3 ms·
It looks like it was added in 149 https://support.mozilla.org/en-US/kb/split-view-firefox https://support.mozilla.org/en-US/kb/split-view-firefox
by squigz 2mo ago
It looks like it was added in 149
https://support.mozilla.org/en-US/kb/split-view-firefox https://support.mozilla.org/en-US/kb/split-view-firefox