On Fri, Jan 22, 2021 at 02:03:10PM -0600, jaromir wrote:
> I ran the following in Squeak 5.3:
> 
> TranscriptStream forceUpdate: false.
> [ 10000 timesRepeat: [ Transcript show: 'x' ] ] forkAt: 39
> 
> When the Transcript window fills up, 'Message not understood' and 'Assertion
> failure' appear. I'm wondering is this a bug? Thanks. Jaromir
> 
> <http://forum.world.st/file/t372955/Screenshot_2021-01-22_205244.png> 
> 

It certainly does appear to be a bug.

Dave