···1010## [0.10.0] — 2026-03-24
11111212### Added
1313+- Sheets: rich error tooltip popups (upgrade from title attr) (#208)
1414+- Sheets: function help panel (#97)
1515+- Sheets: contextual error tooltips (#96)
1316- **Server-side trash**: Trash state moved from localStorage to SQLite `deleted_at` column — trash persists across browsers and devices, with automatic 30-day purge (#153)
1417- **Toast with undo on delete**: Deleting a document shows a 5-second toast with an accessible Undo button (#154)
1518- **Formula bar color coding**: Cell references in the formula bar now match the colored range highlight borders on the grid (#112)
16191720### Changed
2121+- Both: document duplication from landing page (#106)
2222+- Docs: embed code blocks with syntax highlighting (#110)
2323+- Sheets: SPARKLINE() inline mini-charts (#87)
2424+- Sheets: keyboard shortcut parity with Google Sheets (#105)
1825- One-time migration of localStorage trash entries to server on first load
1926- `GET /api/documents` now returns only active (non-trashed) documents
2027- New API endpoints: `GET /api/documents/trash`, `PUT /api/documents/:id/trash`, `PUT /api/documents/:id/restore`