Operating system: Windows 10
Graphics card: geforce gtx 980TI and gtx 650ti - tried on two machines.

Blender Version
Broken: 2.90.1
Worked: not sure, but it does work in the "how to freeze smoke in blender 2.8" youtube tut.

Description
With 2.90.1, if one tries to cycle render a smoke domain either before or after the smoke simulation, blender crashes out instantly.
Crash occurs after trying multiple combinations of smoke settings, motion blur settings, CPU/GPU render.
Tried with 2.91.0 beta (downloaded 23/11/2020) and now the scene renders but no smoke shown in the render outside of sim time - so perhaps someone working on this... if so apologies.. I couldn't find the bug report.

Steps to repeat problem
With 2.90.1, simply select the starting cube, enable the quick smoke effect. Change the simulation time to be 20 to 50 frames say, and then either bake or play through the frames. Change to cycles, and set viewport to rendered mode and you will see the smoke freeze when viewing frames after the simulation time. Render any frame within the simulation and all is ok. Render any frame before or after the smoke simulation and blender crashes.
Repeat with 2.91.0 beta and no crash, but no smoke on frames after the sim. Also rendered viewport view seems to sometimes show random smoke effects as you pan through the timeline.