Text boxes such as Title and Caption are sized too small and are cutting off the last line of text. Only by clicking on a box and selecting the contents and forcibly scrolling the field down can the last line be viewed. The attached screen grabs show a Caption with the last line cut off, and the same Caption but selected with the last line visible but still partially cut off. Lightroom Classic 10.2. This only started when I upgraded to Catalina 10.15.7.
Please add details of your issue to that bug report, including a screenshot and the first ten lines of the menu command Help > System Info. Be sure to click Like and Follow at the bottom of the first post, which will make it a little more likely that Adobe might prioritize a fix before the next ice age, and you'll be notified when the bug's status changes.