I found couple of troubles while programming STM32F030F4 with STM32CubeMX.
1. I used simple code like
which must generate 500 Hz square wave on PA3. It is actually work for STM32CubeMX V. 4.18.0, but 4.22.1 version gives 250 Hz signal.
2. I tried to use PLLCLK source (with the same code), but it absolutely doesnt work with any settings in V. 4.18.0 and V. 4.22.1 - there is no signal, just little ripples on PA3. With HSE and HSI sources without PLL it works. Some months ago I used V. 4.20.1 without this trouble. Can you provide a download link to this version?