v0.6.1Current
Pro 识别稳定性优化
- 优化 Pro 识别在少数极端情况下的语法兼容性，减少结果无法正常显示的问题。
Changelog
What’s new in Formula Bridge
A record of the features and experience improvements in major releases.
v0.6.0
Pro recognition and purchasing upgrade
- Pro recognition has been further improved, with permanent Pro credits now available to purchase.
- Lite recognition remains free and unlimited, with an improved way to earn Pro credits through invitations.
- Added an announcements page for viewing important feature and service updates at any time.
v0.5.9
性能与稳定性优化
- 提升页面加载速度与整体运行效率。
- 优化服务稳定性与识别体验。
v0.5.8
Recognition and editing improvements
- Added Smart Review for Lite recognition, using colors to indicate reliability and help identify potential errors.
- Formula Locator now supports either direction between formulas and source, with improved highlighting and automatic scrolling.
- Recognition images, formula source, and Smart Review information can now be restored after a refresh.
- Improved the editor toolbar, status messages, and interaction animations.
v0.5.7
兼容性与界面体验优化
- 优化部分功能兼容性与界面交互体验。
v0.5.6
Word 兼容性优化
- 提升 Word 公式复制和下载的兼容性。
v0.5.5
Formula input and export upgrades
- Added a handwriting canvas with touch-device input and formula import through recognition history.
- Added editable Word document downloads and improved Word formula compatibility.
- Improved copy and export actions for LaTeX, Word, and images.
- Automatically restores the last edited formula.
- Improved Pro recognition of mixed text and formulas, question choices, and multi-line structures.
v0.5.4
LaTeX symbol display fix
- Fixed an issue that prevented some LaTeX symbols from displaying correctly.
v0.5.3
Recognition and export improvements
- Added SVG export for downloading formulas as crisp vector images.
- When a Lite result appears invalid, you can retry with Pro using the original image.
- Improved Pro output compatibility for table-style formulas.
- Improved opening, closing, and scrolling of the common-symbol panel on mobile devices.
v0.5.2
公式预览加载优化
- 预渲染常用公式图标，提升页面加载与使用流畅度。
v0.5.1
Quota and referral improvements
- Improved the Pro quota display and calculation logic.
- You can now invite friends to register with an invite code, and both of you receive 10 permanent Pro recognitions.
v0.5.0
Formula locating and editing improvements
- Added formula locating so you can quickly find the corresponding LaTeX code from the preview and edit formulas more easily.
- Updated the Pro recognition model for better overall performance on complex formulas.
v0.4.2
安装与使用体验优化
- 支持将网站安装为应用（PWA）。
- 优化公式复制格式，提高 Word 的兼容性。
- 优化 MathJax 缓存，提升再次访问时的加载速度。
v0.4.1
前端问题修复
- 修复前端若干问题。
v0.4.0
网站体验全面升级
- 优化首页及公开页面的加载体验，打开网站更快、更流畅。
- 优化多语言页面、搜索引擎收录与页面展示。
- 新增品牌化错误页面，并更新网站图标等视觉细节。
v0.3.2
Recognition history improvements
- Recognition history now shows formula previews alongside the original LaTeX, making past results easier to find and edit again.
- Recognition history is now organized into pages of 10 items, with page numbers for quick navigation.
- Improved the display of long and invalid formulas for a more compact and readable history list.
v0.3.1
Browser extension and site experience improvements
- Improved homepage loading so the formula editor appears and becomes ready to use sooner.
- The browser extension page now provides version 0.1.4 packages for download.
- Improved installation instructions for Chromium-based browsers including Chrome, Edge, QQ Browser, and Quark Browser.
- Improved the extension installation guide and page presentation for clearer setup and usage instructions.
v0.3.0
Browser extension officially released!
- The browser extension is now officially released and available from the Chrome Web Store and Edge Add-ons.
- Added CRX, ZIP, and other package-based installation options for Chromium browsers including Chrome, Edge, QQ Browser, and Quark Browser.
- Improved extension installation guides, sign-in experience, and webpage formula import flows.
v0.2.10
Feedback and service pages
- Added feedback and contact pages for questions, suggestions, and contact options.
- Added a changelog for viewing Formula Bridge’s main feature updates.
- Improved the Privacy Policy, Terms of Use, and site navigation.
v0.2.9
Languages and extension sign-in
- The browser extension now supports Simplified Chinese, Traditional Chinese, and English, and follows the browser language by default.
- Your selected language is preserved when opening the website, signing in, and returning to the extension.
- Completed translations for extension titles, buttons, status messages, and instructions.
- Improved the post-sign-in connection flow and its status messages.
v0.2.8
Privacy information and store readiness
- Added a privacy policy explaining how account details, formula content, and recognition data are handled.
- The privacy policy is available in Simplified Chinese, Traditional Chinese, and English.
- Improved extension installation and sign-in for the browser store release.
- Unified branding and key action labels across the website and extension.
v0.2.7
Loading and web formula import improvements
- Added a loading placeholder matching the final interface for a smoother experience on slower networks.
- Improved the Copy to Formula Bridge button and formula import flow on webpages.
- The extension becomes available more reliably on pages that were already open after installation or an update.
- Made web capture and formula import error messages clearer.
v0.2.6
Formula Bridge browser extension
- Introduced the browser extension for importing supported webpage formulas in one click.
- Added area selection for recognizing formulas from webpage screenshots.
- Edit LaTeX, preview formulas, copy to Word, or export PNG directly in the extension.
- Added recognition history, light and dark modes, and a compact popup layout.
v0.2.5
Recognition and rendering reliability
- Fixed an issue that prevented some LaTeX content from rendering correctly.
- Improved Lite image recognition reliability across repeated runs and error recovery.
- Improved expired-session messages and the sign-in recovery flow.
- Corrected Pro recognition quota calculations and messages in edge cases.
v0.2.4
Time and record display fixes
- Fixed inconsistent recognition history and quota record times across time zones.
- Improved chronological sorting and display for history records.
v0.2.3
Improved Pro recognition quota experience
- Separated daily included quota from additional Pro recognition quota.
- Improved remaining and total quota displays for clearer usage information.
- Recognition quota is now restored correctly when a recognition attempt fails.
v0.2.2
Website access improvements
- Improved the reliability of pages and static resources.
v0.2.1
Search visibility and page information
- Improved website titles, descriptions, and public page information so Formula Bridge is easier to find through search engines.
v0.2.0
Pro recognition and plans
- Added a plans page to help users choose the right recognition mode.
- Added Pro recognition limits and remaining quota information.
- Added clearer sign-in guidance when Pro recognition is used while signed out.
- Unified the visual style of the editor, recognition tools, and plans page.
v0.1.5
Lite recognition loading improvements
- Improved how Lite local recognition resources load for a more reliable first launch.
- Reduced repeated recognition resource loading for more predictable waits on slow connections.
v0.1.4
Pro recognition and copy formats
- Added Pro image recognition for complex layouts and mixed text-and-formula content.
- Added progress and processing animations for clearer recognition status.
- Added inline, display, and Markdown code block LaTeX copy formats.
- Improved Pro recognition result messages and page layout.
v0.1.3
Recognition model and source image preview
- Upgraded the Lite recognition model for better results on complex formulas.
- Added a source screenshot preview for comparing recognition results.
v0.1.2
Mobile, guidance, and recognition improvements
- Improved the mobile editor layout and interactions.
- Added first-use guidance and a documentation entry point.
- Improved image preprocessing and the recognition model for better formula results.
- Added dedicated language URLs for Simplified Chinese, Traditional Chinese, and English pages.
v0.1.1
Lite recognition loading and interface improvements
- Added a Lite recognition loading state to make model preparation clearer.
- Improved the layout and guidance for the editor and image recognition entry point.
v0.1.0
First Formula Bridge release
- Upload or paste a formula screenshot and convert it into editable LaTeX.
- Added online LaTeX editing, live formula preview, and a common symbol palette.
- Added LaTeX copying, Word formula copying, and PNG downloads.
- Added account sign-in and recognition history so previous formulas can be revisited.