* Implemented ML-based comic panel detection and a panel popup viewer.
* Optimized `ComicPanelDetector` for performance and memory efficiency.
* Optimized comic panel detection performance by introducing a dedicated single-thread dispatcher for ML tasks, replacing mutex-based synchronization.
* Refactored system UI handling and layout padding in `PdfViewerScreen`.
* Refactor `PdfViewerScreen.kt` by extracting components and logic into specialized files.
* replace hardcoded padding with dynamic header height and adjust IME layout logic
* Improve `PdfTextBox` interaction and visual consistency during zoom and pan.
* improve PDF text box dragging and scaling behavior across zoom levels
* optimize color scheme calculation using remember and expand text dimming coverage
* Implement in-app language selection and per-app language preferences.
* Improve PDF lock stability in `PdfVerticalReader`
* Implement "Preserve Image Colors" option for PDF themes
* Optimize TOC locate in ReaderDrawer
* Update library and home screen UI components
* smoother page turn animation in epub pagination mode
* Implement automatic page skipping for TTS when no text is found in PDF viewer
* Refine status bar handling and window insets across main screens
* Optimize ViewModel initialization and integrate AndroidX SplashScreen
* Move ComicPanelDetector to debug source set and introduce IPanelDetector interface
* Optimize TOC scrolling in PdfNavigationDrawerContent
* Bump version to 1.0.45(45)
* Updated `.gitattributes` to correctly vendor all files within the `libmobi` and `woff2` directories.
* Improved TTS chapter transition handling
* Improved TTS stability and chapter advancement in the EPUB reader.
* Implemented PDF metadata extraction for titles and authors using PdfiumCore in `MainViewModel` and `MetadataExtractionWorker`.
* Implemented support for interactive footnotes in the EPUB vertical reader.
* Added support for footnotes in the paginated EPUB reader.
* Implemented a customizable app theming system.
* Added support for app-wide contrast and text brightness customization in the "App Theme" option.
* option to adjust pull-to-chapter-change drag in the EPUB vertical reader under visual options.
* Updated `PdfViewerScreen` to replace the standalone full-screen toggle with a more comprehensive "Visual Options" system UI management tool.
* Added translation using Weblate (Turkish)
* Translated using Weblate (Turkish)
Currently translated at 36.5% (252 of 689 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/tr/
* Translated using Weblate (Turkish)
Currently translated at 45.1% (311 of 689 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/tr/
* Added translation using Weblate (Arabic)
* Translated using Weblate (Arabic)
Currently translated at 10.1% (70 of 689 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/ar/
* Added translation using Weblate (German)
* Translated using Weblate (German)
Currently translated at 52.1% (359 of 689 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/de/
* Translated using Weblate (Arabic)
Currently translated at 73.4% (506 of 689 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/ar/
* Translated using Weblate (Arabic)
Currently translated at 100.0% (689 of 689 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/ar/
* Added translation using Weblate (Hindi)
* Added translation using Weblate (Portuguese (Brazil))
* Translated using Weblate (German)
Currently translated at 99.5% (687 of 690 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/de/
* Translated using Weblate (Portuguese (Brazil))
Currently translated at 10.4% (72 of 690 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/pt_BR/
* Translated using Weblate (Turkish)
Currently translated at 78.2% (540 of 690 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/tr/
* Added translation using Weblate (Spanish)
* Translated using Weblate (Spanish)
Currently translated at 8.8% (61 of 690 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/es/
* Translated using Weblate (Arabic)
Currently translated at 100.0% (690 of 690 strings)
Translation: Episteme/strings
Translate-URL: https://hosted.weblate.org/projects/episteme/strings/ar/
* Added translation using Weblate (French)
---------
Co-authored-by: Cabbar Hayıroğlu <halil48efe@gmail.com>
Co-authored-by: Kara Pisicik <noircat43@gmail.com>
Co-authored-by: Eyad alkordy <waeleyad248@gmail.com>
Co-authored-by: Otto Zumkeller <ottozumkeller@gmail.com>
Co-authored-by: Silent Coder <silentcoder@tutamail.com>
Co-authored-by: Enrico Ferrer <mathferrer17ea@gmail.com>
Co-authored-by: Br0t <travelty.thigh614@passmail.net>
Co-authored-by: faab <fa4b@tuta.io>
* Added support for AI and Cloud credits in the Pro flavor.
* Implemented credit-based authentication and authorization for AI features and Cloud TTS.
* Updated AI feature access and purchase handling to a credit-based system.
* Refactored and enhanced the Text-to-Speech (TTS) system with persistent caching and a redesigned UI.
* Improved TTS cache management by organizing audio files by book title and adding a detailed cache storage UI.
* Refactored the TTS service to use a WebSocket-based Gemini Live connection for cloud audio generation.
* Removed the TTS cache settings tab and simplified voice sample playback by removing local caching logic.
* Implemented a low-latency streaming mechanism for Cloud TTS using a custom `ConcurrentInputStream` and `ExoPlayer` data source.
* Improved cloud TTS stability and prefetching logic in `TtsService` and `TtsPlaybackManager`.
* Implemented AI summarization caching and cost tracking in the EPUB reader.
* Enhanced chapter summary caching and UI feedback.
* limit summaries for pro users to 10 per day
* Implemented local caching for Cloud TTS audio chunks.
* Removed the Free tier tab from `ProScreen` and simplified the subscription interface. Updated tab logic to focus on Pro and Credits, including a new cost breakdown section for AI and Cloud TTS features.
* Refactored HTML parsing to include all child nodes during content chunking and semantic block parsing.
* Improved image rendering consistency in epub pagination reader
* Improved HTML parsing in `HtmlParser.kt` to better handle complex nested structures
* Improved CSS styling support in the epub paginated reader for word spacing and text decorations.
* Implemented scroll throttling in `epub_reader.js` to improve performance during scroll events
* Improved CFI resolution and scrolling reliability in EPUB reader
* Optimized PaginatedReader performance by caching text decorations.
* Implemented batching for recent file database operations to handle large datasets and introduced `RecentFileSummary` to optimize data retrieval by excluding heavy JSON columns.
* Improved navigation stability by wrapping `navController.navigate` and `popBackStack` calls in a try-catch block to handle `IllegalStateException` during concurrent transitions. Additionally, refined the backstack check for the main route to prevent redundant pops.
* feat(tts): redesign TTS controls with overlay UI and cache management
* Expanded and improved the TTS (Text-to-Speech) capabilities, particularly for Cloud voices.
* Improved TTS playback control and cache management.
* Integrated the TTS cache manager into the settings sheet and improved the TTS configuration UI.
* Updated `DeviceVoicesTab` to respect the current TTS mode, disabling voice selection when not in `BASE` mode.
* Improved error handling and state management for Cloud TTS in `TtsService` and `TtsPlaybackManager`.
* Improved TTS voice selection UI and sample playback logic.
* Updated `TtsUtils` and `TtsService` to remove `chunkIndex` from TTS cache filenames. Refined the cache file naming convention to rely on text and speaker hashes, and updated the cache file filter logic to correctly identify speakers in both legacy and new filename formats.
* Optimized tile rendering and state propagation in PDF viewer
* Added "Expand All", "Collapse All", and "Locate" functionality to the Table of Contents in both EPUB and PDF readers.
* Added sign-in requirement for credit purchases and improved purchase migration logic.
* Updated `EpubReaderTts` to support authenticated TTS requests by passing an auth token provider. The `ttsController.start` method now includes an `authToken` retrieved via `getAuthToken` and explicitly sets the `playbackSource` to "READER".
* feat(ai): replace summarization popup with a comprehensive AI Hub Bottom Sheet
* Improved locator logic and block traversal in `BookPaginator`.
* Updated AI features and Cloud TTS logic.
* Added manual clear and auto-reset functionality for AI summaries and recaps
* Optimized file importing, EPUB parsing, and TTS playback concurrency.
* Restricted TTS mode to BASE in OSS flavor and fixed TTS mode persistence in PDF viewer
* Bump version to 1.0.43(44)
* Refactored the EPUB reader to use localized string resources instead of hardcoded strings across multiple components.
* Refactored the PDF viewer and annotation components to use centralized string resources instead of hardcoded text.
* Updated `strings.xml` with extensive translation hints and localization metadata.
* Optimized PDF tile rendering performance and quality.
* Added support for adjusting TTS voice speed and pitch.
* Updated the TTS settings UI and playback logic to support real-time parameter adjustments.
* Added horizontal scrolling to the PDF viewer bottom toolbar and updated tool arrangement to use fixed spacing.
* Refined cross-page selection and text extraction in `PaginatedReader`
* Updated EPUB reader styling logic to refine typography and layout controls.
* Bump version to 1.0.42(43)
* Improved local folder sync and file management by migrating sidecar metadata to a dedicated subfolder and enhancing book ID stability.
* Optimized folder sync and increased synced folder limits.
* Added support for managing active tabs in the `HomeScreen`.
* Added support for strict file type filtering when picking documents.
* Added a "Remove Edge Padding" option in "Visual Options"
* Added support for paragraph gap settings in the EPUB vertical reader.
* Added support for adjustable paragraph gaps in the paginated reader.
* fix(epub-pagination): ensure custom fonts override embedded epub fonts
* feat(epub): allow overlapping highlights and resolve gesture selection conflicts
* Added support for ODT and FODT file formats.
* Improved `OdtParser` to support enhanced document formatting and external assets
* Added support for viewing CSV, TSV, JSON, XML, logs, and source code files by dynamically converting them to HTML.
* Improved navigation and search result highlighting in the EPUB reader
* refactor: implement JIT chunk restoration for robust navigation
- Fixes search and bookmark navigation failing in same-chapter transitions.
- Introduced JIT (Just-in-Time) HTML restoration in `epub_reader.js` to
re-populate virtualized chunks before CFI resolution or search scrolling.
- Synchronized search highlighting and user highlights within
newly-restored chunk segments.
- Improved search navigation accuracy by mapping occurrences to
relative chunk indices.
* Implemented a custom text selection engine for the paginated EPUB reader to support cross-page selection and improved handle interaction.
* Implemented management of external file behavior and improved library filtering.
* Added support for toolbar customization in the EPUB reader.
* Added support for toolbar customization in the PDF reader.
* fix: rendering during auto-scroll and navigation on long pages
* Added a "Scroll to Top" feature to the auto-scroll controls in both EPUB and PDF readers.
* Updated folder synchronization logic and redesigned the file type filter dialog.
* Fixed CFI generation and navigation stability in the EPUB reader.
* Improved CFI scrolling and position calculation in the EPUB reader by implementing text node traversal using `TreeWalker`. This ensures accurate positioning and scrolling when a CFI offset spans multiple fragmented text nodes.
* fix fb2 multiline titles, retain footnotes, and prevent stream leaks
- Fix FB2 titles with multiple paragraphs by inserting breaks/spaces
- Prevent resource leaks by properly closing InputStreams in all importers
- Retain "notes" and "comments" sections in FB2 instead of skipping them
- Add support for FB2 poem, stanza, cite, and link tags
* Implement persistence for zoom and pan states when pan lock is enabled in the PDF reader.
* Added `FileTypeBadge` to home and library screens
* Bump version to 1.0.41(42)
