Just give it six months and for all the 32 apps to convert to 64. Me, no worries regardless of what problems Catalina brings. I've got a 2012 Mac Pro and the hardware won't handle Catalina. So unless Apple makes a patch Mojave will be my OS into the foreseeable future.
To a certain extent when it comes to smartphones and computers as well as their OS we've been running out of options or selections of MUST HAVE the past couple of years. (At least for the regular consumer.)