v0.0.1-alpha6

What's Changed

✨ New Features

Core & Architecture

• Internal FUSE mount with auto-start support (#275) — AltMount can now manage its own FUSE mount lifecycle, no external setup required
• Segment cache — persistent on-disk segment cache to dramatically reduce repeat download overhead (#309)
• Nested RAR extraction — full support for RAR-in-RAR and 7zip nested archives (#324, #343)
• ISO expansion inside RAR/7zip containers; keeps only the largest file (#366)
• SOCKS5 proxy support for NNTP providers (#170)
• Configurable nested RAR extraction toggle in UI and API (#348)

Importer & Queue

• Persistent import history with category support — survive restarts (#289)
• Manual queue priority control — PATCH /api/queue/{id}/priority + UI button (#361)
• Directory Watcher — automatically imports NZBs dropped into a watched folder (#208)
• NZBLNK resolver — resolves NZBLNK links via NZBKing and NZBIndex (#202)
• Import deduplication & validation optimization (#266)
• Enhanced NZBDav import UI with progress and detailed status (#264)
• Sample file auto-ignore on import
• PAR2 files now exported to meta to enable proper exports (#95)

Health & Monitoring

• Advanced health monitoring with path recovery and data verification (#290)
• Hybrid data verification mode to detect corrupted files (#263)
• Metadata integrity checks and zombie cleanup (#265)
• Automatic metadata backup system (#269)
• Symlink regeneration for files without library association (#201)

Authentication & Security

• Simplified single admin user model — cleaner, more predictable auth (#332)
• JWT secret hardening — auto-generated cryptographically secure secrets (#329, #325)
• Path traversal, CORS, and auth hardening (#325)
• Secure unauthenticated NZBDav import endpoints (#317)
• JWT cookie configuration options (#117)
• Auto-redirect to login on 401 / expired JWT (#331)
• Admin password change from UI (#330)

Frontend & UI

• GitHub version check and in-app update mechanism (#322)
• DaisyUI theme selector — multiple built-in themes (#316)
• Dashboard overhaul with Activity Hub and real-time metrics (#288)
• Modern redesign of Queue, Health, Files, and Import pages (#287)
• Responsive mobile layouts for Queue and Health tables (#299)
• Active streams display on dashboard (#130)
• File format labels in FileExplorer cards and info modal (#368)
• Queue sorting functionality (#96)
• Speed test for NNTP providers
• Ping (ms) metric in NNTP provider status cards (#293)

ARR Integration

• Improved path matching with filename and folder fallbacks (#267)
• Fix SABnzbd category compatibility for Sonarr/Radarr (#272)
• Improved category handling for ARR auto-setup (#182)
• Pause and additional SABnzbd queue methods (#119)
• --links flag support for symlink mounts (#363)

Configuration

• All missing backend configuration parameters now exposed to frontend (#296)
• Exposed allow_nested_rar_extraction in GET config response (#354)
• Configurable host in generated .strm files (#252)

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⚡ Performance Improvements

• Raise default max_download_prefetch from 3 → 10 for faster streaming (#359)
• 6 targeted NZB import pipeline optimizations — significant throughput improvement (#345)
• 4 targeted NZB parser optimizations (#347)
• Lazy segment loading — segments loaded on first read instead of at file open (#319)
• FUSE Linux mount options optimized inspired by rclone (#308)
• FUSE metadata cache to reduce filesystem lookups (#276)
• Library sync optimization for large libraries (#333)
• NNTP connection pool upgraded to nntppool v4 (#282)
• Improved FUSE performance and unified mount configuration (#285)

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🐛 Bug Fixes

Importer

• Prevent NZB filename collision from overwriting existing files (#353)
• Skip download when no NNTP providers configured (#355)
• Fix nested RAR extraction error handling (fail instead of fallback) (#346)
• Fix context cancellation propagation to prevent stuck imports (#172)
• Strip virtual path prefix correctly (#304)
• Prevent panic on NZB files with segment-less entries (#306)
• Fix fallback item not removed from queue after SABnzbd transfer (#350)
• Use PackedSize for RAR segment validation (#222)
• Ignore persistent .nzbs path in virtual directory calculation (#220)
• Fix replace strategy for persistent NZB storage (#219)
• Use relative paths in directory watcher (#232)
• Remove ID prefix from NZB filenames (#215)

API & Backend

• Validate numeric prefix before stripping from queue target_path (#356)
• Add User-Agent header for NZB URL downloads to avoid 403 errors (#352)
• Include allow_nested_rar_extraction in GET config response (#354)
• Prevent accidental metadata deletion via ARR webhooks (#256)
• Ignore EpisodeFileDelete webhook to prevent accidental library wipes (#253)
• Handle boolean deletedFiles and MovieDelete events in webhooks (#251)
• Return error if ARRs disabled on SABnzbd auth (#213)
• Remove redundant ARR scan triggers causing errors in v4+ (#166)
• Fix SABnzbd category compatibility for Sonarr/Radarr (#272)
• Prevent file descriptor leak in stream tracker (#167)

Health

• Fix 4 DB-ordering and state-management bugs in health worker (#344)
• Reset stuck pending jobs on startup and add disable toggle (#335)
• Move metadata to corrupted only after ARR repair is confirmed (#334)
• Fix health check scheduling and ARR integration (#188)
• Fix library sync deleting files
• Ensure playback failures trigger immediate repair (#176)
• Fix health status not updating from checking to healthy (#257)

FUSE / Filesystem

• Resolve FUSE mount hanging on file reads with context propagation (#302)
• Resolve mount stuck state showing mounted when not ready (#292)
• Handle context cancellation as debug (not errors) (#291)
• Implement Statfs to report filesystem size (#295)
• Improve move/rename operations with atomic renames and proper cleanup (#297)
• Set DiskSpaceTotalSize to match VFSCacheMaxSize (#351)
• Reset originalRangeEnd on Seek to fix video playback (#277)
• Skip rclone VFS notifications for FUSE/none mounts (#320)

Authentication

• Properly handle disabled auth state in UI (#261)
• Fix XSRF check and admin password change (#330)
• Auto-redirect to login on 401 (#331)

Usenet / Streaming

• Prevent memory leak by closing all segments in Clear() (#254)
• Prevent premature segment closure during streaming (#216)
• Resolve send on closed channel panic in UsenetReader (#307)
• Prevent use-after-free race condition in NZB parser (#160)
• Fix memory leak — replace bufpipe with io.Pipe in UsenetReader (#165)
• Fix AES-encrypted 7z file download blocking on last bytes (#162)
• Resolve nil pointer dereference in triggerFileRepair (#161)

Frontend

• Resolve sidebar always showing 0.0.0 version (#365)
• Fix import queue display, health % with pending, and auto-clear (#338)
• Ensure fresh playback data on tab switch (#342)
• Fix TypeScript build errors with missing type definitions (#301)
• Require save button for provider reorder and extend cache size range (#321)

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🔐 Security

• JWT secrets hardened — auto-rotated if weak/missing (#325, #329)
• Path traversal protection added (#325)
• CORS policy tightened (#325)
• NZBDav import endpoints secured — require authentication (#317)

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🔧 Refactoring & Internals

• Importer decomposed into focused sub-packages (#175)
• ARR module split into sub-packages with injected dependencies
• Config path validation extracted to separate package
• Standardized API responses with shared utilities (#174)
• NNTP connection pool upgraded to nntppool v4 (#282)
• cgofuse updated to v1.6.0 (#318)
• Go version updated to 1.25.1
• rardecode updated to v2.1.2

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📚 Documentation

• Improved integration and import strategy documentation
• Added migration tool from NZBDav to AltMount
• Docker volume plugin documentation by @VEEC023
• Improved general documentation (#298)

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🎉 New Contributors

• @drondeseries made their first contribution

Full Changelog: v0.0.1-alpha5...v0.0.1-alpha6