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How to disable tab preview in Firefox Developer

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I see that in the previous versions of Firefox, i can disable tabs preview when switching between tabs using Ctrl + Tab in about:config. But now, i can't find it anywhere. So please tell me where i can find this feature again.

Tabs previews is ugly and messy so please help me to remove it.

Sincerely!

I see that in the previous versions of Firefox, i can disable tabs preview when switching between tabs using Ctrl + Tab in about:config. But now, i can't find it anywhere. So please tell me where i can find this feature again. Tabs previews is ugly and messy so please help me to remove it. Sincerely!

Chosen solution

That browser.ctrlTab.previews pref should be there on the about:config page.

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Chosen Solution

That browser.ctrlTab.previews pref should be there on the about:config page.

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This seems weird, i can't find it anywhere even i have copy your phrase

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OK. It looks that currently previews are enabled by default and can no longer be disabled, so this pref does indeed no longer exists. I'm not what branch DXR accesses via mozilla-aurora (could be still Firefox 62)

That pref has been replaced by browser.ctrlTab.recentlyUsedOrder

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Thanks for help. Hope that this feature will be fixed in next versions of Firefox