The "link shape width and height" option in the Properties Panel under Transform is not working for me. Whenever I click it, it won't stay activated to allow me to transform a shape while keeping its aspect ratio.
We're sorry to hear you are having this issue. Have you tried resetting your preferences to see if this fixes the issue? Here is a link to a help doc that will give you the information you need. https://helpx.adobe.com/photoshop/using/preferences.html
Make sure you back up before you reset -- the info for that is in there too.