It involves how widgets work.
Now widgets must always be *registered* to work, even blockparser's.
Blockparser has got then a nice GUI to select which pages should be available as widgets; once the page has been enabled it is then available in the main widget panels
This solves the non-editable input things with non-firefox browsers: this way you just won't have the editbox anymore :P
I hope you'll like the changes.
There are many additions in lang files, so be careful to update (otherwise you'll get blank lines)!