I also populate a field and adjust its rect from custom properties, as well as adjust some controls based on stored custom property settings. I also load an image from an unplaced background. So, lots of setup on preOpenCard.

On 12/14/20 1:14 PM, Marty Knapp via use-livecode wrote:
I have a customer with a brand new Mac Pro with tons of memory (and two 49 inch 
curved screens!) running Big Sur and he sent a video showing slow performance 
when populating a half dozen text fields from a custom property - took about 3 
seconds (in a standalone).

Marty

On Dec 14, 2020, at 11:04 AM, J. Landman Gay via use-livecode 
<use-livecode@lists.runrev.com> wrote:

My client is running Big Sur and says that changing cards in a stack causes a 
very slow, stuttering display. The background image appears in chunks and text 
in the fields comes in as sequential pieces. The order of the display varies, 
sometimes the text appears first, sometimes the background image. The first few 
cards are fairly normal, but as she pages through the stack it gets slower.

I had her watch Activity Monitor and CPU usage goes up as she navigates through 
cards. At first the display is fairly normal but each successive card change 
increases CPU useage a little bit. She stopped when usage got to about 50% when 
she said it was unusable. This was in the IDE. She says the standalone is even 
slower.

Has anyone seen this? On Mojave and Catalina everything is fine.

--
Jacqueline Landman Gay         |     jac...@hyperactivesw.com
HyperActive Software           |     
https://www.google.com/url?q=http://www.hyperactivesw.com&source=gmail-imap&ust=1608577545000000&usg=AOvVaw3zEkEOx8Qa_NdgiKshX9KD


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--
Jacqueline Landman Gay         |     jac...@hyperactivesw.com
HyperActive Software           |     http://www.hyperactivesw.com

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