Steps to reproduce:
Open a YouTube Video and if it has an ad, you will see the first slide of the ad before it is blocked
(I can't get this on every video but can see it consistently on
Expected behavior:
Ad gets blocked without the first slide being shown
Orion, OS version; hardware type:
Version 0.99.110-beta (WebKit 613.1.12)
macOS 10.15.7
Image/Video: