diff --git a/appveyor-woa.yml b/appveyor-woa.yml
index 7c72640d602f..d62a507d6774 100644
--- a/appveyor-woa.yml
+++ b/appveyor-woa.yml
@@ -6,7 +6,7 @@
 #  - "GN_CONFIG" Build type. One of {'testing', 'release'}.
 #  - "GN_EXTRA_ARGS" Additional gn arguments for a build config,
 #      e.g. 'target_cpu="x86"' to build for a 32bit platform.
-#      https://gn.googlesource.com/gn/+/master/docs/reference.md#target_cpu
+#      https://gn.googlesource.com/gn/+/main/docs/reference.md#var_target_cpu
 #      Don't forget to set up "NPM_CONFIG_ARCH" and "TARGET_ARCH" accordingly
 #      if you pass a custom value for 'target_cpu'.
 #  - "ELECTRON_RELEASE" Set it to '1' upload binaries on success.
diff --git a/appveyor.yml b/appveyor.yml
index 0c382f344a93..7172c63f2bc9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,7 +6,7 @@
 #  - "GN_CONFIG" Build type. One of {'testing', 'release'}.
 #  - "GN_EXTRA_ARGS" Additional gn arguments for a build config,
 #      e.g. 'target_cpu="x86"' to build for a 32bit platform.
-#      https://gn.googlesource.com/gn/+/master/docs/reference.md#target_cpu
+#      https://gn.googlesource.com/gn/+/main/docs/reference.md#var_target_cpu
 #      Don't forget to set up "NPM_CONFIG_ARCH" and "TARGET_ARCH" accordingly
 #      if you pass a custom value for 'target_cpu'.
 #  - "ELECTRON_RELEASE" Set it to '1' upload binaries on success.
diff --git a/build/args/all.gn b/build/args/all.gn
index 19b52cad2a3b..c18f125d0817 100644
--- a/build/args/all.gn
+++ b/build/args/all.gn
@@ -1,7 +1,7 @@
 is_electron_build = true
 root_extra_deps = [ "//electron" ]
 
-# Registry of NMVs --> https://github.com/nodejs/node/blob/master/doc/abi_version_registry.json
+# Registry of NMVs --> https://github.com/nodejs/node/blob/main/doc/abi_version_registry.json
 node_module_version = 114
 
 v8_promise_internal_field_count = 1
diff --git a/shell/browser/api/message_port.h b/shell/browser/api/message_port.h
index 6562018de89c..2f4cb3480caa 100644
--- a/shell/browser/api/message_port.h
+++ b/shell/browser/api/message_port.h
@@ -61,7 +61,7 @@ class MessagePort : public gin::Wrappable<MessagePort>, mojo::MessageReceiver {
   // The blink version of MessagePort uses the very nice "ActiveScriptWrapper"
   // class, which keeps the object alive through the V8 embedder hooks into the
   // GC lifecycle: see
-  // https://source.chromium.org/chromium/chromium/src/+/master:third_party/blink/renderer/platform/heap/thread_state.cc;l=258;drc=b892cf58e162a8f66cd76d7472f129fe0fb6a7d1
+  // https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/platform/heap/thread_state.cc;l=258;drc=b892cf58e162a8f66cd76d7472f129fe0fb6a7d1
   // We do not have that luxury, so we brutishly use v8::Global to accomplish
   // something similar. Critically, whenever the value of
   // "HasPendingActivity()" changes, we must call Pin() or Unpin() as
diff --git a/shell/browser/electron_browser_main_parts.cc b/shell/browser/electron_browser_main_parts.cc
index ef72790a57e3..dafe1a932c11 100644
--- a/shell/browser/electron_browser_main_parts.cc
+++ b/shell/browser/electron_browser_main_parts.cc
@@ -561,7 +561,7 @@ void ElectronBrowserMainParts::PostCreateMainMessageLoop() {
   config->main_thread_runner =
       base::SingleThreadTaskRunner::GetCurrentDefault();
   // c.f.
-  // https://source.chromium.org/chromium/chromium/src/+/master:chrome/common/chrome_switches.cc;l=689;drc=9d82515060b9b75fa941986f5db7390299669ef1
+  // https://source.chromium.org/chromium/chromium/src/+/main:chrome/common/chrome_switches.cc;l=689;drc=9d82515060b9b75fa941986f5db7390299669ef1
   config->should_use_preference =
       command_line.HasSwitch(::switches::kEnableEncryptionSelection);
   base::PathService::Get(DIR_SESSION_DATA, &config->user_data_path);
diff --git a/shell/browser/native_window_mac.mm b/shell/browser/native_window_mac.mm
index 1251434ae919..26db67be069a 100644
--- a/shell/browser/native_window_mac.mm
+++ b/shell/browser/native_window_mac.mm
@@ -1215,7 +1215,7 @@ content::DesktopMediaID NativeWindowMac::GetDesktopMediaID() const {
   auto desktop_media_id = content::DesktopMediaID(
       content::DesktopMediaID::TYPE_WINDOW, GetAcceleratedWidget());
   // c.f.
-  // https://source.chromium.org/chromium/chromium/src/+/master:chrome/browser/media/webrtc/native_desktop_media_list.cc;l=372?q=kWindowCaptureMacV2&ss=chromium
+  // https://source.chromium.org/chromium/chromium/src/+/main:chrome/browser/media/webrtc/native_desktop_media_list.cc;l=775-780;drc=79502ab47f61bff351426f57f576daef02b1a8dc
   // Refs https://github.com/electron/electron/pull/30507
   // TODO(deepak1556): Match upstream for `kWindowCaptureMacV2`
 #if 0
diff --git a/shell/browser/ui/gtk_util.cc b/shell/browser/ui/gtk_util.cc
index 7fc6154bf99f..8353946fb329 100644
--- a/shell/browser/ui/gtk_util.cc
+++ b/shell/browser/ui/gtk_util.cc
@@ -19,7 +19,7 @@
 #include "ui/gtk/gtk_compat.h"  // nogncheck
 
 // The following utilities are pulled from
-// https://source.chromium.org/chromium/chromium/src/+/main:ui/gtk/select_file_dialog_impl_gtk.cc;l=43-74
+// https://source.chromium.org/chromium/chromium/src/+/main:ui/gtk/select_file_dialog_linux_gtk.cc;l=44-75;drc=a03ba4ca94f75531207c3ea832d6a605cde77394
 namespace gtk_util {
 
 namespace {
diff --git a/spec/ts-smoke/electron/main.ts b/spec/ts-smoke/electron/main.ts
index 6cd4db3b71ef..964977314f60 100644
--- a/spec/ts-smoke/electron/main.ts
+++ b/spec/ts-smoke/electron/main.ts
@@ -30,7 +30,7 @@ import {
 import * as path from 'path'
 
 // Quick start
-// https://github.com/electron/electron/blob/master/docs/tutorial/quick-start.md
+// https://github.com/electron/electron/blob/main/docs/tutorial/quick-start.md
 
 // Keep a global reference of the window object, if you don't, the window will
 // be closed automatically when the javascript object is GCed.
@@ -318,7 +318,7 @@ app.setAboutPanelOptions({
 })
 
 // Online/Offline Event Detection
-// https://github.com/electron/electron/blob/master/docs/tutorial/online-offline-events.md
+// https://github.com/electron/electron/blob/main/docs/tutorial/online-offline-events.md
 
 let onlineStatusWindow: Electron.BrowserWindow
 
@@ -333,7 +333,7 @@ ipcMain.on('online-status-changed', (event: any, status: any) => {
 })
 
 // Synopsis
-// https://github.com/electron/electron/blob/master/docs/api/synopsis.md
+// https://github.com/electron/electron/blob/main/docs/api/synopsis.md
 
 app.whenReady().then(() => {
   window = new BrowserWindow({
@@ -345,14 +345,14 @@ app.whenReady().then(() => {
 })
 
 // Supported command line switches
-// https://github.com/electron/electron/blob/master/docs/api/command-line-switches.md
+// https://github.com/electron/electron/blob/main/docs/api/command-line-switches.md
 
 app.commandLine.appendSwitch('remote-debugging-port', '8315')
 app.commandLine.appendSwitch('host-rules', 'MAP * 127.0.0.1')
 app.commandLine.appendSwitch('vmodule', 'console=0')
 
 // systemPreferences
-// https://github.com/electron/electron/blob/master/docs/api/system-preferences.md
+// https://github.com/electron/electron/blob/main/docs/api/system-preferences.md
 
 const browserOptions = {
   width: 1000,
@@ -391,7 +391,7 @@ if (browserOptions.transparent) {
 }
 
 // app
-// https://github.com/electron/electron/blob/master/docs/api/app.md
+// https://github.com/electron/electron/blob/main/docs/api/app.md
 
 app.on('certificate-error', function (event, webContents, url, error, certificate, callback) {
   if (url === 'https://github.com') {
@@ -422,7 +422,7 @@ app.relaunch({ args: process.argv.slice(1).concat(['--relaunch']) })
 app.exit(0)
 
 // auto-updater
-// https://github.com/electron/electron/blob/master/docs/api/auto-updater.md
+// https://github.com/electron/electron/blob/main/docs/api/auto-updater.md
 
 autoUpdater.setFeedURL({
   url: 'http://mycompany.com/myapp/latest?version=' + app.getVersion(),
@@ -443,7 +443,7 @@ autoUpdater.on('update-downloaded', (event, releaseNotes, releaseName, releaseDa
 })
 
 // BrowserWindow
-// https://github.com/electron/electron/blob/master/docs/api/browser-window.md
+// https://github.com/electron/electron/blob/main/docs/api/browser-window.md
 
 let win3 = new BrowserWindow({ width: 800, height: 600, show: false })
 win3.on('closed', () => {
@@ -469,7 +469,7 @@ window.setVibrancy('popover')
 window.setIcon('/path/to/icon')
 
 // content-tracing
-// https://github.com/electron/electron/blob/master/docs/api/content-tracing.md
+// https://github.com/electron/electron/blob/main/docs/api/content-tracing.md
 
 const options = {
   categoryFilter: '*',
@@ -486,7 +486,7 @@ contentTracing.startRecording(options).then(() => {
 })
 
 // dialog
-// https://github.com/electron/electron/blob/master/docs/api/dialog.md
+// https://github.com/electron/electron/blob/main/docs/api/dialog.md
 
 // variant without browserWindow
 dialog.showOpenDialogSync({
@@ -507,7 +507,7 @@ dialog.showOpenDialog(win3, {
 })
 
 // global-shortcut
-// https://github.com/electron/electron/blob/master/docs/api/global-shortcut.md
+// https://github.com/electron/electron/blob/main/docs/api/global-shortcut.md
 
 // Register a 'ctrl+x' shortcut listener.
 const ret = globalShortcut.register('ctrl+x', () => {
@@ -525,7 +525,7 @@ globalShortcut.unregister('ctrl+x')
 globalShortcut.unregisterAll()
 
 // ipcMain
-// https://github.com/electron/electron/blob/master/docs/api/ipc-main-process.md
+// https://github.com/electron/electron/blob/main/docs/api/ipc-main.md
 
 ipcMain.on('asynchronous-message', (event, arg: any) => {
   console.log(arg) // prints "ping"
@@ -551,7 +551,7 @@ const winWindows = new BrowserWindow({
 })
 
 // menu-item
-// https://github.com/electron/electron/blob/master/docs/api/menu-item.md
+// https://github.com/electron/electron/blob/main/docs/api/menu-item.md
 
 const menuItem = new MenuItem({})
 
@@ -561,7 +561,7 @@ menuItem.click = (passedMenuItem: Electron.MenuItem, browserWindow: Electron.Bro
 }
 
 // menu
-// https://github.com/electron/electron/blob/master/docs/api/menu.md
+// https://github.com/electron/electron/blob/main/docs/api/menu.md
 
 let menu = new Menu()
 menu.append(new MenuItem({ label: 'MenuItem1', click: () => { console.log('item 1 clicked') } }))
@@ -809,7 +809,7 @@ Menu.buildFromTemplate([
 ])
 
 // net
-// https://github.com/electron/electron/blob/master/docs/api/net.md
+// https://github.com/electron/electron/blob/main/docs/api/net.md
 
 app.whenReady().then(() => {
   const request = net.request('https://github.com')
@@ -854,7 +854,7 @@ app.whenReady().then(() => {
 })
 
 // power-monitor
-// https://github.com/electron/electron/blob/master/docs/api/power-monitor.md
+// https://github.com/electron/electron/blob/main/docs/api/power-monitor.md
 
 app.whenReady().then(() => {
   powerMonitor.on('suspend', () => {
@@ -872,7 +872,7 @@ app.whenReady().then(() => {
 })
 
 // power-save-blocker
-// https://github.com/electron/electron/blob/master/docs/api/power-save-blocker.md
+// https://github.com/electron/electron/blob/main/docs/api/power-save-blocker.md
 
 const id = powerSaveBlocker.start('prevent-display-sleep')
 console.log(powerSaveBlocker.isStarted(id))
@@ -880,7 +880,7 @@ console.log(powerSaveBlocker.isStarted(id))
 powerSaveBlocker.stop(id)
 
 // protocol
-// https://github.com/electron/electron/blob/master/docs/api/protocol.md
+// https://github.com/electron/electron/blob/main/docs/api/protocol.md
 
 app.whenReady().then(() => {
   protocol.registerSchemesAsPrivileged([{ scheme: 'https', privileges: { standard: true, allowServiceWorkers: true } }])
@@ -907,7 +907,7 @@ app.whenReady().then(() => {
 })
 
 // tray
-// https://github.com/electron/electron/blob/master/docs/api/tray.md
+// https://github.com/electron/electron/blob/main/docs/api/tray.md
 
 let appIcon: Electron.Tray = null
 app.whenReady().then(() => {
@@ -950,7 +950,7 @@ app.whenReady().then(() => {
 })
 
 // clipboard
-// https://github.com/electron/electron/blob/master/docs/api/clipboard.md
+// https://github.com/electron/electron/blob/main/docs/api/clipboard.md
 
 {
   let str: string
@@ -973,7 +973,7 @@ app.whenReady().then(() => {
 }
 
 // crash-reporter
-// https://github.com/electron/electron/blob/master/docs/api/crash-reporter.md
+// https://github.com/electron/electron/blob/main/docs/api/crash-reporter.md
 
 crashReporter.start({
   productName: 'YourName',
@@ -989,7 +989,7 @@ console.log(crashReporter.getLastCrashReport())
 console.log(crashReporter.getUploadedReports())
 
 // nativeImage
-// https://github.com/electron/electron/blob/master/docs/api/native-image.md
+// https://github.com/electron/electron/blob/main/docs/api/native-image.md
 
 const appIcon2 = new Tray('/Users/somebody/images/icon.png')
 const window2 = new BrowserWindow({ icon: '/Users/somebody/images/window.png' })
@@ -1000,7 +1000,7 @@ const appIcon4 = new Tray('/Users/somebody/images/icon.png')
 const image2 = nativeImage.createFromPath('/Users/somebody/images/icon.png')
 
 // process
-// https://github.com/electron/electron/blob/master/docs/api/process.md
+// https://github.com/electron/electron/blob/main/docs/api/process.md
 
 console.log(process.versions.electron)
 console.log(process.versions.chrome)
@@ -1014,7 +1014,7 @@ process.hang()
 process.setFdLimit(8192)
 
 // screen
-// https://github.com/electron/electron/blob/master/docs/api/screen.md
+// https://github.com/electron/electron/blob/main/docs/api/screen.md
 
 app.whenReady().then(() => {
   const size = screen.getPrimaryDisplay().workAreaSize
@@ -1052,7 +1052,7 @@ app.whenReady().then(() => {
 })
 
 // shell
-// https://github.com/electron/electron/blob/master/docs/api/shell.md
+// https://github.com/electron/electron/blob/main/docs/api/shell.md
 
 shell.showItemInFolder('/home/user/Desktop/test.txt')
 shell.trashItem('/home/user/Desktop/test.txt').then(() => {})
@@ -1070,7 +1070,7 @@ shell.beep()
 shell.writeShortcutLink('/home/user/Desktop/shortcut.lnk', 'update', shell.readShortcutLink('/home/user/Desktop/shortcut.lnk'))
 
 // cookies
-// https://github.com/electron/electron/blob/master/docs/api/cookies.md
+// https://github.com/electron/electron/blob/main/docs/api/cookies.md
 {
   // Query all cookies.
   session.defaultSession.cookies.get({})
@@ -1100,7 +1100,7 @@ shell.writeShortcutLink('/home/user/Desktop/shortcut.lnk', 'update', shell.readS
 }
 
 // session
-// https://github.com/electron/electron/blob/master/docs/api/session.md
+// https://github.com/electron/electron/blob/main/docs/api/session.md
 
 session.defaultSession.on('will-download', (event, item, webContents) => {
   event.preventDefault()
@@ -1197,7 +1197,7 @@ app.whenReady().then(function () {
 })
 
 // webContents
-// https://github.com/electron/electron/blob/master/docs/api/web-contents.md
+// https://github.com/electron/electron/blob/main/docs/api/web-contents.md
 
 console.log(webContents.getAllWebContents())
 console.log(webContents.getFocusedWebContents())
diff --git a/spec/ts-smoke/electron/renderer.ts b/spec/ts-smoke/electron/renderer.ts
index cef883bebe04..57ea707f9dc6 100644
--- a/spec/ts-smoke/electron/renderer.ts
+++ b/spec/ts-smoke/electron/renderer.ts
@@ -11,7 +11,7 @@ import {
 import * as fs from 'fs'
 
 // In renderer process (web page).
-// https://github.com/electron/electron/blob/master/docs/api/ipc-renderer.md
+// https://github.com/electron/electron/blob/main/docs/api/ipc-renderer.md
 console.log(ipcRenderer.sendSync('synchronous-message', 'ping')) // prints "pong"
 
 ipcRenderer.on('asynchronous-reply', (event, arg: any) => {
@@ -22,7 +22,7 @@ ipcRenderer.on('asynchronous-reply', (event, arg: any) => {
 ipcRenderer.send('asynchronous-message', 'ping')
 
 // web-frame
-// https://github.com/electron/electron/blob/master/docs/api/web-frame.md
+// https://github.com/electron/electron/blob/main/docs/api/web-frame.md
 
 webFrame.setZoomFactor(2)
 console.log(webFrame.getZoomFactor())
@@ -53,7 +53,7 @@ console.log(webFrame.getResourceUsage())
 webFrame.clearCache()
 
 // clipboard
-// https://github.com/electron/electron/blob/master/docs/api/clipboard.md
+// https://github.com/electron/electron/blob/main/docs/api/clipboard.md
 
 clipboard.writeText('Example String')
 clipboard.writeText('Example String', 'selection')
@@ -69,7 +69,7 @@ clipboard.write({
 })
 
 // crash-reporter
-// https://github.com/electron/electron/blob/master/docs/api/crash-reporter.md
+// https://github.com/electron/electron/blob/main/docs/api/crash-reporter.md
 
 crashReporter.start({
   productName: 'YourName',
@@ -79,7 +79,7 @@ crashReporter.start({
 })
 
 // desktopCapturer
-// https://github.com/electron/electron/blob/master/docs/api/desktop-capturer.md
+// https://github.com/electron/electron/blob/main/docs/api/desktop-capturer.md
 
 desktopCapturer.getSources({ types: ['window', 'screen'] }).then(sources => {
   for (let i = 0; i < sources.length; ++i) {
@@ -111,7 +111,7 @@ function getUserMediaError (error: Error) {
 }
 
 // File object
-// https://github.com/electron/electron/blob/master/docs/api/file-object.md
+// https://github.com/electron/electron/blob/main/docs/api/file-object.md
 
 /*
 <div id="holder">
@@ -137,11 +137,11 @@ holder.ondrop = function (e) {
 }
 
 // nativeImage
-// https://github.com/electron/electron/blob/master/docs/api/native-image.md
+// https://github.com/electron/electron/blob/main/docs/api/native-image.md
 
 const image = clipboard.readImage()
 
-// https://github.com/electron/electron/blob/master/docs/api/process.md
+// https://github.com/electron/electron/blob/main/docs/api/process.md
 
 // preload.js
 const _setImmediate = setImmediate
@@ -152,12 +152,12 @@ process.once('loaded', function () {
 })
 
 // shell
-// https://github.com/electron/electron/blob/master/docs/api/shell.md
+// https://github.com/electron/electron/blob/main/docs/api/shell.md
 
 shell.openExternal('https://github.com').then(() => {})
 
 // <webview>
-// https://github.com/electron/electron/blob/master/docs/api/web-view-tag.md
+// https://github.com/electron/electron/blob/main/docs/api/webview-tag.md
 
 const webview = document.createElement('webview')
 webview.loadURL('https://github.com')