●2.1.312 — Fixes Claude overwriting very large CLAUDE.md files and skills going missing after a Bash cd●API — The Messages API maximum request size grew from 32 MB to 128 MB (10/28)●SONNET 4.5 — Retires on the Claude API on 11/30, 29 days left. Migrate to Sonnet 5.5●WINDOWS — Reports say hooks break silently only on Japanese-locale Windows; check the character encoding first●FAST — Opus 4.8 fast mode is deprecated and will be removed on 11/30. Migrate to Opus 5.5●NEW — I Put a Ten-Line Promise File at the To…●2.1.312 — Fixes Claude overwriting very large CLAUDE.md files and skills going missing after a Bash cd●API — The Messages API maximum request size grew from 32 MB to 128 MB (10/28)●SONNET 4.5 — Retires on the Claude API on 11/30, 29 days left. Migrate to Sonnet 5.5●WINDOWS — Reports say hooks break silently only on Japanese-locale Windows; check the character encoding first●FAST — Opus 4.8 fast mode is deprecated and will be removed on 11/30. Migrate to Opus 5.5●NEW — I Put a Ten-Line Promise File at the To…