v3.0.0-alpha.12

Add drag&drop on selected platforms and improve video playback performance when supported hardware is available.

Changelog

Features

• gui: Show localized actions in history tooltips (457cc72)
• Add real-time validation and localized error display for rename modal (16daec7)
• Show media load failure reasons in preview UI (df9f201)
• backend: Enable GPU hardware video decoding with auto-copy mode (ddcfabd)
• backend: Add Vulkan C-ABI structs and Vulkan render context helpers to MpvContext (06cf34f)
• backend: Extract video rotation directly from MP4/MOV track headers and EXIF metadata (e49ae88)
• Add drag and drop support for files and folders with visual overlays (e0e722b)

Bug Fixes

• gui: Correct demo compilation state and search keybinding, add new website demo flows (97b271d)
• Respect EXIF orientation when generating image thumbnails (90f9c08)
• Rotate video frames in GPU shader to prevent playback freezing (30e6b6f)
• gui: Deactivate MPV player on exit and disable hardware decoding in software render context (adffe5e)
• backend: Coalesce video player commands during rapid navigation to prevent UI freezing (6bfe227)

Performance Improvements

• gui: Optimize video thumbnail rendering with parallel GPU-decoding worker pool (662a016)

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Developer Changes

Refactoring

• Decompose AppState into substructs with co-located behavior (68767bc)
• Do away with mod.rs files (e3d0f30)
• Remove leftover stub (8ce7acf)
• Remove leftover stub (7879d77)
• Replace unwrap calls with descriptive expect to document invariants (706eed1)
• Replace manual for-loops with iterator combinators and rayon (4a8906b)
• Replace remaining manual for-loops with iterator combinators (08f7c54)

Maintenance

• backend: Remove unused Vulkan prototype structs and dependencies (0c4e459)
• Prune unused dependencies from workspace crates (3ba941a)