MemPalace tagged v3.9.0 two hours ago and is shipping a minor roughly every week
GitHub·medium signal
MemPalace/mempalace, which bills itself as the best-benchmarked open-source AI memory system, published v3.9.0 at 2026-08-31 10:25 UTC, eight days after v3.8.0 on 08-23 and seventeen after v3.7.1 on 08-14. It sits at 58,747 stars and 7,541 forks with 727 open issues, an issue load that has not slowed the release cadence.