Changelog #252

#18135 add diagnostics for unsafe_op_in_unsafe_fn.

#18131 replace $crate in user-visible macro expansions.

#18151 support ${concat(…​)} metavariable expressions.

#18137 support expr_2021 fragment specifiers.

#18136 (first contribution) don’t lint names of #[no_mangle] extern functions.

#18128 don’t show lints and quick fixes in code generated by external macros.

#18117 always cache macro expansion root nodes in Semantics.

#18139 extend type_variable_table when index is larger than the table size.

#18146 remove check that text of parse_expr_from_str() matches the produced parsed tree.

#18153 account for rawness in $expr fragments.

#18108 take #[cfg_attr] into account for lint attributes.

#18132 don’t complete ; in closure return expressions.

#18134 extend SourceChangeBuilder to make make working with SyntaxEditor easier.

#18169 temporarily disable GitHub releases.