Firefox 155.0
ErenayDev
15 points
10 comments
September 01, 2026
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Discussion Highlights (4 comments)
stuaxo
"Smart Window" ? Is Firefox trying to push away us remaining users ?
microflash
> Firefox now limits CSS to 75 levels of nested blocks and functions, preventing crashes that extremely deep nesting can cause under some circumstances. More deeply nested rules and values no longer parse. Very interesting change. I’ve yet to see CSS more than 20 levels deep. Good to put a stop to such insanity.
thejazzman
I recently had to install Firefox and windows so I could throughly test something Holy Hell is the praise for this product misplaced. Maybe if you installed it long enough ago it preserves your choices and hides the garbage? It’s like modern website full of pop up ads and garbage. There’s like 10 different scammy things in your face you have to figure out how to hide or disable I’d pick Edge, if I had to pick either, after this experience
wanick
The best browser I love FF