I also had the USB not working problem on a RPI4 4GB and "over_voltage=1" solved the problem (I also added "ssh" to boot partition but dont know if that is important)
Best regards

Hi I have installed Raspbian buster on RPI3B+ and found out that 'wolfram-engine' and 'wolframscript' is missing in Raspbian buster repositorie Wolfram / Mathematica is very usefull so i hope very much that Wolfram will be available soon in repositorie Will Wolfram be available in future ? Sory abou...