As of now, I think we have a critical mass to bake a release in 1.1.x branch.

Here's a list of PRs:
https://github.com/opencontainers/runc/pulls?q=is%3Apr+label%3Abackport%2F1.1-pr+

In particular, #3435 is important, as it blocks bumping runc to 1.1 in kubernetes (see kubernetes/kubernetes#109029).