nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqw9ayld9gf83lfcn5gwrayg2se0yvmwymcce28nsrljc6f5fmfkyslczut6 I can confirm. Just tried using the LinkedIn post window on Linux Mint running Vivaldi and it triggered the footer just like you said. (Thankfully I never post on LinkedIn!)

Digging in, it looks like I’m not alone. Turns out there’s some bug in LinkedIn that an obscure Vivaldi feature is suddenly triggering. Which means there’s a workaround. https://tosbourn.com/vivaldi-linkedin-bug/

nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqw9ayld9gf83lfcn5gwrayg2se0yvmwymcce28nsrljc6f5fmfkyslczut6 Have you tried deleting your LinkedIn account? I did and my life is better now.

nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqw9ayld9gf83lfcn5gwrayg2se0yvmwymcce28nsrljc6f5fmfkyslczut6 the fix just went out on a minor update :)