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| Name | Modified | Size | Downloads / Week |
|---|---|---|---|
| Parent folder | |||
| README.md | 2025-08-23 | 3.8 kB | |
| v139.0.280 source code.tar.gz | 2025-08-23 | 1.8 MB | |
| v139.0.280 source code.zip | 2025-08-23 | 2.3 MB | |
| Totals: 3 Items | 4.1 MB | 0 | |
August 23, 2025, CEF 139.0.28+g55ab8a8+chromium-139.0.7258.139 / Chromium 139.0.7258.139
- ⚠️ Microsoft Visual C++ 2022 Redistributable is required. A minimum of
VC++ 2022is required, higher versions are backwards compatible. For those upgrading from a previous version which only requiredVC++ 2019 minimumsee https://github.com/cefsharp/CefSharp/issues/4640 for some guidance. - VC++ 2022 is now required [#4640]
- NetCore upgrade minimum version to .Net 6.0 [#5128]
:white_check_mark: Change Log
For a list of CefSharp specific changes see the 139.0.x Milestone. See also Release Notification.
⚠️ Breaking Changes
- Core - Cancel pending tasks when browser crashed or v8 context gets released [#5145]
ℹ️ Notes
- You can bin deploy the
Visual C++dependencies, read theFAQfor more details. - For a list of files included in the packages see Output files description table (Redistribution) Wiki
- Due to licensing issues default builds do not support proprietary codecs like
H264/AAC, sites likeNetflix/Twitter/Instagram/Facebook/Spotify/Apple Musicwon't play video/audio. See [#1479] for more info.MP3audio is supported, playingMP4files are not supported. - Anyone new to
CefSharpshould read the General Usage Guide - This project uses Microsoft SourceLink for better debugging, you can step directly into much of the project source directly.
:x: Known Issues
- See https://github.com/cefsharp/CefSharp/issues/4795#issuecomment-2241756717 for some of the known issues after migrating to the
Chrome bootstrap. - See https://github.com/chromiumembedded/cef/issues for other known issues
- See https://github.com/cefsharp/CefSharp/issues?q=is%3Aissue+is%3Aopen+label%3Aknown-issue for other known issues
- 🛑 Upgrading from Alloy Bootstrap to Chrome bootstrap ignore cookies from the previous version as the encryption keys are likely different. See [#4847] for possible workaround
- CEF now supports the Chromium process singleton, this brings with it changes to how
CachePath/RootCachePathare accessed from multiple processes. See [#4668] for more details - All paths (CachePath, BrowserSubProcessPath, etc) must be absolute paths, if using a non-absolute path an exception will be throw. See [#3102] for details.
- When using a
RequestContextyou must ensure that RequestContextSettings.CachePath is equal to or a child of CefSettings.RootCachePath See https://github.com/cefsharp/CefSharp/issues/3111#issuecomment-629713608 for details - Starting in June 2019 Google will block logins from CEF based browsers to Google Services, this includes Gmail, Drive, Docs, see https://security.googleblog.com/2019/04/better-protection-against-man-in-middle.html?m=1 for further discussion see https://groups.google.com/a/chromium.org/d/msg/embedder-dev/STyM5ZNTHMM/POj1v_cqBgAJ
WPFthe browser stops redrawing when running onIntel Iris Xe Integrated GPU(11th Gen).Intelhave released an updated driver, see https://www.intel.com/content/www/us/en/support/articles/000058136/graphics/graphics-for-11th-generation-intel-processors.html See https://github.com/dotnet/wpf/issues/3817 for workaround if you are unable to install the updated driver.