After release of macOS Sequoia and Chromium update Brave browser becomes slow and unresponsive randomly

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Description of the issue:

Brave browser has become slow and unresponsive after the latest macOS and Chromium updates. My computer randomly becomes extremely slow and unresponsive while using Brave, and I’m unable to visit regularly used sites and web apps. However, the issues do not happen when replicating in Chrome or Safari.

Brave becomes the most unresponsive when using Google Meet as a web app. The lag creates a delay that makes it impossible to do anything, including exit the meeting.

How can this issue be reproduced?

  1. Try using Brave on MacOS to access any site, including Brave Community
  2. Try using another browser to access the same site.
  3. Try using Google Meet through Brave

Expected result:

Pages will become extremely slow and unresponsive.

Brave Version( check About Brave):

Version 1.70.123 Chromium: 129.0.6668.89 (Official Build) (x86_64)

Additional Information:
Issues started Oct. 7th.

2

Assuming that you have already created and tried a new Profile . . .

Screen Shot 2024-11-01 at 10.55.20 PM
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In a Brave Browser New Window, go to:

brave://extensions/

Disable and Remove all extensions.

Clear browsing data on your Mac

In a Brave Browser New Window, go to:

brave://settings/clearBrowserData

Select the Advanced tab

Set Time range to “All time”

ENABLE everything except:

  • Passwords and other sign-in data

(Myself, I would NOT make that exception)
(because I would have a backup prepared.)
(In other words, be prepared.)

Click on the “Clear data” button

On your Mac, locate the Caches folder:

/Users/your_shortname/Library/Caches/

and move the “com.brave.Browser” folder to the Trash

In a Brave Browser New Window, go to:

`brave://net-internals/#dns

Click on Clear host cache

Next, same window, select “Sockets” on the left.

Click Close idle sockets

Click Flush socket pools

Quit everything and Restart your Mac

Open a Terminal.app window, and enter:

open -a "Brave Browser.app" -n --args --disable-gpu --enable-leak-detection --crash-on-failure --incognito

That command will start Brave Browser with Hardware Acceleration DISABLED, and using a New Private Window.

In the Brave Browser New Private Window, go to a very, very plain, simple website:

https://test.nextdns.io/

. . . and wait at least 10 seconds.

Hopefully, the browser got there, quickly.

Quit all applications.

Flush the MacOS DNS cache:

In a Terminal.app window, enter:

sudo killall -HUP mDNSResponder

Quit all applications and Restart your Mac.

In a Brave Browser New Window, go to:

  • brave://settings/cookies

Scroll down that settings page, to Sites that can always use cookies

Click the Add button

Enter [*.]google.com as the site . . . but do not Enable the following:

  • Current Private session only
  • Including third-party cookies on this site

Click the Add button

Repeat those steps for:

  • [*.]firebaseapp.com
  • [*.]googleapis.com
  • [*.]googleusercontent.com
  • [*.]gstatic.com
  • [*.]youtube.com

–

Next, go to:

  • brave://settings/content/javascript

Scroll down that javascript settings page to Allowed to use javascript

Click the Add button

Enter [*.]google.com as the site . . . but do not Enable the following:

  • Current Private session only

Click the Add button

Repeat those steps for:

  • [*.]firebaseapp.com
  • [*.]googleapis.com
  • [*.]googleusercontent.com
  • [*.]gstatic.com
  • [*.]youtube.com

–

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