REL_15_14
Translation updates
Restrict psql meta-commands in plain-text dumps.
With GB18030, prevent SIGSEGV from reading past end of allocation.
In fmtIdEnc(), handle failure of enlargePQExpBuffer().
Fix security checks in selectivity estimation functions.
Refactor DLSUFFIX handling
Make our usage of memset_s() conform strictly to the C11 standard.
On NetBSD, force dynamic symbol resolution at postmaster start.
Update time zone data files to tzdata release 2025b.
Doc: sync src/tutorial/basics.source with SGML documentation.
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 the option to build thread_test.c outside configure.
Don't put library-supplied -L/-I switches before user-supplied ones.
Stop using "-multiply_defined suppress" on macOS.
Improve frontend error logging style.