Home » Oreps » Electron » All Releases » v12.0.0 Release

electron/electron

:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS

Watch

Basic Details Issues Addressed Top Contributors Directory Browser Release Notes

Electron v12.0.0

Electron: v12.0.0 Release

Release date:

March 2, 2021

Previous version:

v12.0.0-nightly.20201118 (released November 18, 2020)

Magnitude:

2,519 Diff Delta

Contributors:

12 total committers

Data confidence:

Commits:

143 Features Released with v12.0.0

← Previous 1 2 3 4 5 Next →

Browse Other Releases

Latest Pending Unreleased 😎

v12.0.4 Released April 13, 2021

1 Δ

v12.0.3 Released April 13, 2021

795 Δ

v12.0.2 Released March 23, 2021

555 Δ

v12.0.1 Released March 10, 2021

0 Δ

v12.0.0 Released March 2, 2021

2,519 Δ

v12.0.0-nightly.20201118 Released November 18, 2020

620 Δ

v12.0.0-nightly.20201117 Released November 17, 2020

464 Δ

v12.0.0-nightly.20201116 Released November 16, 2020

199 Δ

v12.0.0-nightly.20201113 Released November 13, 2020

0 Δ

v12.0.0-nightly.20201112 Released November 12, 2020

103 Δ

Top Contributors in v12.0.0

trop[bot]

nornagon

erickzhao

miniak

vadim-termius

sentialx

MarshallOfSound

electron-bot

dsanders11

NotWearingPants

Directory Browser for v12.0.0

We haven't yet finished calculating and confirming the files and directories changed in this release. Please check back soon.

Release Notes Published

Release Notes for v12.0.0

Stack Upgrades

Chromium 89.0.4389.69
- v89 blog post
- v88 blog post
Node v14.16.0
V8 v8.9
- v8.9 blog post
- v8.8 blog post

Breaking Changes

Changed the default of crashReporter.start({ compress }) from false to true. #25288
Changed the default value of contextIsolation to true. #27949
Changed the default value of worldSafeExecuteJavaScript to be true. #27502
Deprecated the remote module. It is replaced by @electron/remote. [#25293]
Deprecated the new-window event of WebContents. It is replaced by webContents.setWindowOpenHandler(). #24517

Features

Additions

Added APIs to enable/disable spell checker. #26276
Added Serial API support. #25237
Added BrowserWindow.isTabletMode API. #25209
Added displayFrequency to the Display object to allow getting information about the refresh rate on Windows. #26472
Added event.senderFrame property returning the originating webFrameMain of the IPC message. #27047
Added exitCode to render-process-gone details. #27677
Added frame and webContents properties to the details object in webRequest handlers. #27334
Added net.online for detecting whether there is currently internet connection. #21004
Added osProcessId / name properties to webFrameMain. #26093
Added powerMonitor.onBatteryPower. #26494
Added session.setSSLConfig() to allow configuring SSL. #25461
Added webFrameMain.send() / webFrameMain.postMessage(). #27366
Added webFrameMain API for accessing sub-frames of a WebContents 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 to Session.setSSLConfig. #25818
Added a new credentials option for net.request(). #25284
Added a new asynchronous shell.trashItem() API, replacing the synchronous shell.moveItemToTrash(). #25114
Added display-capture API for session.setPermissionRequestHandler. #27696
Added missing webFrameMain.executeJavaScriptInIsolatedWorld(). #27195
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 or system modes in session.setProxy(). #24937
Added support for showing macOS share menu. #25629
Added fast user switching event to powerMonitor on macOS. #25321
Added extension-loaded, extension-unloaded, and extension-ready events to Session. #25385
Allowed ContextBridge exposeInMainWorld method to expose non-object APIs. #26834
Allowed setting the origin header and sec-fetch-* headers in net.request(). #26135
Implemented Electron Fuses for customizing certain Electron features at package time. #24241
The launchInfo of app event ready is now populated with information from UNNotificationResponse when the app is launched via a notification presented by UNUserNotificationCenter (in a native node module). #25950

Also in earlier versions...

Added allowFileAccess option to loadExtension() API. #27702 (Also in 11)
Added win.setTopBrowserView() so that BrowserViews can be raised. #27713 (Also in 10, 11)
Added support for some chrome.management APIs. #25098 (Also in 9, 10, 11)
Made win.setAspectRatio() work on Windows. #27202 (Also in 11)

Improvements

Implemented custom Toast XML notifications on Windows
- Added failure reporting of notifications on Window. #25401
Improved dark mode support on Windows. #25373 (Also in 10, 11)

Removed/Deprecated

Deprecated the remote module. It is replaced by @electron/remote. #25293
Deprecated the use of the vm module in the renderer process. #26087
Removed deprecated crashReporter APIs. #26709
Removed links to the Electron website from the default 'Help' menu in packaged apps. #25831
Removed private API usage that was blocking Mac App Store releases. #26491 (Also in 11)
Removed the desktopCapturer.getMediaSourceIdForWebContents() API. #25414 (Also in 11)

Fixes

Apps requesting the CAMERA_PAN_TILT_ZOOM permission will have the permission request handler called with a permission string of "media" instead of "font-access". #27422
Backported fix for https://crbug.com/1125165. #27596
BrowserWindow.fromWebContents() now returns an accurate result for WebContents in a BrowserView or webview. #25408
Enabled support for new Chromium experimental PDF viewer UI. #26010
Fixed BrowserWindow.fromBrowserView throwing an error when there were multiple BrowserViews in a window. #26493
Fixed PDF viewer failing to load resources. #27747
Fixed PDFs not loading in the PDF viewer. #27241
Fixed ses.setCertificateVerifyProc canceling requests in unrelated sessions. #26517
Fixed a crash in renderer process when loading non-context-aware modules with app.allowRendererProcessReuse enabled. #27317
Fixed a crash when calling crypto.createDiffieHellman() with certain parameters. #27700
Fixed a use-after-free error that could occur when destroying a WebContents during the did-stop-loading event. #26733
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 IsMaximized would incorrectly return false for some windows on Windows. #26772
Fixed an issue where events on webview elements were missing properties if contextIsolation was enabled. #26289
Fixed an issue where net.request would continue downloading data even when the consuming stream was throttled. #25531
Fixed an issue where the buffer returned by NativeImage.getBitmap() could point to freed memory. #25782
Fixed an issue where the zoom button was missing for windows with titleBarStyle: hiddenInset on macOS. #27462
Fixed bug in which WebContents.mainFrame would sometimes return undefined. #27663
Fixed crash while exiting Electron after using the Web Serial API. #25969
Fixed error handling on write failure in the protocol module. #26296
Fixed intermittent access violation during redirects (intercepted requests). #25393
Fixed main process's console output not printing to devtools on Windows. #25765
Fixed menubar not clickable on Windows and Linux. #27555
Fixed missing presentation mode option in PDF viewer. #27262
Fixed using navigator.setAppBadge and navigator.clearAppBadge in Electron. #27431
Fixed webRequest module not recognizing the encoding of the filename in Content-Disposition header. #25961
Fixed window with customButtonsOnHover option not having rounded corner on macOS. #26960
Fixed chrome.runtime.getPlatformInfo crashing the background process upon being invoked. #25357
Backported fix for https://crbug.com/952922. #27598
Fixed ECDH.setPrivateKey() not updating the key. #27856
Fixed issue where window.open() would not return an object with a location.href setter when contextIsolation is enabled and nativeWindowOpen is disabled. #27940
Fixed race condition in electron.net implementation. #27938
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. #26331
Updated the ICU time zone database to the latest 2020f version. #27370

Also in earlier versions....

Added Electron DLLs like libGLESv2.dll to symbol server. #26966 (Also in 9, 10, 11)
Added default Bluetooth permission strings to info.plist. #26769 (Also in 11)
BrowserViews will properly resize within windows. #25951 (Also in 9, 10, 11)
Fixed "screen" methods to be reassignable again. #26868 (Also in 11)
Fixed CSP with unsafe-eval detection with Trusted Types. #27471 (Also in 9, 10, 11)
Fixed GdiTextPrinting when used with silent printing. #25679 (Also in 9, 10, 11)
Fixed OS-level shortcuts on macOS (e.g. Ctrl + F2, ⌘ + ~). #27769 (Also in 11)
Fixed <webview> not working with Trusted Types. #27467 (Also in 9, 10, 11)
Fixed LC_ALL environment variable getting changed in Electron. #26507 (Also in 9, 10, 11)
Fixed contentTracing.stopRecording() not rejecting when there is no trace in progress. #26656 (Also in 11)
Fixed protocol methods not being accessible via remote.protocol. #27043 (Also in 11)
Fixed readdir/readdirSync (w/ withFileTypes) failing on a deep directory within archive. #27011 (Also in 10, 11)
Fixed screen methods not being accessible via remote.screen. #26661 (Also in 11)
Fixed systemPreferences.effectiveAppearance returning systemPreferences.getAppLevelAppearance(). #26879 (Also in 9, 10, 11)
Fixed a crash seen when printing. #25989 (Also in 11)
Fixed a crash that could occur on app quit when using the remote module. #27070 (Also in 11)
Fixed a crash when calling webContents.fromId with an unknown ID. #26651 (Also in 11)
Fixed a memory leak in desktopCapturer.getSources. #27058 (Also in 9, 10, 11)
Fixed a memory leak when creating BrowserWindows. #27641 (Also in 11)
Fixed an Uncaught TypeError when opening DevTools. #26474 (Also in 10, 11)
Fixed an erroneous enableBlinkFeatures warning shown webviews which enabled no Blink features. #27790 (Also in 10, 11)
Fixed an issue that a message box in GTK contains no buttons. #26917 (Also in 10, 11)
Fixed an issue where BrowserViews couldn't be effectively reparented. #27187 (Also in 11)
Fixed an issue where SIGINT was improperly handled in Node.js processes. #26971 (Also in 10, 11)
Fixed an issue where Save as PDF from PDF Viewer Print dialog failed and sometimes crashed. #25959 (Also in 9, 10, 11)
Fixed an issue where event.reply could sometimes not deliver a reply to an IPC message when cross-site iframes were present. #26925 (Also in 9, 10, 11)
Fixed an issue where deleted download directories would be sometimes recreated by the operating system. #27806 (Also in 10, 11)
Fixed an issue where draggable regions did not work exclusively on BrowserViews on Windows. #26775 (Also in 10, 11)
Fixed an issue where draggable regions in BrowserWindow causes BrowserView to become draggable in non-correspondent places. #26755 (Also in 10, 11)
Fixed an issue where non-draggable regions on BrowserViews could have incorrectly calculated bounds. #27184 (Also in 10, 11)
Fixed an issue where renderer process stack traces were broken with contextIsolation enabled. #26912 (Also in 11)
Fixed an issue where some async_hooks were not properly emitted after an error in the renderer process. #26990 (Also in 11)
Fixed an issue where some buttons were un-clickable in some BrowserViews with draggable regions enabled. #26496 (Also in 9, 10, 11)
Fixed an issue where some draggable regions were not clickable when loaded into BrowserViews on Windows. #27177 (Also in 10, 11)
Fixed an issue whereby remote.screen EventEmitter methods are undefined in the renderer. #26988 (Also in 11)
Fixed an occasional crash on Windows related to NativeViewHost::SetParentAccessible. #26952 (Also in 9, 10, 11)
Fixed an occasional white flicker present when rendering BrowserViews in close succession. #27658 (Also in 10, 11)
Fixed callbacks passed via the remote module not being released after all references are dropped. #26833 (Also in 11)
Fixed crash when a keyboard event immediately precedes calling browserWindow.close() on Windows. #27359 (Also in 10, 11)
Fixed crash when destroying WebContents in the crashed event. #27756 (Also in 10, 11)
Fixed crash when extension fails to load. #27589 (Also in 10, 11)
Fixed detection of launch on login items
- Fixed detection of enabled state set by TaskManager. #26515 (Also in 11)
Fixed import of unpacked node modules. #26750 (Also in 11)
Fixed issue where quitAndInstall() would not restart the app upon update completion on macOS Big Sur. #25864 (Also in 11)
Fixed maximized frameless window bleeding to other monitors. #25940 (Also in 8, 9, 10, 11)
Fixed memory leak when creating "Services" menu. #25617 (Also in 9, 10, 11)
Fixed memory leak when sending non-primitives over the context bridge. #27636 (Also in 10, 11)
Fixed native window freeze on Windows when Electron app is sent to tray and external display changes. #27668 (Also in 11)
Fixed native window.open() to not use windowName/frameName as title by default. #27552 (Also in 10, 11)
Fixed regression that crashed Electron when processing an invalid icon. #27463 (Also in 11)
Fixed shutdown crash when quitting with in-progress downloads. #27418 (Also in 10, 11)
Fixed the pretty-print JavaScript feature in DevTools not functioning correctly. #25780 (Also in 11)
Fixed uncaught promise rejection when creating webContents with javascript disabled. #26869 (Also in 10, 11)
Fixed chrome.webRequest extensions API not intercepting any requests. #27098 (Also in 10, 11)
Fixed crash when loading wasm modules in child node process with mac arm64 > 11.2. #27685 (Also in 11)
Fixed slow child process spawning on macOS Big Sur. #27656 (Also in 10, 11)
Fixed an issue where libuv might hang with multiple subframes when nodeIntegrationInSubframes is enabled. #27879 (Also in 10, 11)
Fixed an out-of-bounds access in WebContents.sendInputEvent. #27855 (Also in 10, 11)
Fixed navigator.bluetooth.requestDevice. #27927 (Also in 11)
Fixed background color not being applied for child windows created by native window.open path. #27942 (Also in 10, 11)
Fixed a potential crash when resetting BrowserViews. #27947
Increase stack size on windows x64 to 8MB. #27384 (Also in 10, 11)
Stopped using private API CTFontDescriptorIsSystemUIFont in MAS build. #26548 (Also in 11)
Updated setPermissionRequestHandler to correctly recognize permissions being requested. #26172 (Also in 11)

Other Changes

Windows 10 versions 2004 and later support WDA_EXCLUDEFROMCAPTURE and will now exclude a window entirely from screen capture when setContentProtection is enabled. Older Windows versions will continue to show a black window as before. #24274
Re-enable Rosetta on Apple Silicon devices. #26568 (Also in 7.3, 8, 9, 10, 11)

Documentation

Documentation revisions:

End of Support for 9.x.y

Electron 9.x.y has reached end-of-support as per the project's support policy. Developers and applications are encouraged to upgrade to a newer version of Electron.