On 12/14/2020 2:04 PM, J. Landman Gay via use-livecode 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.
I had a weird display issue where a transition between two cards left
with one card semi-transparent behind the new card. It was also slow. I
have a visual effect dissolve between these two cards I removed the
visual effect and changing between the cards was fast and clean.
Examine any visual effect transitions you may have between cards.
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