This is now upstream at https://github.com/spyder-ide/spyder/issues/1974 .
This is done and should be closed.
Re-add the CMake variable LIB_TAG
There's this wiki info, but it should work out of the box instead.
The project wizard should support 64 bit projects
Switch to key ids than 32bit
Add "plclearall" function to clear all plot buffers