I have just put the 10.31 release in the usual place:
ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre2-10.31.tar.gz
ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre2-10.31.tar.bz2
ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre2-10.31.zip
There are two code changes since the 10.31-RC1 test release, only one of
which was a "real" bug (see the last two items in the ChangeLog for
10.31).
This is mainly a bugfix release, though there are a few minor additions
(see NEWS and ChangeLog).
Philip
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Philip Hazel