Hello,
Just noting few things that impacts general look/feel of Squeak.
Resizing windows in 3.9 is slow. Perhaps it is because of redrawing
taking place during resizing. Do squeak needs redrawing by default?
Changing theme does not work. May be button "Change theme" is to be
removed before releasing 3.9 if there is agreement that current look
is best. What others think?
I started using squeak since version 3.5, so just checked that version
now. 2.5 years passed. Version 3.5 image was two times smaller, more
responsive, it looked nicer for me (nice/not nice is personal thing
but ability to change theme is good thing.

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Vaidotas Didžbalis