• Make support for layered sources public.
• Add zip_source_zip_file and zip_source_zip_file_create, deprecate zip_source_zip and zip_source_zip_create.
• Allow reading changed file data.
• Fix handling of files of size 4294967295.
• zipmerge: copy extra fields.
• zipmerge: add option to keep files uncompressed.
• Switch test framework to use nihtest instead of Perl.
• Fix reading/writing compressed data with buffers > 4GiB.
• Restore support for torrentzip.
• Add warnings when using deprecated functions.
• Allow keeping files for empty archives.
• Support mbedTLS>=3.3.0.
• Support OpenSSL 3.
• Use ISO C secure library functions, if available.