Hi Nicolas, while poking around, I stumbled on this:

http://sdk.krestianstvo.org/sdk/tweak45.html/Overview?_s=7-aF8GVskxtQcScU&_k=FZavOXZk5JD8SmBl

On Mon, Jun 9, 2014 at 9:53 AM, Nicolas Cellier
<nicolas.cellier.aka.nice at gmail.com> wrote:
> I wanted to test if my new handling (handleSignal:) was Tweak compatible.
> But, http://www.squeaksource.com/TweakCore is not currently loading in
> Squeak4.5 due to several uncompatible changes:
>
> - Tweak requires 'allow block argument assignement' preference to be true,
> that's the first thing which should be mentionned on the squeaksource page
> loading instructions.
> - Tweak is subclassing Compiler, but the Compiler changed (Introduction of
> CompilationCue by Colin)
> - Tweak is extending MultiDisplayScanner, but this class vanished (It should
> now be BltDisplayScanner).
> - Tweak is using this weird literal syntax that has been retracted: (self
> flag: #1). should be (self flag: 1) instead.
>
> Is there any interest in upgrading Tweak to latest trunk?
> If yes, see attachments for a quick fix of last 3 points (Tweak-Compiler and
> Tweak-Costume)
>
> I also noticed that I get many packages marked dirty because the fields
> changed.
> Is it normal?
>
>
>
>