CefSharp v86.0.240-pre

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CefSharp v86.0.240-pre Release Notes

• November 20, 2020, CEF 86.0.24+g85e79d4+chromium-86.0.4240.198 / Chromium 86.0.4240.198

  • CEF now supports the Chromium Network Service : If you are upgrading from a version prior to 75.1.x please make sure you read #2743.
  • Visual C++ 2015 or greater is required, see Notes below for more information

  🚑 ⚠️ Critical Security Update

  🚀 See https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.html
  There are no details available to the public yet

  • CVE-2020-16013
  • CVE-2020-16017

  Google is aware of reports that exploits for CVE-2020-16013 and CVE-2020-16017 exist in the wild.

  🔄 Change Log

  • ⚡️ Includes updated Chromium version which includes security fixes for CVE-2020-16013
    and CVE-2020-16017

  👀 For a complete list of changes see the 86.0.x Milestone.

  🍱 ℹ️ Notes

  • 🚀 CefSharp requires a minimum of Visual C++ 2015. See #1983 for details. You can bin deploy the VC++ dependencies, read the FAQ for more details. VC++ 2017/2019 are backwards compatible. For a list of files included in the packages see https://github.com/cefsharp/CefSharp/wiki/Output-files-description-table-%28Redistribution%29
  • ⚡️ Chromium has removed support for Windows XP, Windows Vista, Windows Server 2003 and Windows Server 2008. See https://chrome.googleblog.com/2015/11/updates-to-chrome-platform-support.html
  • 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
  • 🏗 Due to licensing issues default builds do not support proprietary codecs like H264/AAC, sites like Netflix/Twitter/Instagram/Facebook won't play video/audio. See #1479 for more info. MP3 audio is supported, MP4 video is not.
  • Anyone new to CefSharp should read the General Usage Guide
  • 👀 This project uses GitLink for better debugging, you can step directly into much of the project source directly from Visual Studio see #1680 for details on how to enable GitLink

  🍱 ⚠️ Known Issues

  • 🏁 WinForms when running on Windows 10 Anniversary pressing certain key combinations freezes the browser see #1822 The issue has been reported upstream, there are workarounds listed in #1822
  • 👀 Save as PDF is not working when viewing PDF with Print Preview enabled see https://bitbucket.org/chromiumembedded/cef/issues/2867/save-as-pdf-is-not-working-in-pdf-viewer
  • 💻 WPF touch scroll aborted if browser navigates within document https://bitbucket.org/chromiumembedded/cef/issues/2936/osr-touch-scrolling-initiated-by-touch
  • 🏁 Fonts incorrectly loaded on Win7 see https://bitbucket.org/chromiumembedded/cef/issues/2858/fonts-not-loading-look-wrong-on-windows-7
  • 👀 window.focus() does not bring popup window to front see https://bitbucket.org/chromiumembedded/cef/issues/2931/windowfocus-does-not-bring-the-window-to
  • 👀 OnProtocolExecution Page goes blank after link click see https://bitbucket.org/chromiumembedded/cef/issues/2715/onprotocolexecution-page-goes-blank-after
  • 🏁 Crash on Win10 when computer wakes from sleep see https://bitbucket.org/chromiumembedded/cef/issues/2924/crash-on-libcef-when-windows-10-wakes-from
  • Background colour cannot be override for popups see https://bitbucket.org/chromiumembedded/cef/issues/2482/background_color-cannot-be-overridden-for
  • 👀 WPF Browser goes blank if used in combination with TabControl see #2779
  • 👀 CefSettings.IgnoreCertificateErrors no longer works, use the ignore-certificate-errors command line arg as a workaround or alternatively use OnCertificateError to selectively allow a certificate and/or display a dialog to your users see https://stackoverflow.com/a/35564187/852806 for an example.
  • 👀 See https://bitbucket.org/chromiumembedded/cef/issues?status=new&status=open for other known issues
  • 👀 See https://github.com/cefsharp/CefSharp/issues?q=is%3Aissue+is%3Aopen+label%3Aknown-issue for other known issues

  🍱 ⚠️ Breaking Changes ⚠️

  • 👀 IPopupFeatures properties are now nullable see #3270 for details
  • 👀 DevToolsClient domain classes append Client suffic, see #3287

  ---

  • 👀 For Network Service API changes see #2743
  • 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 RequestContext you must ensure that RequestContextSettings.CachePath is equal to or a child of CefSettings.RootCachePath See #3111 (comment) for details
  • 0️⃣ Adobe Flash is disabled by default, it can be re-enabled if required #3048
    ⏱ (Flash support is scheduled to be removed from Chromium)
  • 👀 Migrating from ResourceHandler.GetMimeType to Cef.GetMimeType for mimeType mapping see #3041

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