Can't highlight values in Properties panel
When adjusting values in the Transform box, I can no longer highlight with my mouse. I need click on the field I'd like to edit with my mouse and then use my keyboard's shift and arrow keys to highlight, which I find quite tedious.

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Dave commented
This is still happening for me in the most recent update (Ai 25.2). My work requires me to shift and resize objects regularly and this frustrating bug consistently slows my workflow.
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Brett commented
Yes, this is a frustrating bug. I actually just finally came around to using the properties box instead of the controls at the top because there are some features I really like about it, but I started noticing the highlighting issue after I updated to the 2021 version of Illustrator. I kept thinking something was wrong with my mouse until I found I could highlight things fine in other panels.