Ultrawider — 21:9 Video Fill by Ultrawider

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Ultrawider — 21:9 Video Fill version history - 4 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 1.0.4
Released Jul 13, 2026 - 123.29 KB
Works with firefox 140.0 and later
1.0.4
• Faster, keyword-clearer store listing
• New optional rating nudge in the fullscreen player overlay, shown only
after you've used the extension a few times (never on install; you can
dismiss it)
• Reliability fixes
Source code released under All Rights Reserved
Download Firefox and get the extension
Download file
Older versions
Version 1.0.3
Released Jul 13, 2026 - 122.41 KB
Works with firefox 140.0 and later
1.0.3
• Faster, keyword-clearer store listing
• New optional "rate us" card in the toolbar popup, shown only after
you've used the extension a few times (never on install; dismissible)
• Reliability fix for the activation counter
Source code released under All Rights Reserved
Download file
Version 1.0.2
Released Jul 11, 2026 - 120.9 KB
Works with firefox 140.0 and later
1.0.2
• Instant HUD: the fullscreen popup now appears immediately — even on
heavy 4K/60fps streams it no longer lags behind by seconds
• New one-minute interactive setup that opens once after install
(ultrawider.net/welcome)
• Smarter first-run defaults on YouTube
• Reliability fixes for iframe players and license checks
Source code released under All Rights Reserved
Download file

Latest version