User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:126.96.36.199) Gecko/20060508 Firefox/188.8.131.52 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:184.108.40.206) Gecko/20060508 Firefox/220.127.116.11 Currently, all GUI activity takes place in the same thread. This means that, for example, if a page loading in the background is taking a long time to layout or has a long-running script, the entire browser freezes. This is particularly relevant for extensions which cause every large page to display slowly. Reproducible: Always Steps to Reproduce: 1. Use greasemonkey to inject a slow script into every page (yes, I have a very good reason for doing this) 2. Load some pages in background tabs 3. Make and drink a cup of coffee while waiting for the browser to become responsive Expected Results: Each tab should layout its page and execute scripts in its own thread
Status: UNCONFIRMED → RESOLVED
Last Resolved: 12 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 40848
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