I tried optional 19.12.3 Radeon SW and there were a few OS crashes where there were red squares on the screen. Once system recovered from that state but in other cases not.
Then I downgraded to 19.12.2 and from that time there was only 1 crash. I found some thread observing the same behavior – different count of crashes dependent on SW version experiencing red squares on RX580.
I guess event info could be useful for this case. I cannot 100 % gurantee that event is relevant but I assume it is because this event occurs only after the reboot after crash.
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<Level>2</Level>
<Task>100</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2019-12-29T00:44:33.687699200Z" />
<EventRecordID>13347</EventRecordID>
<Channel>Application</Channel>
<Computer>X</Computer>
<Security />
</System>
<EventData>
<Data>Radeonsoftware.exe</Data>
<Data>10.1.2.1788</Data>
<Data>5df7cf62</Data>
<Data>Radeonsoftware.exe</Data>
<Data>10.1.2.1788</Data>
<Data>5df7cf62</Data>
<Data>c0000005</Data>
<Data>00000000004037e7</Data>
<Data>3df0</Data>
<Data>01d5bde121f5ac78</Data>
<Data>C:\Program Files\AMD\CNext\CNext\Radeonsoftware.exe</Data>
<Data>C:\Program Files\AMD\CNext\CNext\Radeonsoftware.exe</Data>
<Data>7b92b506-c000-48c0-86a3-8c77cfc49ef6</Data>
<Data />
<Data />
</EventData>
</Event>
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<Level>2</Level>
<Task>100</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2019-12-26T03:17:43.654469300Z" />
<EventRecordID>12770</EventRecordID>
<Channel>Application</Channel>
<Computer>X</Computer>
<Security />
</System>
<EventData>
<Data>RadeonSoftware.exe</Data>
<Data>10.1.2.1788</Data>
<Data>5df7cf62</Data>
<Data>RadeonSoftware.exe</Data>
<Data>10.1.2.1788</Data>
<Data>5df7cf62</Data>
<Data>c0000005</Data>
<Data>00000000004037e7</Data>
<Data>35f4</Data>
<Data>01d5bb9b08630f23</Data>
<Data>C:\Program Files\AMD\CNext\CNext\RadeonSoftware.exe</Data>
<Data>C:\Program Files\AMD\CNext\CNext\RadeonSoftware.exe</Data>
<Data>96bd70fc-94a7-477c-9305-8b598973d144</Data>
<Data />
<Data />
</EventData>
</Event>
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<Level>2</Level>
<Task>100</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2019-12-24T15:11:48.032205500Z" />
<EventRecordID>11236</EventRecordID>
<Channel>Application</Channel>
<Computer>X</Computer>
<Security />
</System>
<EventData>
<Data>Radeonsoftware.exe</Data>
<Data>10.1.2.1788</Data>
<Data>5df7cf62</Data>
<Data>Radeonsoftware.exe</Data>
<Data>10.1.2.1788</Data>
<Data>5df7cf62</Data>
<Data>c0000005</Data>
<Data>00000000004037e7</Data>
<Data>b50</Data>
<Data>01d5ba6c74c9c18e</Data>
<Data>C:\Program Files\AMD\CNext\CNext\Radeonsoftware.exe</Data>
<Data>C:\Program Files\AMD\CNext\CNext\Radeonsoftware.exe</Data>
<Data>8d6652cb-cf57-4dab-b723-d075d3accfac</Data>
<Data />
<Data />
</EventData>
</Event>
Crash in either case occured during browsing web using Opera browser.