Issues

• Feature request: Add OnBeforeResourceResponse callback to CefResourceRequestHandler (response-side counterpart to OnBeforeResourceLoad)

  enhancement
  chromiumembedded/cef#4288 · Filter by author dreamanlan opened on Sep 26, 2026
  1

• OSR (Windows): characters whose low byte is 0x08 or 0x1B are dropped (e.g. Cyrillic Л, Ј, Czech ě) since Chromium 148

  bug
  chromiumembedded/cef#4282 · Filter by author kin4stat opened on Sep 24, 2026
  1

• Linux: Frameless Views windows request server-side decorations on Wayland

  linux
  chromiumembedded/cef#4273 · Filter by author swarogan opened on Sep 13, 2026

• linux: osr: Prefer native-handle SharedImages for shared-texture OSR (NVIDIA)

  has fixlinuxosr
  chromiumembedded/cef#4237 · Filter by author krissedout opened on Aug 6, 2026
  1

• WebUI toolbar crashes with kWebUIToolbarProcessOverheadExperiment enabled

  bugchrome-style
  chromiumembedded/cef#4225 · Filter by author dreamanlan opened on Jul 27, 2026
  1

• Expose menu item icons through CefMenuModel

  enhancement
  chromiumembedded/cef#4205 · Filter by author rmorse opened on Jun 28, 2026
  1

• Add support for KillOnInvalidNavigationHeaders feature (M149+)

  enhancement
  chromiumembedded/cef#4177 · Filter by author magreenblatt opened on May 14, 2026
  1

• OSR OnPaint intermittently returns visually incomplete frame after JS-ready and Invalidate with external begin frame

  osr
  chromiumembedded/cef#4166 · Filter by author L0stInFades opened on Apr 28, 2026
  7

• win: Crash destroying parent window while modal alert is visible

  alloy-stylebugwindows
  chromiumembedded/cef#4146 · Filter by author EricPRHC opened on Mar 30, 2026
  3

• Linux: cefclient run with --use-native, inputs don't reliably receive focus

  alloybugcefclientlinuxnative
  chromiumembedded/cef#4143 · Filter by author drc-jharrington opened on Mar 27, 2026
  1

• pushManager.subscribe() (Push Notifications) not working with GCM disabled.

  bug
  chromiumembedded/cef#4138 · Filter by author arteves opened on Mar 25, 2026
  2

• windows: File Selection Dialog filter should default select "Custom Files" option

  enhancementwindows
  chromiumembedded/cef#4132 · Filter by author c-harding opened on Mar 18, 2026
  1

• Windows 11 - Password gets visible in IME popup for Chinese input

  bugosrwindows
  chromiumembedded/cef#4127 · Filter by author AlexG-Uhlmann opened on Mar 16, 2026

• Support maintaining header order when changing headers in CefRequest

  enhancement
  chromiumembedded/cef#4124 · Filter by author AtomicNibble opened on Mar 11, 2026
  2

• cefsimple: alloy: Incorrect DCHECK when opening Chrome style browsers

  alloy-stylebugSampleApps
  chromiumembedded/cef#4106 · Filter by author masnagam opened on Feb 20, 2026
  8

• Add callback for downloads that outlive their associated CefBrowser

  enhancement
  chromiumembedded/cef#4103 · Filter by author krispyfries opened on Feb 18, 2026
  3

• Add handling for browsers created via Notifications Clients.openWindow()

  enhancement
  chromiumembedded/cef#4100 · Filter by author aKoheiNakamichi opened on Feb 13, 2026
  5

• osr: win: PDF Zoom shortcuts not working

  bugcefclienthelp wantedosrwindows
  chromiumembedded/cef#4089 · Filter by author greg-churchillnavigation opened on Feb 4, 2026
  2

• osr: Add support for video playback status notification

  enhancement
  chromiumembedded/cef#4076 · Filter by author csmoe opened on Jan 21, 2026
  1

• Unix/X11: DestroyNotify not handled

  linuxnativeproposal
  chromiumembedded/cef#4071 · Filter by author metux opened on Jan 20, 2026
  2

• osr: windows: Chinese IME position issue with multi-threaded-message-loop

  bughelp wantedosrwindows
  chromiumembedded/cef#4070 · Filter by author zjq609177738 opened on Jan 15, 2026
  2

• Allow C++23 features in CEF binary distribution code

  blockedDistributionenhancement
  chromiumembedded/cef#4062 · Filter by author magreenblatt opened on Jan 1, 2026
  4

• Linux, Wayland uses very old Google Chrome decoration

  enhancementlinuxviews
  chromiumembedded/cef#4061 · Filter by author fabiscafe opened on Dec 24, 2025
  9

• OnTextSelectionChanged doesn't work in PDFs

  bughelp wantedosr
  chromiumembedded/cef#4060 · Filter by author JBetz opened on Dec 18, 2025

• win: native: Scaling factor is incorrect on external monitor after coming back from hibernate

  bugnativewindows
  chromiumembedded/cef#4054 · Filter by author antal-foldi-work opened on Dec 11, 2025