* Feat: AI supports separate reasoning content with collapsible thinking UI * Feat: Background image fit mode with cover and stretch options * Feat: Toggle action button labels visibility in selection menu * Feat: Background image blur and opacity controls * Feat: Start TTS from selected text * Feat: Click to pause/resume TTS playback * Feat: Floating action button for quick TTS controls * Feat: Ctrl+[ and Ctrl+] page turning shortcuts on macOS * Feat: AI Provider Configuration Center (OpenAI, Claude, Gemini) * Feat: Multiple API keys per provider with round-robin rotation * Feat: Resizable AI panel with position settings * Feat: Quick model switcher in AI chat * Feat: Independent margins and font size for header/footer reading info * Fix: Migrate legacy Microsoft translation to Azure API * Fix: Background image effects not applying * Fix: Crash when theme color is null/invalid * Fix: TTS type selection not working * Fix: Incorrect reading position after modifying pitch/rate * Fix: Unable to use AI for full-text translation * Fix: Type cast error when using Gemini AI with tools * Fix: Images with large max-width overflowing column width * Fix: Epub heading color not following theme color * Fix: Show full chapter titles in TOC with text wrapping

Feat(tts): Add Aliyun TTS support with access key auth and auto endpoint Feat(tts): Add Aliyun voice list and descriptions Feat(reader): Add code syntax highlighting with 12 themes, 60+ languages Fix(reader): Change default auto-translate selection setting to disabled Feat(reader): Add heading font size adjustment slider Feat(reader): Add customizable column threshold for auto single/double column switching Feat(reader): Add glassmorphism history navigation capsule in reader Feat(reader): Support manual control of history navigation visibility (no auto-hide) Feat(reader): Support manually selecting and remembering day/night background image preference Feat(reader): Support custom page turn area configuration with 3x3 grid Feat(reader): Add "Use Book Styles" toggle to preserve original book styling Feat(reader): Add toggle for mouse hover menu display at top/bottom edges Feat(reader): Add mouse wheel zoom support for image viewer Feat(bookshelf): Support displaying book title and author on default cover with responsive scaling Feat(ai): Support unlimited custom AI prompts with horizontal scrollable quick access Feat(ai): Support toggling AI panel position between right side and bottom in large screen mode Feat(sync): Add comprehensive WebDAV test (create, upload, download, delete) for connection validation Feat(window): Support window position and size memory on macOS Feat(import): Use original filename when book metadata title is missing or invalid Feat(import): Add detailed error message display for failed book imports with info dialog UI(reader): Optimize reading history navigation button design Fix(reader): Fix image loading issue in non-standard EPUBs with missing manifest entries Fix(reader): Fix AI quick prompt chips overlapping issue Fix(reader): Fix PDF files with invalid TOC destinations failing to open Fix(reader): Fix reading info center alignment in header and footer Fix(reader): Fix search results scroll position not being preserved when returning from a result Fix(reader): Fix font-size adjustment not working for CSS keyword values (medium, large, etc.) Fix(statistics): Fix reading progress not being saved when opening books from continue reading tile Fix(sync): Fix WebDAV sync showing multiple direction selection dialogs Fix(ai_services): update Gemini service URL and model version Fix(bookshelf): Fix replace book file feature not converting TXT files to EPUB before replacement Fix(import): Enhance EPUB cover extraction with fallback strategies for non-standard formats Fix(bookshelf): Fix stacked view showing sharp corners when cover width is narrow

Feat: Support "No Tag" filter in books filter menu Feat: Support select to mark Feat: Support setting whether to automatically hide the bottom navigation bar on the home page Feat: Support using Azure TTS service for narration Feat: Support previewing synthesized voice models Feat: Optimize online TTS narration stability Feat: In scroll page mode, you can turn pages across chapters by dragging up and down Feat: macOS data path migration to Application Support with automatic data transfer Fix: fix the issue of missing context menu when selecting across pages on iOS Fix: Fix app crash when disabling AI on home page Feat: Support auto select day/night background image Feat: Support group day/night background Feat: Support replacing book file (maintaining reading progress and notes) UI: Optimize part of the interface design

Feat: Choose bookshelf folder style (2x2 grid/stacked) Feat: Optimize widow/orphan line display (allow single line content to be displayed when there is a large maining space on the previous page) Feat: AI can add tags to books, change bookmark colors, etc. Feat: Support custom tag colors Feat: Support adding tags to books Feat: Support filtering books by tags Feat: Support filtering books by reading progress Feat: When backing up/restoring, support cross-platform backup/restore (need to use the new version of the p for backup and restore) Feat: When exporting notes, you can sort by chapter order or time order Feat: When viewing notes, you can remember the last sorting method Feat: When exporting notes, you can choose whether to merge note titles from the same chapter Feat: Support managing whether AI tools are enabled Feat: Localized titles when AI calls tools Fix: Fix the issue where preference settings could not be correctly restored when restoring from backup in me cases (need to use the new version of the App for backup and restore) Fix: Reduce cache usage on iOS devices Fix: Files can be imported through the "Open With" option Fix: When displaying tags, they can be displayed in order UI: Optimize part of the interface design

Feat: More data display in the statistics interface Feat: Statistic data display blocks support sorting, adding, and removing Feat: Statistic data display blocks support clicking to open the back side Feat: Translation can leverage context for more accurate understanding and expression Feat: Add haptic feedback Feat: More granular reading data statistics Fix: Smoother page turn animation Fix: Optimize context menu styles Fix: Reading time statistics accuracy issue Fix: Abnormal underline display issue Fix: Optimize txt file chaptering rules UI: Optimize part of the interface design

Feat: Directory interface is displayed as a drawer from the side Feat: AI output can be more easily selected and copied Feat: In vertical layout, optimize the quotation mark style Fix: Fix the issue where external links could not be opened Fix: Fix the issue of abnormal indentation Fix: The issue of being unable to adjust paragraph spacing in some files Fix: Optimize the timing of context menu popup and close Fix: The issue where the table of contents could not locate the current chapter Fix: Optimize TTS function to improve performance in unstable network environments (experimental) Fix: Optimize image size display Fix: Optimize txt file chaptering rules to improve chapter title recognition rate Fix: The issue where some files could not be paginated correctly Fix: The issue where the page turn position may be inaccurate during TTS Fix: Optimize the display effect of boundaries Fix: Optimize the display effect of images as footnotes Fix: Optimize timer logic to improve the accuracy of reading progress recording Fix: Ensure that notes deleted in the note list are synchronously updated in the reading interface Fix: The issue where AI reply content could not be read sometimes Fix: The issue of inaccurate click position recognition Fix: Context menu adaptation for vertical layout Fix: Optimize the issue of abnormal display after some style adjustments UI: Optimize part of the interface design

Feat: On touch devices, a long press is required to open images Fix: Fix the issue where iOS26 devices cannot turn pages by touch Fix: Optimized indentation display effect, fixed the issue where indentation caused abnormal image sitioning Fix: Fixed the issue where text output by AI could not be read after copying UI: Optimized part of the interface design

Feat: Add AI page in navigation bar Feat: AI can draw mind maps and organize bookshelf Feat: View AI chat history Feat: AI can call tools to assist in answering Feat: Add AI tools, AI can call tools such as note search, bookshelf lookup, ading history to assist in answering Feat: Enhance AI chat streaming with cancellation support Feat: Optimize the interface design of the thinking model Feat: On touch devices, a long press is required to open images Feat: Optimize the interface design of chapter summaries Feat: Adjustable width for AI chat panel Fix: Fix the issue of some AI services loading indefinitely Fix: The bottom details on the bookshelf page sometimes do not work when clicked Fix: Gemini model cannot be used Fix: Fix the issue of blank content not updating after modifying underline notes UI: Optimize part of the interface design

Feat: Custom txt chaptering rules Feat: Search books or notes Feat: Menu bar does not close after jumping to chapter Feat: Add more hints to help understand features Feat: Optimize Windows Touch Experience Fix: Underline style highlights do not display correctly in vertical mode Fix: Inappropriate sentence segmentation during TTS reading Fix: TTS skips annotation markers during reading Fix: Table of contents supports locating the current chapter Fix: Some interface elements overflow in certain cases Fix: Abnormal generation of txt file directory Fix: Crash when restoring backup Fix: Fix some AI services not working issues Fix: Optimize full-text translation effect UI: Optimize part of the interface design

Feat: TTS can be configured to play together with other audio Feat: Support swapping page turn area Feat: Support full-text bilingual translation Feat: Support translation only mode Feat: Support book-specific translation settings Feat: Support sharing book files Feat: Support text alignment settings Feat: Translation language follows app interface language Fix: Improved garbled text detection in txt file encoding handling Fix: Issue with WebDAV initialization Fix: Fix multiple tools bar L10n: Add literally Chinese, Spanish, French, Italian, Japanese, Korean, rtuguese, Russian UI: Optimize part of the interface design

UI: Modify bottom navigation bar style Feat: Import previously deleted files and automatically associate notes, progress, etc. Feat: Support preventing duplicate file imports Feat: Support calculating feature values of existing files to prevent duplicate imports Feat: Support custom CSS styles Fix: Fix sync failure when WebDAV is empty

Feat: Support following book indentation Feat: Support choosing whether to enable auto-sync Feat: Add a guide page for first-time users Feat: Show update log after updating Feat: Support restoring old versions from history after downloading and overwriting the local database om remote Fix: WebDAV configuration changes now take effect immediately after saving Fix: Improved sync logic to replace the current database only after confirming the integrity of the new tabase Fix: Preserve historical versions when replacing the local database Fix: files with uppercase extensions could not be imported Fix: Fixed issue where user notes were lost after changing highlight style Fix: Fixed issue where PDF files could not be imported

Feat: Support locating the current chapter in the table of contents Feat: Custom page header and footer position Feat: Support displaying page numbers in the table of contents Feat: Support running JavaScript in books Feat: Support pull up to exit reading page Feat: Support adding bookmarks by pulling down Feat: Support opening the menu bar by pulling up Feat: Support adding/removing bookmarks via the bookmark button Feat: Show bookmark list in the table of contents page Feat: Support deleting the current bookmark by pulling down Feat: Support choosing whether to display bookmarks when filtering Feat: Display book name in two lines Feat: Add two background image in share card Feat: Opening a book from the note list will not record reading progress Fix: Fix inaccurate click position recognition in vertical scroll layout

Feat: Support AI translation and dictionary Feat: Support setting DeepL URL Feat: Show data update time while choosing sync direction Feat: Add Crimean Tatar translation support Feat: Support modifying the original text content in the note editing diaglog Feat: Support import books via share Fix: adjust margin icons in style settings Fix: TTS may get stuck on punctuation Fix: Fix garbled text when importing some TXT files Fix: Fix excessive spacing between some file segments UI: Update background and button styles in BookDetail Fix: Fix inaccurate click position in pdf files Fix: Fix issue where short TXT files cannot be imported Fix: Fix DeepL translation error

Feat: iOS dark and tinted icons Feat: Custom reading background image Feat: Import any custom reading background Feat: Custom writing direction(Horizontal, Vertical) Fix: WebDAV sync may override cloud data(#274) Fix: TTS may stop when encountering some punctuation(#291) Fix: Hide scrollbar in scroll mode Fix: Vertical margin prompt is not clear in vertical mode Fix: Click position cannot be recognized in vertical mode Fix: WebDAV sync may override cloud data with special characters Fix: Reduce TTS reading interval time Fix: Some interfaces are difficult to identify in E-ink mode Fix: Book status icon not updated after releasing space Fix: WebDAV sync error Not Found and Conflict

Fix: Can't open book note list in some cases Fix: WebDAV sync show Not Found Fix: Context menu is difficult to distinguish in e-ink mode

Feat: Cache in-app purchase status Feat: Name a group Feat: E-ink mode Feat: Add more translation service Feat: Edit notes in list Feat: Download all books Feat: Download remote files on demand Feat: Release local space Feat: Add share excerpt card Feat: Notes in list can be shared as cards Fix: Sort menu sometimes fails to open Fix: WebDAV Unauthorized Fix: Optimize book opening speed Fix: Touchpad cannot scroll Fix: Online TTS when network exception, it will stop reading

Feat: Import pdf files Feat: Sort books Feat: More available fonts Feat: Delete reading records of a book Feat: Add webdav sync direction dialog Feat: Add font delete Fix: Webdav sync aborted dialog content Fix: if webdav is empty, sync will upload Fix: avoid image following paragraph indent Fix: optimize book loading speed Fix: sync custom book cover

Feat: Storage space management Feat: Add auto translate selection switch in translate settings Feat: Handle txt files with failed chapter division by word count Feat: Import txt file with utf-16 or utf-32 encoding Feat: recover system TTS Fix: TTS cannot play after resume from background Fix: TTS cannot play when encountering images or cross-chapter Fix: System TTS continuous backward movement Fix: Copy translated text instead of original text Fix: Cross-segment highlight cannot be displayed immediately

Feat: add link icon Feat: AI chat regenerate and copy Feat: TTS integration Feat: Reading info custom Feat: Navigation bar custom Feat: Sync completed toast Fix: Some old versions of Webview cannot import books Fix: Footnotes cannot be displayed on some devices Fix: Image as link cannot be clicked Fix: Reading information does not follow style changes Fix: First line indent affects images Fix: Context menu position error when it exceeds the screen Fix: some device cant open footnote Fix: blank screen after resume from background Fix: note input box may be covered by keyboard Fix: txt file with special characters cannot be imported

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