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Release Notes Published
Note: This is a beta release. Please file new issues for any bugs you find in it.
This release is published to npm under the beta tag and can be installed via npm install electron@beta
, or npm install [email protected]
.
# Release Notes for v12.0.0-beta.1
Features
- Added 'resized' (Windows/macOS) and 'moved' (Windows) events to BrowserWindow. #26216 <span style="font-size:small;">(Also in 11)</span>
- Added APIs to enable/disable spell checker. #26276
- Added Serial API support. #25237
- Added
BrowserWindow.isTabletMode
API. #25209 - Added
displayFrequency
to theDisplay
object to allow getting information about the refresh rate on Windows. #26472 - Added
net.online
for detecting whether there is currently internet connection. #21004 - Added
osProcessId
/name
properties towebFrameMain
. #26093 - Added
powerMonitor.onBatteryPower
. #26494 - Added
session.setSSLConfig()
to allow configuring SSL. #25461 - Added
webContents.forcefullyCrashRenderer()
to forcefully terminate a renderer process to assist with recovering a hung renderer. #25580 <span style="font-size:small;">(Also in 11)</span> - Added
webFrameMain
API for accessing sub-frames of aWebContents
instance from the main process. #25464 - Added
webPreferences.preferredSizeMode
to allow sizing views according to their document's minimum size. #25874 - Added a
disabledCipherSuites
option toSession.setSSLConfig
. #25818 - Added a new "credentials" option for
net.request()
. #25284 - Added a new asynchronous
shell.trashItem()
API, replacing the synchronousshell.moveItemToTrash()
. #25114 - Added new
app.runningUnderRosettaTranslation
property to detect when running under rosetta on Apple silicon. #26444 <span style="font-size:small;">(Also in 11)</span> - Added new
system-context-menu
event to allow preventing and overriding the system context menu. #25795 <span style="font-size:small;">(Also in 11)</span> - Added non-localized
serviceName
to'child-process-gone'
/app.getAppMetrics()
. #25975 - Added read/write support for Toast Activator CLSID in shortcuts. #25493
- Added setWindowOpenHandler API for renderer-created child windows, and deprecate new-window event. #24517
- Added spellcheck API to renderer. #25060
- Added support for explicitly specifying
direct
,auto_detect
orsystem
modes insession.setProxy()
. #24937 - Added support for showing macOS share menu. #25629
- Adds fast user switching event to powerMonitor on macOS. #25321
- Allowed setting the 'Origin' header and Sec-Fetch-* headers in net.request(). #26135
- Changed the default of
crashReporter.start({ compress })
fromfalse
totrue
. #25288 - Implemented Electron Fuses for customizing certain Electron features at package time. #24241
- Implemented custom Toast XML notifications on Windows
- Added failure reporting of notifications on Window. #25401
- Improved dark mode support on Windows. #25373 <span style="font-size:small;">(Also in 10, 11)</span>
- Removed links to the Electron website from the default 'Help' menu in packaged apps. #25831
- Removed the
desktopCapturer.getMediaSourceIdForWebContents()
API. #25414 <span style="font-size:small;">(Also in 11)</span> - The
launchInfo
ofapp
eventready
is now populated with information fromUNNotificationResponse
when the app is launched via a notification presented byUNUserNotificationCenter
(in a native node module). #25950 - Updated setPermissionRequestHandler to correctly recognize permissions being requested. #26172 <span style="font-size:small;">(Also in 11)</span>
Windows 10 versions 2004 and later support
WDA_EXCLUDEFROMCAPTURE
and will now exclude a window entirely from screen capture whensetContentProtection
is enabled. Older Windows versions will continue to show a black window as before. #24274Fixes
Added missing module delay loads on windows to reduce per process reference set impact. #25428 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Browser views will properly resize within windows. #25951 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Deprecated the use of the
vm
module in the renderer process. #26087Enabled support for new Chromium experimental PDF viewer UI. #26010
Excess menu item separators are now only removed after item re-ordering is done to avoid accidental removal of needed separators. #25563 <span style="font-size:small;">(Also in 10, 11)</span>
Fixed BrowserWindow.fromBrowserView throwing an error when there were multiple BrowserViews in a window. #26493
Fixed CORS not being disabled by
webSecurity: false
. #25463 <span style="font-size:small;">(Also in 9, 10, 11)</span>Fixed Electron not working on Windows 7 after https://github.com/electron/electron/pull/25076. #25162 <span style="font-size:small;">(Also in 8, 9, 10, 11)</span>
Fixed GdiTextPrinting when used with silent printing. #25679 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed NativeImage.crop().toBitmap() returning incorrect data. #25757 <span style="font-size:small;">(Also in 10, 11)</span>
Fixed NativeImage.getScaleFactors() always returning the same value. #25832 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed
LC_ALL
environment variable getting changed in Electron. #26507 <span style="font-size:small;">(Also in 9, 10, 11)</span>Fixed
ready-to-show
event not emitted on some machines. #25448 <span style="font-size:small;">(Also in 8, 10, 11)</span>Fixed
ses.setCertificateVerifyProc
canceling requests in unrelated sessions. #26517Fixed
window.open
not accepting size values with "px" at the end. #26104 <span style="font-size:small;">(Also in 10, 11)</span>Fixed a crash in
app.importCertificate()
on Linux. #25523 <span style="font-size:small;">(Also in 9, 10, 11)</span>Fixed a crash in printing on Windows. #25622 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed a crash in the renderer process when invoking the Badging API. #25294 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed a crash seen when printing. #25989 <span style="font-size:small;">(Also in 11)</span>
Fixed a crash that could happen when a window was closed while a webview was in the process of being attached. #25431 <span style="font-size:small;">(Also in 11)</span>
Fixed a crash when closing window in an event listener after exiting fullscreen on macOS. #25468 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed a rare crash on Windows that could occur when emitting certain powerMonitor events. #25836 <span style="font-size:small;">(Also in 10, 11)</span>
Fixed an Uncaught TypeError when opening DevTools. #26474 <span style="font-size:small;">(Also in 11)</span>
Fixed an issue that could cause a normally-exiting process to fail with an "illegal access" message and exit code 7. #25430 <span style="font-size:small;">(Also in 8, 9, 10, 11)</span>
Fixed an issue that file length is not available in 'will-download' event when file is downloaded thourgh intercepted request. #25324
Fixed an issue where Hover Text on macOS Catalina did not work without VoiceOver also being enabled. #26183 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed an issue where Wasm code generation erroneously showed as being disallowed by embedder when
contextIsolation
was enabled. #25777 <span style="font-size:small;">(Also in 10, 11)</span>Fixed an issue where Windows notifications with
timeoutType
of 'never' did not work properly. #25820 <span style="font-size:small;">(Also in 9, 10, 11)</span>Fixed an issue where
Save as PDF
from PDF Viewer Print dialog failed and sometimes crashed. #25959 <span style="font-size:small;">(Also in 9, 10, 11)</span>Fixed an issue where
document.hasFocus
anddocument.activeElement
would be inconsistent upon showing a window that was initially created withshow: false
. #25292 <span style="font-size:small;">(Also in 10, 11)</span>Fixed an issue where an error would be displayed when using
webContents.print()
if no default was set and no device name provided. #25515 <span style="font-size:small;">(Also in 9, 10, 11)</span>Fixed an issue where draggable regions did not work exclusively on
BrowserViews
. #26145 <span style="font-size:small;">(Also in 9, 10, 11)</span>Fixed an issue where draggable regions were not properly updated on BrowserViews when a containing
BrowserWindow
was resized. #26233 <span style="font-size:small;">(Also in 9, 10, 11)</span>Fixed an issue where events on webview elements were missing properties if contextIsolation was enabled. #26289
Fixed an issue where filters set in dialogs on macOS would have nondeterministic ordering. #25164 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed an issue where frameless windows showed window controls after being in simple fullscreen mode on macOS. #26096 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed an issue where net.request would continue downloading data even when the consuming stream was throttled. #25531
Fixed an issue where packages could not be selected with <input file="type"> on macOS. #25030 <span style="font-size:small;">(Also in 10, 11)</span>
Fixed an issue where pageRanges was not properly honored when printing. #25064 <span style="font-size:small;">(Also in 10, 11)</span>
Fixed an issue where some Node.js module API calls hung in the renderer process after reloads when render process reuse was enabled. #25869 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed an issue where some buttons were un-clickable in some BrowserViews with draggable regions enabled. #26496 <span style="font-size:small;">(Also in 11)</span>
Fixed an issue where the buffer returned by NativeImage.getBitmap() could point to freed memory. #25782
Fixed an issue whereby a corrupted
async_hooks
stack would crash the renderer when throwing some errors in the renderer process. #26365 <span style="font-size:small;">(Also in 11)</span>Fixed bug that meant require.resolve paths option was ignored. #25891 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed calling
app.commandLine.appendSwitch('lang')
not changing app's locale. #26185 <span style="font-size:small;">(Also in 9, 10, 11)</span>Fixed crash when application launched from
UNUserNotificationCenter
notification (via a native node module). #25702 <span style="font-size:small;">(Also in 9, 10, 11)</span>Fixed crash while exiting Electron after using the Web Serial API. #25969
Fixed crashes caused by attempting to modify destroyed views. #25411 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed crashes using nativeImage on Windows on ARM. #25396 <span style="font-size:small;">(Also in 11)</span>
Fixed detection of launch on login items
Fixed draggable regions stops working when devtools is opened on macOS. #26361 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed error handling on write failure in the protocol module. #26296
Fixed intermittent access violation during redirects (intercepted requests). #25393
Fixed issue where
quitAndInstall()
would not restart the app upon update completion on macOS Big Sur. #25864 <span style="font-size:small;">(Also in 11)</span>Fixed issue where setting the spellchecker languages to an empty array would permanently disable the spellchecker till the end of time. #26119 <span style="font-size:small;">(Also in 11)</span>
Fixed main process's console output not printing to devtools on Windows. #25765
Fixed maximized frameless window bleeding to other monitors. #25940 <span style="font-size:small;">(Also in 8, 9, 10, 11)</span>
Fixed memory leak on macOS when using
dialog.showMessageBox
API. #26078 <span style="font-size:small;">(Also in 8, 9, 10, 11)</span>Fixed memory leak when creating "Services" menu. #25617 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed multiple dock icons being left in system when calling
dock.show
/hide
on macOS. #25269 <span style="font-size:small;">(Also in 8, 9, 10, 11)</span>Fixed network permission error when there are multiple WebContents sharing same session are created with web security disabled. #25139 <span style="font-size:small;">(Also in 8, 9, 10, 11)</span>
Fixed ready-to-show event not emitted on some machines. #25632 <span style="font-size:small;">(Also in 10, 11)</span>
Fixed shell.moveItemToTrash on Windows so that it returns false when move was unsuccessful. #25124 <span style="font-size:small;">(Also in 9, 10, 11)</span>
Fixed the following issues for frameless when maximized on Windows. #25052 <span style="font-size:small;">(Also in 8, 9, 10, 11)</span>
Fixed the pretty-print JavaScript feature in DevTools not functioning correctly. #25780
Fixed the remote-debugging-port discovery page showing garbled text. #25576 <span style="font-size:small;">(Also in 10, 11)</span>
Fixed webRequest module not recognizing the encoding of the filename in
Content-Disposition
header. #25961Fixed window.open called from child window. #25080 <span style="font-size:small;">(Also in 11)</span>
Removed private API usage that was blocking Mac App Store releases. #26491 <span style="font-size:small;">(Also in 11)</span>
Stopped using private API
CTFontDescriptorIsSystemUIFont
in MAS build. #26548 <span style="font-size:small;">(Also in 11)</span>Suppressed a spurious warning about executeJavaScript being called without worldSafeExecuteJavaScript being enabled in apps that do not call executeJavaScript. #25692 <span style="font-size:small;">(Also in 10, 11)</span>
Updated Node root certs to use NSS 3.56. #25313 <span style="font-size:small;">(Also in 8, 9, 10, 11)</span>
Updated internal memory allocation logic such that you no longer need to use the
com.apple.security.cs.allow-unsigned-executable-memory
codesign entitlement on macOS. #26331Other Changes
Added a small console hint to console to help debug renderer crashes. #25317 <span style="font-size:small;">(Also in 9, 10, 11)</span>
BrowserWindow.fromWebContents() now returns an accurate result for WebContents in a BrowserView or webview. #25408
Deprecated the
remote
module. It is replaced by@electron/remote
. #25293Fixed resource leak in worker threads. #25332 <span style="font-size:small;">(Also in 9, 10, 11)</span>
None. #25526
Updated Node.js to v14.15.1. #26533
Upgraded Node.js to v14.9.0. #25249
Documentation
Unknown
- Added
extension-loaded
,extension-unloaded
, andextension-ready
events toSession
. #25385 - Added support for some
chrome.management
APIs. #25098 <span style="font-size:small;">(Also in 9, 10, 11)</span> - Fixed
chrome.runtime.getPlatformInfo
crashing the background process upon being invoked. #25357 - Fixed issue where clicking notifications would no longer dismiss them as expected. #25247 <span style="font-size:small;">(Also in 8, 9, 10, 11)</span>
- Re-enable Rosetta on Apple Silicon devices. #26568 <span style="font-size:small;">(Also in 7.3, 8, 9, 10, 11)</span>