I have just put the 10.30 tarballs in the usual place: ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre2-10.30.tar.gz ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre2-10.30.tar.bz2 ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre2-10.30.zip
This is a major new release. The main interpreter, pcre2_match(), has been refactored into a new version that does not use recursive function calls (and therefore the system stack) for remembering backtracking positions. This makes --disable-stack-for-recursion a NOOP. The new implementation allows backtracking into recursive group calls in patterns, making it more compatible with Perl, and also fixes some other previously hard-to-do issues. For patterns that have a lot of backtracking, the heap is now used, and there is explicit limit on the amount, settable by pcre2_set_heap_limit() or (*LIMIT_HEAP=xxx). The "recursion limit" is retained, but is renamed as "depth limit" (though the old names remain for compatibility) and it also limits heap usage, though indirectly. See the documentation. There are several other changes and new features. See NEWS and ChangeLog. Philip -- Philip Hazel -- ## List details at https://lists.exim.org/mailman/listinfo/pcre-dev
