Hi Adrian,
Unfortunately the newer version cannot be loaded anymore in a 3.7
image because of the dependency on SystemProgressMorph which seems to
be new in 3.8. I don't know whether you can easily make that
backwards compatible or not. I think it's not that important but
would "nice to have".
Another thing that stroke me is peed... In 3.8 with the enhancement
everything seems to be a bit slower than before (the UI in Squeak
never was fast but I have the feeling it become slower with each new
release...).
To get some numbers (they should probably be treated with care..) I
evaluated "[ 10 timesRepeat: [ Browser openBrowser ] ] timeToRun" and
got: