On 11.05.2016, at 00:55, Chris Muller <asqueaker at gmail.com> wrote:

> This may help Eliot in his case this time, but there are other places
> which could just as easily trap a reference to a user's "domain"
> object just as inconspicuously.
> 
> Like the World 'stepList' or the WorldState's 'commandHistory'.
> 
> Maybe we need some kind of registration/release mechanism..??

Or making those weak?

Best regards
	-Tobias

> 
> On Tue, May 10, 2016 at 4:45 PM,  <commits at source.squeak.org> wrote:
>> Balázs Kósi uploaded a new version of Morphic to project The Trunk:
>> http://source.squeak.org/trunk/Morphic-kb.1143.mcz
>> 
>> ==================== Summary ====================
>> 
>> Name: Morphic-kb.1143
>> Author: kb
>> Time: 10 May 2016, 11:45:07.978281 pm
>> UUID: 8e7819ed-0a1d-4a4d-9c6b-23ce3272097c
>> Ancestors: Morphic-mt.1142
>> 
>> Fix DockingBarMorph keeping unnecessary references to oldMouseFocus and oldKeyboardFocus by clearing them when deactivating.
>> 
>> =============== Diff against Morphic-mt.1142 ===============
>> 
>> Item was changed:
>>  ----- Method: DockingBarMorph>>deactivate: (in category 'events') -----
>>  deactivate: evt
>> 
>> +       | newKeyboardFocus newMouseFocus |
>>        self selectItem: nil event: evt.
>> +       newKeyboardFocus := self oldKeyboardFocus.
>> +       newMouseFocus := self oldMouseFocus.
>> +       oldKeyboardFocus := oldMouseFocus := nil.
>>        evt hand
>> +               newKeyboardFocus: newKeyboardFocus;
>> +               newMouseFocus: newMouseFocus!
>> -               newKeyboardFocus: self oldKeyboardFocus;
>> -               newMouseFocus: self oldMouseFocus!