Synfig 1.4.1 on Catalina

I am using synfig 1.4.1 on Catalina 10.15.7

I am unable to resize the canvas and unable to access TIME or OTHER.

I downloaded synfig using Mojave 10.14.6 and I had no issues.

I am a newbie. Any suggestions

I tried on Catalina 10.15.5 and it worked.