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Blue Dot Bouncing From Side To Side

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Firefox Version 57.

When a tab is open and a webpage is opening, there is a blue dot that bounces from side to side on the left side of the tab as a webpage is loading and it changes to the webpage icon once loaded.

Is this 'bouncing blue dot' new to version 57 or have I just not noticed it before?

Firefox Version 57. When a tab is open and a webpage is opening, there is a blue dot that bounces from side to side on the left side of the tab as a webpage is loading and it changes to the webpage icon once loaded. Is this 'bouncing blue dot' new to version 57 or have I just not noticed it before?

All Replies (1)

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MarjaE said

I use the custom rule, but it doesn't work while Firefox starts.

I've noticed that. I have Firefox set to restore my previous session, and with 12 windows (each containing many tabs) to open, there is a lengthy delay before the custom style is applied.

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