thorium-mirror/docs/PATCHES.md

<img src="https://github.com/Alex313031/thorium/blob/main/logos/STAGING/Thorium90_504.jpg" width="200">

## List of patches/changes/features included in Thorium <img src="https://raw.githubusercontent.com/Alex313031/thorium/main/logos/NEW/patches.png" width="32">

Compiler modifications include SSE4.2, AVX, AES, and CFLAGS, LTO flags, and import_instr_limit flags set to /03, 3, and 30, respectively. \
NEW > Added some LLVM LOOP optimizations as -mllvm flags. See here > https://github.com/RobRich999/Chromium_Clang/issues/26#issuecomment-976883814

Fixed AVX Windows Builds as per > https://github.com/RobRich999/Chromium_Clang/issues/26#issuecomment-1003605112

.desktop files are created for Thorium itself and content-shell (named thorium-shell).

There are also additional desktop actions: when right clicking the Thorium launcher it gives three additional desktop actions, one to open thorium-shell, another to open in Safe Mode which disables any flags one has set in chrome://flags until the next launch, and lastly to open in Dark Mode which appends the --force-dark-mode flag.

Ink > https://chromium.googlesource.com/chromium/src/third_party/+/c4f7a938fcdc796ad9fead3ab01e0508c129b831/ink NOTE: Disabled for now due to bugs!
  - Implemented with the args.gn flag "enable_ink = true" Adds PDF annotation features present in CrOS.

MPEG-DASH > https://en.wikipedia.org/wiki/Dynamic_Adaptive_Streaming_over_HTTP
  - Implemented via the args.gn flags "enable_hls_demuxer = true" and "enable_mse_mpeg2ts_stream_parser = true"

Enable JPEG XL Image File Format by Default Patch
  - Made by me.

Enable Live Caption (SODA) on all builds Patch
  - Made by me.

Enable AutoPlay of WebAudio, when AutoPlay is normally disallowed
  - Made by me.

Reversion of some Chrome Refresh 2023 UI elements (most notably the restoration of the tab search button to the right side of the tabstrip)
  - Made by me.

 REMOVED ~~V8 Font Rendering Patch > https://github.com/saiarcot895/chromium-ubuntu-build/blob/master/debian/patches/fix-font-rendering.patch~~
  - Fixes font rendering in certain instances.

VAAPI Patch > https://github.com/saiarcot895/chromium-ubuntu-build/blob/master/debian/patches/enable-vaapi-on-linux.diff
  - Modified by me.

 REMOVED ~~VAAPI on Wayland Patch > https://github.com/ungoogled-software/ungoogled-chromium-archlinux/blob/master/ozone-add-va-api-support-to-wayland.patch~~
  - From Arch AUR ~~

Use default search icon instead of search engine icon in omnibox patch > https://github.com/ungoogled-software/contrib/blob/master/tweaks/visual/default-search-icon.patch

Intel HD Support Patch > https://github.com/saiarcot895/chromium-ubuntu-build/blob/master/debian/patches/ihd-support.patch

Nicer Native Notifications Patch > https://github.com/saiarcot895/chromium-ubuntu-build/blob/master/debian/patches/notifications-nicer

Enable Quiet Notifications Patch > https://github.com/Alex313031/thorium/blob/main/src/chrome/browser/permissions/quiet_notification_permission_ui_state.cc
  - Made by me.

Title Bar Patch > https://github.com/saiarcot895/chromium-ubuntu-build/blob/master/debian/patches/title-bar-default-system.patch-v35

REMOVED ~~VDPAU Patch > https://github.com/saiarcot895/chromium-ubuntu-build/blob/master/debian/patches/vdpau-support.patch~~
  - Modified by me.

Audio Sandbox Patch > https://github.com/saiarcot895/chromium-ubuntu-build/blob/master/debian/patches/fix-audio-sandbox.patch

DNS Over HTTPS (DoH) Secure Mode Patch > https://github.com/uazo/cromite/blob/master/build/patches/DoH-improvements.patch
  - Made by uazo

DNS Over HTTPS (DoH) Bare Minimum HTTP Headers Patch > https://github.com/uazo/cromite/blob/master/build/patches/Reduce-HTTP-headers-in-DoH-requests-to-bare-minimum.patch
  - Made by uazo

Disable Captive Portals Detection > https://github.com/uazo/cromite/blob/master/build/patches/Remove-detection-of-captive-portals.patch
  - Made by uazo

Enable Do Not Track By Default Patch > https://github.com/GrapheneOS/Vanadium/blob/main/patches/0045-enable-dubious-Do-Not-Track-feature-by-default.patch

Enable Fingerprinting Protection Patch
  - Made by me.

Show full URLs by Default Patch > https://github.com/Alex313031/thorium/blob/74219f27911e133483c3ab85c70ba4360ea98423/src/chrome/browser/ui/toolbar/chrome_location_bar_model_delegate.cc#L292
  - Made by me.

Disable Privacy Sandbox (previously known as FLOC) Patch > https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/core/ungoogled-chromium/disable-privacy-sandbox.patch
  - Modified from UnGoogled patch

Disable Google API Key Warning Infobar Patch > https://github.com/Eloston/ungoogled-chromium/blob/master/patches/extra/debian/disable/google-api-warning.patch & https://github.com/Eloston/ungoogled-chromium/blob/master/patches/extra/inox-patchset/0013-disable-missing-key-warning.patch
  - Modified by me.

Disable Default Browser Infobar Patch
  - Made by me.

Always Lazy Load Advertisement iFrames
  - Made by me.

Search Engines Patch > https://github.com/saiarcot895/chromium-ubuntu-build/blob/master/debian/patches/additional-search-engines.patch
  - Modified by me. Adds DuckDuckGo, Brave Search, Ecosia, Ask, and Yandex, with DuckDuckGo being set to "canonical" so that canonical gets a small amount of money when using it.

Always use the local NTP (New Tab Page) Patch > https://github.com/GrapheneOS/Vanadium/blob/main/patches/0052-always-use-local-new-tab-page.patch

Chromium Sandbox Patch (enables PIE) > https://github.com/Eloston/ungoogled-chromium/blob/master/patches/extra/inox-patchset/0016-chromium-sandbox-pie.patch
  - Increases security for the chrome-sandbox executable.

Fix Distilled Page Icons Patch > https://github.com/Eloston/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/fix-distilled-icons.patch#L6
  - Fixes some issues with material design icons.

Enable Menu UI on Reload Button > https://github.com/Eloston/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/enable-menu-on-reload-button.patch
  - Adds new right click menu to the reload button.

Show Home Button by Default Patch
  - Made by me.

Prefetch Privacy enabled by Default Patch > https://github.com/Eloston/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/enable-default-prefetch-privacy-changes.patch

GN Respect number of --jobs patch > https://github.com/Eloston/ungoogled-chromium/blob/master/patches/extra/debian/gn/parallel.patch
  - Useful when building.

V8 SEGV Patch > https://github.com/FydeOS/chromium_os-raspberry_pi/blob/84ad1a83388bd57a9f1bc318c3057b10eb3101d2/project-cros-pi/chromeos-base/chromeos-chrome/files/patches/001-workaround-for-v8-SEGV-issue.patch
  - Modified by me.

Disable Vulkan GPU Log warnings > https://github.com/RobRich999/Chromium_Clang/blob/e2af0594fb73b482864980551bc0ceb14a349986/Linux/linux64-avx.patch#L303
  - Made by RobRich999

Widevine CDM CU Patch > https://launchpad.net/ubuntu/bionic/+source/chromium-browser

Enable Parallel Downloading by Default Patch
  - Made by me.

RPATH for libffmpeg.so Patch > https://github.com/saiarcot895/chromium-ubuntu-build/blob/master/debian/patches/set-rpath-on-chromium-executables.patch

Always Show Component Extensions Patch > https://github.com/iridium-browser/iridium-browser/commit/f8e1b5f19862867b2736ca0a25f6979fcc2d7d71
  - Modified by me.

Increase default key length for newly-generated RSA keys from 1024 to 2048 Patch > https://github.com/iridium-browser/iridium-browser/commit/d016769081706d591188b5b2929c5fc2efd8ef20

Enable UI Features: Side Search, Side Panel Journeys, Chrome Labs, Extensions Access Menu, Tab Hover Cards, WebUI Tab Strip, Drag and Drop Tabs on Wayland, Tab Groups Saving > https://github.com/Alex313031/thorium/blob/main/chrome/browser/ui/ui_features.cc
  - Made by me.

Tab Outlines in Low Contrast Themes, More Prominent Active Tab Title in Dark Mode: Restore after they removed it in M113 > 
https://chromium-review.googlesource.com/c/chromium/src/+/4578380 
https://chromium-review.googlesource.com/c/chromium/src/+/4578188 
https://github.com/Alex313031/thorium/commit/17a3074d3f2cd32a05b71cdcb57942d5319845f0
 - Made by me.

Disable History Expiration Patch > https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/add-flag-to-disable-local-history-expiration.patch
 - Modified by me.

Toggle Tab Scrolling (for Non-Linux Platforms) Patch > https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/add-flag-to-scroll-tabs.patch
 - Modified by me.

Enable Precompiling of Inline Scripts in HTML - https://github.com/Alex313031/thorium/commit/8d237b76adff2ab4e89147b18ee1d0ab7bb29fb6
  - Modified by me.

Patch Windows installer to close previous browser instance > https://github.com/Hibbiki/chromium-win64/blob/master/patch/0001-Patch-installer-to-close-previous-browser-instance-o.patch

Disable the addition of the Google-Chrome sources.list in /etc/apt/sources.list.d/ during installation, and prevents apt from complaining about removing the nonexistent file during an apt remove --purge. - Created by me.

Enable Dark Mode flag Patch
  - Made by me.
  
Enable GTK Auto Dark Mode Patch - https://github.com/qcasey/chromium-patches/blob/main/patches/gtk-dark-mode-switch-fix.patch
  - Modified by me. > https://github.com/Alex313031/thorium/issues/74#issuecomment-1270435944

Disable AutoPlay flag Patch
  - Made by me.

Enable Saving pages from all Schemes Patch > https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/enable-page-saving-on-more-pages.patch

Allow setting a custom NTP flag Patch > https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/add-flag-for-custom-ntp.patch

Allow removing the Side Panel button flag Patch > https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/add-flag-to-hide-side-panel-button.patch

Show/Hide Avatar Button Patch > https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/add-flag-to-show-avatar-button.patch

Unexpire Flags by Default Patch > https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/keep-expired-flags.patch
  - Modified by me.

Disable Download Quarantine Patch > https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/disable-download-quarantine.patch

Enable Reader Mode Patch - Made by me.

Disable WebGL2, WebGL Anti-Aliasing Mode, WebGL MSAA Sample Count, and Native GPU Rasterization MSAA Sample Count chrome://flags Patches - Made by me.

Number of Raster Threads chrome://flags Patch - Made by me.

Enable Native UI Inspection in DevTools chrome://flags Patch - Made by me.

Enable High Contrast mode Patch - Made by me.

Enable Local File Accesses, Allow File URI Access from Files, and Disable Web Security chrome://flags Patches
  - Made by me.

Enable HEVC/H.265 Decoding Patch - https://github.com/StaZhu/enable-chromium-hevc-hardware-decoding/blob/main/add-hevc-ffmpeg-decoder-parser.patch
  - Modified by me.

Allow all HEVC Video Profiles to Play Patch - https://github.com/StaZhu/enable-chromium-hevc-hardware-decoding/blob/main/remove-main-main10-profile-limit.patch

Enable multi-threaded HEVC decoding - https://github.com/RobRich999/Chromium_Clang/blob/649f66dc041a72467c02d76e8d1fe00ee06d8276/Linux/linux64-avx.patch#L295
  - Made by RobRich999

Enable AC3 and EAC3 for HEVC Patch - https://github.com/Muril-o/electron-chromium-codecs/tree/main/v29.1.4
  - Modified by midzer and me.
  - https://github.com/Alex313031/thorium/commit/a2e49dd2fe00e4c6fa882a41e8a1a27f93bedfff AND
  - https://github.com/Alex313031/thorium/commit/7d0b4f045ce0e16ea9edb05a4dc056a1d4583752#diff-09b3d55a8198fc42186bfd6bf5869fe78b8edad6f67e75b78228446f1d7cf66f

Show the Apps button in Bookmarks Bar by Default Patch - Made by me. NOTE: Now only enabled in the legacy builds after M120.

Add autocomplete for chrome://flags > https://github.com/bromite/bromite/blob/master/build/patches/Offer-builtin-autocomplete-for-chrome-flags.patch

Disable fetching Field Trials/Variations Patch - https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/core/bromite/disable-fetching-field-trials.patch

Enable double click to close tab flag - https://github.com/bigfoxtail/brave-core/commit/acec5efcbaa98722611f551712f051fb343af120
  - Found by @gz83, modified by me.

Enable disabling tab hover cards flag - https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/add-flag-for-tab-hover-cards.patch
  - Credit to win32ss for alerting me to this patch.

Enable close confirmation flag - https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/add-flag-for-close-confirmation.patch
  - Modified by me.

Disable window exit on closing last tab flag - https://github.com/ungoogled-software/ungoogled-chromium/blob/master/patches/extra/ungoogled-chromium/add-flag-to-close-window-with-last-tab.patch
  - Modified by me.

Disable Download Bubble Flag > https://github.com/Alex313031/thorium/commit/e2ed50459d9f27e705ba9d3b6ae2106e260b5ac2
  - Made by me.

Allow Insecure Downloads > https://github.com/Alex313031/thorium/commit/333a2154d6066b1243a7a02d24001e166fd78002
  - Made by me.

Block annoying Promo Toasts > https://github.com/Alex313031/thorium/commit/2abe24c0db83c3cb5884535830036abe61953c46
  - Made by me.

CFI Ignores Patch - https://github.com/RobRich999/Chromium_Clang/blob/150e755bdb3f2c389ab3d485f38d62a36414e73a/Linux/linux64-avx.patch#L386
  - Made by RobRich999

Warn instead of Error on V8 PGO Profile Mismatch Patch - https://github.com/RobRich999/Chromium_Clang/blob/main/V8/v8.patch
  - Made by RobRich999

Enable Middle Click Autoscroll on ALL Platforms - https://github.com/Alex313031/thorium/issues/199
  - Made by me.

Patches to enable truly Portable usage > Disable Encryption and Machine ID
  - https://github.com/ungoogled-software/ungoogled-chromium-windows/blob/master/patches/ungoogled-chromium/windows/windows-disable-encryption.patch
  - https://github.com/ungoogled-software/ungoogled-chromium-windows/blob/master/patches/ungoogled-chromium/windows/windows-disable-machine-id.patch
 > Also added a patch by win32ss from Supermium to allow reversion of a portable profile back to a normal, encrypted one: 
  - https://github.com/win32ss/supermium/commit/697055c2e65074bf50d30c58e124ddfe293c3f8c AND
  - https://github.com/win32ss/supermium/commit/1e2e02118f5f014cb1761f6ae05e86ab4304f924

Android Patches from Bromite:
  - https://github.com/bromite/bromite/blob/master/build/patches/do-not-add-suffix-to-package-name.patch
  - https://github.com/bromite/bromite/blob/master/build/patches/Enable-fwrapv-in-Clang-for-non-UBSan-builds.patch
 > TODO:
  - https://github.com/bromite/bromite/blob/master/build/patches/Do-not-link-with-libatomic.patch
  - https://github.com/bromite/bromite/blob/master/build/patches/Disable-media-router-and-remoting-by-default.patch
  - https://github.com/bromite/bromite/blob/master/build/patches/Enable-darken-websites-checkbox-in-themes.patch
  - https://github.com/bromite/bromite/blob/master/build/patches/Disable-feeds-support-by-default.patch
  - https://github.com/bromite/bromite/blob/master/build/patches/Add-exit-menu-item.patch

Installer patches to include unstripped and RPATH binaries, with chrome_sandbox (needed for older distros), chromedriver and content-shell being added along with an icon and .desktop file for content-shell.
  - Created by me.

Patches for mini_installer and abseil when using AVX on Windows. Credit goes to @RobRich999

"Ctrl+Shift+Q" to close all windows (exit) "Ctrl+Shift+K" to open a new tab to the right "Ctrl+Shift+D" to duplicate the current tab "Ctrl+Shift+P" to pop out the current tab into a new window
  - https://github.com/Alex313031/thorium/blob/main/src/chrome/browser/ui/views/accelerator_table.cc

Use Super + Arrow Keys to manage Windows on ThoriumOS > https://github.com/Alex313031/thorium/blob/main/src/ash/public/cpp/accelerators.cc
  - Made by me

The Thorium .desktop file and content-shell .desktop file have flags added for experimental and useful features, namely: Disabling the Default Browser check and InfoBar, Experimental web platform features, and Experimental Canvas2D.
  - Modified by me.

Remove discovery module from NTP on Android
  - Made by @gz83.

- Any other code/patches are written from scratch by me.