> On 06 Oct 2016, at 19:43, Jens Alfke <j...@mooseyard.com> wrote:
> 
> That means that KVO is going to call the view’s observeChange method on your 
> background thread, not on the main thread. Which I believe qualifies as 
> “updating the UI from a background thread”, which is illegal. It may be that 
> the view has fail-safe code to check for this and ignores the change. Have 
> you checked the console for warnings?

I only see this warning once:

CoreAnimation: warning, deleted thread with uncommitted CATransaction; set 
CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.

Are you saying I cannot use bindings in this scenario?

Jan E.
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