v4: Mention GPU acceleration fix in docs callout

Closes #22610

site/docs/4.5/components/popovers.md

@@ -136,6 +136,13 @@ Enable popovers via JavaScript:
 
 {% highlight js %}$('#example').popover(options){% endhighlight %}
 
+{% capture callout %}
+##### GPU acceleration
+
+Popovers sometimes appear blurry in Windows 10 devices due to GPU acceleration and a modified system DPI. The workaround for this in v4 is to disable GPU acceleration as needed on your popovers. [See this issue for details and a suggested fix.](https://github.com/twbs/bootstrap/issues/22610)
+{% endcapture %}
+{% include callout.html content=callout type="warning" %}
+
 {% capture callout %}
 ### Making popovers work for keyboard and assistive technology users