Fusion page crashes on click

Without any message it shut downs. emty timeline. new project. tried disabling OpenCL and tried to load some footage first

You'll need to provide a crash log. In Resolve's Help menu there's an option to save logs to the Desktop. The logs are too big to link directly here, though, so you'll have to use a file hosting service.

Did you use the script method of turning off OCL, or did you use the option in the DaVinci Preference menu? I'm not sure if that script works in this environment.

I used an option in the preferences in resolve

Here is the logs: https://adobe.ly/2H1L3YN

Same happens here, but some more details:

When I use my 4K screen without scaling, the Fusion-tab will hard-crash without warnings/errors. Simply clicking the tab will do.

When I scale my graphics to 150% and re-start, Resolve will ask if I want to reset the UI settings. Clicking yes and going to Fusion now works.

Switching back to 100% and restarting on a 4k monitor will start crashing again.

The monitor resolution is 3840x2160

LOGS: https://cp.sync.com/dl/3b2dc1bf0#cnpm6p ... d-4w2fauvt

SPECS: (See signature below)

yes, definitely HiDPI problem.
Tried your method and was able to open the Fusion page. But everything got significantly bigger - not quite my layout for work.

Exactly, I dislike the huge buttons also. Hope someone from QA sees this.

I wrote several times all the way from 12 version, that buttons and emty spaces between them should not take up that much of UI space...