I have been using CubeIDE for a couple of years and have really come to like it. Originally I had used VisualStudio as my main IDE so the learning curve was fairly steep (mainly on the Eclipse specific quirks).However if you put the time in to really...

I had this exact issue with a Nucleo F446re evaluation board - the ADC would get 'stuck' around a halfway reading of 2048. As suggested above I changed the APB2 prescaler to 0b101 (AHB clock divided by 4) and this corrected the problem.