If I recall there was also a problem with font caching.

stef

On May 2, 2008, at 1:28 PM, Matthias Berth wrote:

> Hello,
>
> several people have observed slow browser behavior in version 3.9, in
> particular that browsers get slower the more of them you open [1].
> Benchmarks showed that things were faster in 3.8 [2]. Jerome Peace
> narrowed it down to 3.9 alpha, between 6684 and 6686. I have seen the
> slowdownn disappear when switching off rounded window corners in my
> 3.9.1 dev image, see [1] for details.
>
> So for now, if you want faster screen updates with multipe browsres
> open, do not use rounded window corners:
>
>  Preferences disable: #roundedWindowCorners.
> thanks to everyone who helped with this.
>
>
>
> [1] Mantis issue 0002084: Each overlaping browser slows down screen
> updates considerably
>    http://bugs.squeak.org/view.php?id=2084
> [2] Thread "3.9 Browser speed" started by Andreas Raab,
>    http://thread.gmane.org/gmane.comp.lang.smalltalk.squeak.general/108359
>
>