uBlock on Firefox 70.0.1 - memory hungry?

Hi everyone

Since the last Firefox update to 70.0.1, I noticed that my Firefox was
getting sluggish, sometimes taking several seconds before finishing
rendering a page and allowing me to click on links.
After looking in the processes, turns out that WebExtensions was
gobbling up nearly 21GB, not to mention several other processes for
rendering the tabs! It was probably swapping memory all the time...

After turning off my uBlock addon (and restarting the browser, of
course), Firefox is now as responsive as I was used to and
WebExtensions is now ~2.5GB. Not sure whether this is due to the newly
introduced privacy protection facility within core Firefox, that
uBlock ballooned/slowed down like that.

Anyway, still got my NoScript and PrivacyBadger addons active.

Cheers, Peter
-- 
Peter Reutemann
Dept. of Computer Science
University of Waikato, NZ
+64 (7) 858-5174
http://www.cms.waikato.ac.nz/~fracpete/
http://www.data-mining.co.nz/
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