveness checking if pattern type contains errors.

#17536 don’t emit semantic diagnostics in files with a lot of syntax errors.

#17552 use original source ranges in macro parameter completions.

#17554 fix callHierarchy LSP violation.

#17541 fix stack overflow on recursive calls with impl Trait.

#17494 don’t normalize use foo::{self} to use foo.

#17546 diagnose unresolved self value in path expressions.

#17549 fix runnable construction.

#17495, #17548 pass extra Cargo args when debugging.

#17522 bump rustc_pattern_analysis.

#17551 set InferenceResult::has_errors on error types.

#17526 improve error message when the proc macro server unexpectedly exits.

#17535 fix up the syntax tree for macro 2.0.

#17547 clean up runnable LSP extension.

#17555 inline generated syntax methods.

#17553 move remaining codegen things to xtask codegen.

#17530 move lifetimes in front of type and const params.

#17527 move capability querying out of the config module.