What am I missing about shadows in Eevee?

[eobet]

I removed the three faces facing the camera and put a bevel on the rest of the default cube, added a spotlight and got this:

That looks shockingly crap, so what am I missing about Eevee? Default settings aren’t any good? What settings to I tweak to fix this? Why are these the default settings in the first place?

EDIT: Cycles for comparison, and yes, I get that they’re completely different and I shouldn’t expect the same results, but just in case anyone wonders what it should look like…

[CarlG]

There exist a fairly new video on youtube how to adjust lighting settings in Eeve, although it’s too late for me right now to start looking.

[Moosefoo (Bri The 3D Guy)]

You need to turn on contact shadows in the light properties.

[filibis (Emir Sinan Gürlek)]

Check this post (and whole topic if you wish):

Light leak at edges inside room and irradiance volume issues

The light leaks are caused by incorrect shadow maps as has being discuss previously. Biggest issue is that Blender has poor default shadow values for interior scenes. See house scene leak fix below. Blender file HouseLightLeakFix.blend (2.5 MB) [HouseLightLeakFix] This process should fix light leaks: Make sure that all walls have some thickness. To concentrate on fixing shadows and their problems. Disable “Screen Space Reflection” and “Free Lighting Cache”. To render nice smooth soft shado…