- Update Unicode version 15.1.0
- NEW API: ONIG_OPTION_MATCH_WHOLE_STRING
- Fixed: (?I) option was not enabled for character classes (Issue #264).
- Changed specification to check for incorrect POSIX bracket (Issue #253).
- Changed [[:punct:]] in Unicode encodings to be compatible with POSIX definition. (Issue #268)
- Fixed: ONIG_OPTION_FIND_LONGEST behavior