REL_18_RC1
Translation updates
Don't put library-supplied -L/-I switches before user-supplied ones.
Fix bug in archive streamer with LZ4 decompression
aio: Stop using enum bitfields due to bad code generation
pgxs.mk: remove unreachable rule for deleting regress.def.
Fix indentation in pg_numa code
thread-safety: gmtime_r(), localtime_r()
CREATE STATISTICS: improve misleading error message
Update time zone data files to tzdata release 2025b.
ci: Per-repo configuration for manually trigger tasks
Doc: simplify the tutorial's window-function examples.
Convert cvsignore to gitignore, and add .gitignore for build targets.
Replace a couple of references to files that no longer exist in the source tree with references to the appropriate URLs.
Remove distprep
Use exported symbols list on macOS for loadable modules as well
Update copyright for 2025