Brave crashes when attempting to suggest quick commands

Description of the issue:

That’s the cause of the issue, which I was eventually able to figure out. How it presents itself is that the browser crashes seemingly randomly when typing in the address bar.

**How can this issue be reproduced?
**
Enter “:>” into the address bar, or type text in it (less consistent).

**Expected result:
**
That this doesn’t happen lol

**Brave Version( check About Brave):
**
1.86.146

**Additional Information:
**
This has been happening to me ever since I updated to the 1.86.146 version on Mac. It was really confusing at first because I don’t even use quick commands and the pattern wasn’t obvious at all. Sometimes, it would crash with just one letter. Sometimes, after a few. Sometimes, it wouldn’t crash at all.

I figured out that the crash didn’t happen when I highlighted text and clicked “Search Brave for” as well as when I started typing in the address bar using “/” before any text, so I knew it had something to do with the data that the address bar specifically accesses. So I tried SEVERAL different things before narrowing down on quick command suggestions. Turning that off fixed the issue, and to confirm, I typed “:>” which crashes it 100% of the time.

Crash Report:

Crash from Sunday, February 1, 2026 at 4:02:01 PM
Uploaded Crash Report ID: 3c840500-886a-300f-0000-000000000000

@Mattches

OP reports:

Given MacOS and Brave Browser v1.86.146, Brave Browser will crash when typing into the URL address field: :> ← crashes “100% of the time” (or typing text ← less consistent)

OP tested and concluded, that Disabling “quick command suggestions” ← fixes the issue.

OP has Crash ID number at the end of the Description.

@289wk are you seeing this behavior as well? Not crashing for me one macOS using the latest build w/quick commands enabled.

@fishwoddy can you try testing this in a fresh browser profile or a guest profile and tell me if this still occurs? Make sure you close your original profile window before testing.

@Mattches

In a Brave Browser Private Window, or not private, either way, nothing happens. If typed into one of those windows, followed by selecting the other window, then :> vanishes from the former window. Also, not getting any crashes by typing a string of words into the URL address field.

Brave 1.86.142 (Official Build) (x86_64) - Chromium: 144.0.7559.97

Brave 1.86.146 (Official Build) (x86_64) - Chromium: 144.0.7559.110

MacOS 14.8.3 Sonoma

Also tested in the URL address field:

  • :d tents ← no problem; got expected results - list of suppliers
  • :sp tents ← no problem; got expected results - list of suppliers

Will see if anyone else can reproduce this. In the meantime I’m quite curious to know if @fishwoddy can reproduce this in a fresh profile w/no extensions or data. Will file an issue if so. If not then the crash is likely being caused by an extension or some bad data in the main profile.

We’ve filed this on our Github either way: