Do you even read the article before you reject it? First of all, it is 7-Zip that...
Current version of Inno Setup Unpacker executable includes an old version of zlib...
Firmware images format support
Software library formats support
Inconsistent PPMd compression ratio
Wrong comments handling by 7Z(FM)
Can't detect local header contents in ZIP archive
7-Zip can't detect all archives stored in 1 file