• Add support for zstd (Zstandard) compression.
• Add support for lzma (ID 14) compression.
• Add zip_source_window_create().
• Add zip_source_zip_create() variant to zip_source_zip().
• Allow method specific comp_flags in zip_set_file_compression().
• Allow zip_source_tell() on sources that don't support seeking and zip_ftell() on compressed data.
• Provide more details for consistency check errors.
• Improve output of zipcmp.
• In zipcmp, don’t ignore empty directories when comparing directory listing.
• Treat empty string as no password given in zip_file_set_encryption(), zip_fopen_encrypted(), and zip_set_default_password().