Why Firefox 37.0.1 is not warn when opening more of 15 tablets, as before?

Firefox used to (last week!) launch an alert warning when you try to open a folder with more than 15 (with a right click) (I think) Favorites in there. I use to check the progress on treatment with a folder of bookmarks, to see how I have left.

Today, it opens just 80 or more tabs without questioning. Because I have a folder with more than 4,000 pages of a bookmark in it, this change is pretty bad: I don't want to spend an hour doing cmd - W to close tabs before starting to load and drag my system to its knees and beyond.

Have you checked the setting in Firefox > Preferences > tabs?

  • "Warn me when opening multiple tabs might slow down Firefox.

See also about: config:

  • browser.tabs.maxOpenBeforeWarn
  • browser.tabs.warnOnOpen

You can open the topic: config page via the address bar.
You can accept the warning and click on "I'll be careful" to continue.

Tags: Firefox

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