What's Changed

🚀 Major Features

• Refresh Token Rotation with Sliding Window Sessions - Enhanced authentication security by implementing refresh token rotation and sliding window session expiration for better session management

• Streaming for Video/Audio Files - Fixed memory exhaustion issues by implementing streaming for media files instead of loading them entirely into memory

• EXIF Metadata Stripping for Image Uploads - Privacy enhancement that automatically strips EXIF metadata (location, camera info, etc.) from uploaded images

• Role Refactor: HOST → ADMIN - Migrated the HOST role to ADMIN for clearer terminology and permission naming

• React Query Migration (#5379) - Major frontend state management refactor, replacing custom state management with React Query v5 for improved caching, data synchronization, and developer experience

• Memo Map in User Profile - Implemented map view in user profiles to visualize memo locations geographically with Google Maps integration

• HDR Image and Video Support - Added support for HDR (High Dynamic Range) images and videos

• Midnight Theme (#5288) - Added new midnight theme option for users who prefer a darker interface

✨ Other Improvements

• feat: contribution New Locale: Galician (gl, gl_ES) (#5376)
• feat: add iframe support for embedded videos in markdown content
• feat: enhance attachment handling with MIME type validation
• feat: add glassmorphism map controls with Google Maps integration
• feat: add slash commands tooltip to InsertMenu
• refactor: migrate to connect-rpc (#5338)
• refactor: user auth improvements (#5360)
• refactor: consolidate MemoEditor components (#5409)
• refactor: remove legacy session cookie authentication
• refactor: remove deprecated Sessions and AccessTokens settings
• style: improve code block styling and formatting
• perf: optimize memory usage for statistics and image processing
• perf: optimize backend tests with parallel execution

🐛 Bug Fixes

• fix: add access control checks for attachments, comments, and reactions
• fix(ui): math render (#5549)
• fix(ui): correct calendar header month parsing (#5532)
• fix: improve editor auto-scroll and Safari IME handling (#5469)
• fix: prevent browser cache from serving stale memo data (#5470)
• fix: return Unauthenticated instead of PermissionDenied on token expiration (#5454)
• fix: apply theme and locale changes immediately on login screen (#5442)
• fix: allow public memo API access without authentication (#5451)
• fix: KaTeX math rendering with underscores (#5438)
• fix(frontend): ensure attachments are properly linked when creating memos (#5428)
• fix(theme): improve text contrast in default dark mode (#5323)
• fix(web): disable setext header syntax (#5314)
• fix(ui): fix todo command does nothing (#5329)
• fix: clean up memo_relation and attachments when deleting memo
• fix: allow guests to view public memo comments

🌍 Localization

• chore(i18n): update British English spelling (#5529)
• chore: update Chinese translation (#5519)
• chore(i18n): add missing Korean translations (#5456)
• chore: update simplified chinese localization (#5422)
• Update german translations (#5419)
• chore: add missing French locale translations (#5405)
• chore: add missing keys to Polish translation (#5380)
• chore(locales): update Italian translation (#5346)

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New Contributors

• @kanghyki made their first contribution in https://github.com/usememos/memos/pull/5280
• @realChriss made their first contribution in https://github.com/usememos/memos/pull/5288
• @seiyap70 made their first contribution in https://github.com/usememos/memos/pull/5294
• @spaghetti-coder made their first contribution in https://github.com/usememos/memos/pull/5328
• @xiaolinny made their first contribution in https://github.com/usememos/memos/pull/5332
• @maishivamhoo123 made their first contribution in https://github.com/usememos/memos/pull/5323
• @catoblepa made their first contribution in https://github.com/usememos/memos/pull/5346
• @dwojtas made their first contribution in https://github.com/usememos/memos/pull/5380
• @xmgz made their first contribution in https://github.com/usememos/memos/pull/5376
• @Linqi1234 made their first contribution in https://github.com/usememos/memos/pull/5404
• @guiguir68 made their first contribution in https://github.com/usememos/memos/pull/5405
• @rteitge made their first contribution in https://github.com/usememos/memos/pull/5419
• @sheep-realms made their first contribution in https://github.com/usememos/memos/pull/5422
• @majiayu000 made their first contribution in https://github.com/usememos/memos/pull/5428
• @Faizaanp made their first contribution in https://github.com/usememos/memos/pull/5438
• @Omcodes23 made their first contribution in https://github.com/usememos/memos/pull/5442
• @myodan made their first contribution in https://github.com/usememos/memos/pull/5456
• @zhongzhong4zz made their first contribution in https://github.com/usememos/memos/pull/5482
• @pgoslatara made their first contribution in https://github.com/usememos/memos/pull/5522
• @salmanmkc made their first contribution in https://github.com/usememos/memos/pull/5528
• @itzmk21 made their first contribution in https://github.com/usememos/memos/pull/5529
• @BrenticusMaximus made their first contribution in https://github.com/usememos/memos/pull/5532
• @cuiweixie made their first contribution in https://github.com/usememos/memos/pull/5539
• @ganeshkumara10 made their first contribution in https://github.com/usememos/memos/pull/5549

Full Changelog: https://github.com/usememos/memos/compare/v0.25.3...v0.26.0