STM32 Power connections question
Yes. None of the  STM32 chips I've worked with would boot without VDDA.

Check your datasheet (emphasis mine):


  3.14 Power supply schemes
  
  VSSA , VDDA = 1.7 to 3.6 V: external analog power supplies for ADC, DAC, Reset
  blocks, RCs and PLL. VDDA and VSSA must be connected to VDD and VSS, respectively.


Not much room for interpretation in a "must".