2013883 - Search Bar Go button uses previous search engine

Status: VERIFIED FIXED

(Firefox :: Search, defect, P1)

Description

[Petruta Horea [:phorea]]

Notes

• Not reproducible if searching via Enter key or when the text is cleared using X button.
• Not reproducible after editing the text or from search bar search mode.

Found in

• Firefox Nightly 149.0a1 2026-02-01;

Affected versions

• Firefox Nightly 149.0a1;

Affected platforms

• Windows 11;
• Ubuntu 22;
• macOS 15;

Unaffected platforms

• N/A;

Steps to reproduce

1. Perform a search from search bar using the default search engine.
2. Go to about:preferences#search and change the default engine.
3. Without clearing the text from the search bar, redo the same search by pressing the Go button.

Expected result

• Search is performed with the engine set at step 2.

Actual result

• Search is made with the previous default search engine (same SERP as in step 1).

Regression range

• last good: 2026-01-08
• first bad: 2026-01-09
• pushlog: https://hg-edge.mozilla.org/integration/autoland/pushloghtml?fromchange=7d50efbc16ec1b286662ca39f79218021cc524ba&tochange=1ecf41b7dfc5a113874509fa77c7457d395b1fbb

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

:dao, since you are the author of the regressor, bug 2007190, could you take a look? Also, could you set the severity field?

For more information, please visit BugBot documentation.

Comment 2

[Moritz Beier [:mbeier]]

Attachment: Bug 2013883 - Search Bar Go button uses previous search engine. r?#urlbar-reviewers

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/802f7cd23523
https://hg.mozilla.org/integration/autoland/rev/62248181c1a1
Search Bar Go button uses previous search engine. r=urlbar-reviewers,dao

Comment 4

[Serban Stanca [:SerbanS]]

https://hg.mozilla.org/mozilla-central/rev/62248181c1a1

Comment 5

[Dana Lucaci, Desktop QA]

Reproduced with Firefox 148.0a1 (2026-01-09) and Firefox 148.0b9 (2026-01-30) on macOS 15.
Verified as fixed with Firefox 149.0a1 (20260210213212) on macOS 15, Windows 10 and Ubuntu 22.