Repository Issue Activity (beta)

#451 7-zip ZS flagged as malware by Microsoft Defender and 4 other products

#559 This is a virus

#553 LZMA2 [std] compression ratio is worse than vanilla 7-Zip under identical extreme settings (both v26.02) when source data significantly exceeds dictionary size

#558 7-Zip 26.03 released.

#557 [feature request] Support viewing Chromium `.pak` files

#543 -mx0 fails for lz4/lz5 and -mx0..-mx9 fails for lizard: the level is clamped to the maximum but not the minimum

#522 Every Windows x64 release after v25.01-v1.5.7-R4 appears to be malware

#556 The compression ratio for LZMA2 at compression level 2 is higher than that at compression level 4.

#555 Right-click-drag context menu shows no entry, despite correct registry configuration

#517 [Feature] Support built-in password manager

#554 Current WinGET release flagged as malware

#538 brotli: -mmt output cannot be extracted without -mmt, and the GUI has no way to pass it

#528 Design proposal: AES-256-GCM + Argon2id for .7z (standards-only, one method, test vectors included)

#521 [Question] How do I remove an option?

#552 Virustotal detects adware in 7zipInstall.exe

#470 Fluent Design Icon Needed

#547 pt_decompress() writes through a NULL writelist entry when the allocation fails

#545 *MT_create{C,D}Ctx() leaks the context when it rejects a thread count or level

#542 Some strange changes about CPP/Windows/FileDir.cpp

#479 Out of memory error

#549 st_decompress() decodes only the first frame of a concatenated lz5/lizard stream

#537 st_decompress() reports success on truncated input, so 7z t passes on damaged files

#536 pt_compress() leaks its input buffer on every early-return path

#532 zstdmt: lz4/lz5/lizard never received the writelist cleanup fix from #355

#531 MT decoders leak the decompression context on error and cancel paths