Are your GitHub Actions running?

Similar issue. Cant get Terraform Cloud runs going from github commits

Same here!

I also have automatic deploys on Heroku which aren't being triggered

I think its safe to say webhooks are degraded on the platform.

Having problems with receiving push-related webhooks as well.

Same issue here. Also not getting webhooks on new commits.

Same here. Repositories in an organization.

Have the same problem here.

Same here.

No!

Only manual dispatch works