LLVM 19.1.0 released

Version
19.1.0 of the LLVM compiler suite has been released:

This is the first release in the LLVM 19.x series and represents 6
months of work the LLVM community. During this period 1502 unique
authors contributed 18925 commits (3605729 lines added and 1665792
lines removed) to LLVM.

As usual, there is a long list of changes; see the release notes
for LLVM,
Libc++,
lld,
Clang,
and Extra
Clang Tools for changes to each.