v1.5.0

[1.5.0]

• PureRef Integration: Complete PureRef support for managing reference images alongside video courses:
  • Badge Button: Each folder displays a "P" badge button in the top-right corner of its icon.
  • Status Indicator: Color-coded dot shows file status (Red: missing, Yellow: exists, Green: running).
  • Quick Access: Click the badge or folder icon to open the associated .pur file in PureRef.
  • Context Menu: Added "Open PureRef" option to folder context menu.
  • View Menu: Added "Show PureRef Badges" and "Show When Missing" toggles.
  • Settings Dialog: Added PureRef configuration section with browse button for PureRef.exe path and customizable reference filename (default: "reference.pur").

[1.4.11]

• Library UI: Enhanced tree navigation and visual hierarchy:
  • Tree Lines: Added T-shaped branch connectors for videos and folders, improving visual structure clarity.
  • Scrolling: Changed mouse wheel behavior to scroll by 1 row instead of 3 for precise navigation.

[1.4.10]

• Library UI: Added toggle for tree nesting lines visibility:
  • Menu: Added "Show Tree Lines" item in the View menu (after "Show Library").
  • Default: Tree lines are enabled by default.

[1.4.9]

• About Dialog: Reorganized hotkeys into 8 logical categories (Playback, Audio, Video, Bookmarks, Library, Window, System, Mouse) with visual separators.
• Tree Navigation: Added E (expand all) and W (collapse all) hotkeys and menu items.

[1.4.8]

• Library UI: Added horizontal separator lines below expanded folder items:
  • Visual Hierarchy: Lines connect with vertical nesting indicators to improve folder structure readability.

[1.4.7]

• OSD Toggle: Added user control for on-screen display notifications:
  • Menu Option: Added "Show OSD Notifications" toggle in the View menu (before "Show Library").
  • Default: OSD notifications are enabled by default.

[1.4.6]

• OSD System: Implemented a comprehensive, extensible on-screen display (OSD) notification system:
  • Playback Speed: Shows current speed (e.g., "Playback Speed: 1.5x") when adjusted via hotkeys or slider.
  • Volume Control: Displays volume level (e.g., "Volume: 75%") when changed.
  • Audio Tracks: Shows selected audio track name when switched.
  • Subtitles: Displays subtitle track selection or "Subtitles: Off" when toggled.
  • Audio Delay: Shows audio sync adjustment in milliseconds (e.g., "Audio Delay: +100 ms").
  • Screenshots: Confirms successful screenshot capture or displays error.
  • Markers: Shows confirmation when markers are added or deleted.
  • Play/Pause State: Displays "Paused" or "Playing" when toggling playback via Space or button click.
  • Always on Top: Shows "Always on Top: Enabled/Disabled" when toggling via hotkey or menu.
  • Zoom: Refactored existing zoom OSD to use the new centralized system.
  • Next/Previous Video: Shows video name when switching between videos (e.g., "Playing Next: video.mp4", "Playing Previous: video.mp4").

v1.4.5

[1.4.5]

• Always On Top: Added a toggle to keep the player window above all other windows:
  • Hotkey: Press T to toggle "Always on Top" mode.
• UI Refinement: Improved menu organization and information:
  • Moved Picture-in-Picture (PiP) toggle from the "Tools" to the "View" menu for better grouping.

[1.4.4]

• Library: Added "Locate Active Video" feature:
  • Hotkey: Press L to instantly scroll the library to the currently playing video.
  • Navigation: Automatically expands parent folders and reveals hidden video items.

[1.4.3]

• Library: Added a toggle for the library panel visibility:
  • Hotkey: Implemented Ctrl + L to show or hide the library panel instantly.
  • Menu: Added a checkable "Show Library" item in the

[1.4.2]

• Zoom OSD: Added on-screen display notification for zoom level changes:
  • Visual Feedback: Shows current zoom percentage (e.g., "Zoom: 150%" / "Масштаб: 150%") in the top-left corner of the video.

[1.4.1]

• Smoothing: Enabled antialiasing for perfectly round and smooth dots.
• Stability: Implemented float-based positioning (QRectF) to eliminate vertical jitter and "jumping" when switching frames during hover.

[1.4.0]

• Display: Implemented comprehensive High DPI support for sharp rendering on all displays (4K, laptops with scaling):
  • High DPI Scaling: Enabled native Qt scaling with PassThrough policy for perfect rendering on fractional scales (e.g. 125%, 150%).
  • Layout Precision: Refined image centering and sizing logic to ensure sharp, pixel-perfect alignment in the library view.

[1.3.9]

• Performance: Extensive memory optimization to reduce footprint
  • LRU Cache: Implemented LRU caching for video thumbnails (200 items) and hover previews (50 items), preventing unbounded RAM growth.
  • Pre-scaling: Thumbnails are now scaled to display size upon loading, significantly reducing memory usage per image.
  • Lazy MPV: The preview player instance is now initialized only on first hover and automatically destroyed after 10 seconds of inactivity to free resources.
  • Resource Limit: Reduced the MPV demuxer buffer for preview player to minimize memory consumption.

[1.3.8]

• Library UI: Overhauled folder nesting visualization:
  • Nesting Lines: Added vertical colored indicator lines to clearly show folder depth.
  • Path-based Coloring: Folders are now assigned stable, unique colors based on their file paths, making it easy to track a single folder's hierarchy visually.
  • Folder Endings: The indicator lines now form a visual corner (L-bracket) when reaching the last item in a folder.

[1.3.7]

• UI Enhancements:
  • Dynamic Progress Labels: Added color-coding for time labels on video thumbnails (Green for watched, Yellow for in-progress, Black for new).
  • Cleaned Layout: Removed redundant progress text lines under video titles to streamline the library view.

[1.3.6]

• Autoplay Settings: Added options to automatically start playback when switching to the next or previous video.

[1.3.5]

• Folder Images: Fixed cropping of folder cover images to correctly preserve aspect ratio (16:9).
• Progress Auto-Update: Progress bars for videos and folders now update automatically every 30 seconds during playback.
• Video Titles: Increased the text wrapping limit for video titles to 3 lines.

v1.3.4

[1.3.4]

• Taskbar Integration: Implemented Windows taskbar thumbnail buttons for playback control:
  • Added 5 interactive buttons: Previous Video, Rewind 10s, Play/Pause, Forward 10s, and Next Video.
  • Added real-time synchronization of the Play/Pause button icon with the player state.
  • Implemented a native event filter to handle button clicks directly from the taskbar preview.

[1.3.3]

• Search: Implemented a robust fuzzy search system:
  • Fuzzy Matching: Matches queries even with typos using SequenceMatcher.
  • Transliteration: Automatically converts queries between English and Russian layouts (e.g. "ghbdtn" -> "привет").
  • Word-level Matching: Matches queries independently of word order.
  • Integration: Works seamlessly across library items, tags, and markers.

[1.3.2]

• Library:
  • Markers are now displayed as a list under each video.
  • Added a button to toggle marker visibility.
  • Added search by markers.

[1.3.1]

• UI: Added a hotkey hint list to the "About" dialog.

v1.3.0

[1.3.0]

• Auto-Update: Implemented a comprehensive auto-update system using GitHub Releases

v1.2.7

[1.2.7]

• Availability Tracking: Implemented smart file availability tracking:
  • Scanner: Updated scan logic to mark missing videos/folders as unavailable instead of removing them.
  • Library: Filtered view to show only available items, preserving play history and tags for temporarily missing files.

[1.2.6]

• Audio Enhancements: Integrated professional audio processing tools:
  • Denoise: Added Noise Reduction with Standard and AI (arnndn) modes.
  • Compressor: Added Dynamic Range Compressor to normalize volume levels.
  • De-esser: Added specialized filter for reducing harsh sibilance.
  • Mono Mode: Added channel mixing to mono for single-speaker content.
  • Audio Delay: Implemented precision sync adjustment (+/- 50ms) with auto-repeat.
• UI/OSD: Improved visual feedback:
  • Added localized OSD notifications for audio tools and delay changes.

[1.2.5]

• Library Filter: Introduced dedicated filter buttons for Favorites and Tags in the search area.
• Tags Filter: Added a versatile multi-tag filtering system (OR logic) with persistent state and selection popup.

[1.2.4]

• Settings: Implemented Inactive Source support:
  • Control: Added checkboxes to library paths to easily toggle them as active or inactive.
  • Behavior: Inactive sources are hidden from the library view and excluded from scans, but their data is preserved.

[1.2.3]

• Folder UI: Major visual overhaul for course folders:
  • Statistics: Displays video count, total duration, watched duration, and percentage (e.g., "5 videos • 00:10:00 / 01:00:00 (16%)").
  • Progress Bar: Added a green progress bar below folder icons to visualize course completion.

[1.2.2]

• Feature: Added Course Statistics window:
  • Info: Displays detailed course information (video counts, time statistics).

[1.2.1]

• Performance: Completely rewrote preview thumbnails using libmpv (replaced FFmpeg QProcess):
  • Instant Previews: Reduced thumbnail generation latency from ~150ms to ~30ms.
  • Optimization: Implemented background MPV instance with keyframe seeking for immediate response.
  • Responsiveness: Significantly reduced debounce timer (25ms → 15ms) and post-seek delay.

[1.2.0]

• Picture-in-Picture (PiP): Implemented a robust floating video window mode:
  • Toggle: Switch to PiP via hotkey P (works in English and Russian layouts). Button removed from main player controls.
  • Window Control:
    • Resizable with aspect ratio enforcement (16:9).
    • Draggable by right-click anywhere on the window.
    • Close button appears on hover.

[1.1.3]

• Tags: Improved tag management in the context menu:
  • Added "Tags" submenu to quickly add or remove tags from videos.
  • Context menu items now display the tag's color.
• Favorites: Enhanced favorite management:
  • Added valid icons for "Add to Favorites" and "Remove from Favorites".

[1.1.2]

• Favorites: Added "Add to Favorites" functionality:
  • Toggle favorite status via context menu.
  • Added Heart icon (♥) to the top-left of video thumbnails.
• Tags: Implemented a comprehensive tagging system:
  • New Tags Dialog to create, assign, and delete custom tags with colors.
  • Tags are displayed as colored badges on video items.
  • Updated Search to support filtering by tag names.

[1.1.1]

• Library: Added marker counts to the video course list:
  • Displays the number of markers next to video resolution and file size with a 🔖 icon.

[1.1.0]

• Markers: Introduced a full-featured video marker system:
  • Visual Navigation: Added a floating Marker Gallery (G) with screenshots and high-legibility time badges.
  • Customization: Added support for 12 distinct marker colors.
  • Management: Full control with the new Marker Dialog: edit labels, adjust time with precision (+/- buttons), and manual time entry.
  • Quick Actions: Right-click markers in the slider or gallery to Edit or Delete instantly.

v1.0.9

[1.0.9]

• UI: Enhanced the Settings Dialog with comprehensive icon support:
  • Added custom icons for Add, Edit, Remove, Scan, Save, and Clear Data buttons.
  • Implemented status icons (Check, Fail, Upload, Download) for library path validation and dependency checks (FFmpeg/Libmpv).

[1.0.8]

• UI: Fixed window splitter behavior so the library panel is collapsible while the player panel behaves correctly.

[1.0.7]

• Feature: Added Seek Slider Hover Preview:
  • Moves mouse over the timeline to see a timestamp and video thumbnail from that moment.
  • Uses optimized FFmpeg background processing for fast updates.
  • Styled with a "plaque" (rounded dark background) for the timestamp for better readability.
  • Popup stays vertically anchored to the slider to prevent jitter.

[1.0.6]

• UI: Refined status bar flexibility and styling

[1.0.5]

• UX: Added "Open Directory" option to the video context menu to quickly access files in Explorer.
• UX: Added "Reset All Progress" option to the folder context menu to mark all videos in a folder as unwatched.
• UI: Standardized context menu iconography:
  • Added volume icons to the audio track submenu and its items.
  • Removed emojis from audio track/menu labels for a professional, system-consistent look.

[1.0.4]

• UI: Streamlined the player control panel by removing secondary action buttons:
  • Removed Reset Zoom, Take Screenshot, and Frame Step buttons.
• Tools Menu: Introduced a new "Tools" menu in the main window:
  • Relocated "Take Screenshot" and "Frame Step" actions to this menu.
  • Added status bar confirmation with a checkmark (✓) when taking a screenshot.

[1.0.3]

• Library: Added a search bar with real-time filtering:
  • Implemented recursive matching logic (shows parent folders for matching videos and all children for matching folders).
  • Blocked tree signals during search to preserve user-defined folder expansion states in the database.

[1.0.2]

• Hotkeys: Implemented a comprehensive, layout-independent hotkey system:
  • Added support for both English and Russian (Cyrillic) keyboard layouts.
  • Added dedicated hotkeys: Space (Play/Pause), F (Fullscreen), M (Mute), C (Subtitles), S (Screenshot), R (Reset Zoom), Z (Hold-to-Zoom).
  • Added precision controls: < / > (Frame step), [ / ] (Zoom).
• Multimedia Keys: Implemented truly global support for system multimedia keys (Play/Pause, Next/Prev Track, Stop, Volume Control).
• UX: Enabled key auto-repeat for all arrow keys, allowing continuous seeking, volume, and speed adjustment when keys are held down.
• Control: Multimedia keys and zoom hotkeys work globally, even when the application is not in focus.

[1.0.1]

• Navigation: Added "Next Video" and "Previous Video" buttons to the player controls.

v1.0.0

Release v1.0.0