4.2: Openiv

✅ Up to v4.2, updates added support for new game patches and mod formats. Now community‑maintained, but still stable. Limitations / Drawbacks ❌ No Active Development After Take-Two’s legal threats in 2017, the original team stopped major updates. Version 4.2 is final from them. Community forks exist but aren’t official.

❌ It can open some RDR2 archives but can’t repack or edit most content. Not suitable for serious RDR2 modding. openiv 4.2

❌ Some users report crashes when handling very large .rpf archives or certain encrypted files. Workarounds exist, but they’re annoying. ✅ Up to v4