What's Changed
- Prevent legacy beatmap encoder from outputting kiai time flag on first control point of beatmap by @bdach in #38107
- Implement legacy skin encoder by @bdach in #38090
- Add localisation support to various pluralisable strings by @diquoks in #38047
- Flip cards in opponent's hand by @diquoks in #37984
Full Changelog: 2026.618.0-tachyon...2026.623.0-tachyon