I'm so excited for this too! I'm really excited to continue bringing GitLab workflows closer to where developers are doing their work and hope this is going to be a really meaningful step in that direction.
I'm also interested to see what kind of impact it has on large MRs, but do know it's not the answer for what happens in GitLab.
Impatiently wafting for this so I don't have to use sluggish browser any more:
https://gitlab.com/gitlab-org/gitlab-vscode-extension/-/issu...