Coverage remained the same at 74.511% when pulling fccb94a on workflow-triggers-push-pull_request into d0f13bb on master.

I disabled pull_requests due to security. As I did not know how it works for foreign PRs.

I disabled pull_requests due to security. As I did not know how it works for foreign PRs.

Without pull_requests trigger, PRs opened from forked repos do not get scheduled, like happened in #636

I do not understand why some upload tasks failed. They should have been ignored.

I do not understand why some upload tasks failed. They should have been ignored.

It is because there is package with the same version on the channel. It was happened when we added release* branch for uploading.
Version is from latest tag + number of commits from tag (as build number). Now branch release0.11 is used for preparing release. It contains tag 0.11.0rc1. At the same time master branch have tag 0.11.0rc1 and do not have tag like 0.12.0dev0 for building packages for the next release as master branch is for new development and release0.11 branch for stabilization. But there is also branch gold/2021 which is the same as release0.11 now and used for building in internal CI.
Possibly release branches are overhead but they are useful for stabilization before release and master should be considered like something not for the current release - for merging changes during code freeze.

Can we use --skip option of anaconda to not error out in such situation?

Can we use --skip option of anaconda to not error out in such situation?

We can. But it will only hide an error.
Process should be changed. Two branches master and release should not create packages with the same version.
Version is defined according to the last tag. So master and release should have different last tags. I.e. master 0.12.0dev0 and release 0.11.0rc1. But sometimes master urgently receives updates which also needed in release. So we usually do merge master to release. It makes 0.12.0dev0 merge to release. Cherry-picking instead? Do not know.
Maybe release from master? How to stabilize master during release? Stop breaking features for some time? Possibly.
So How to do that? - this is the question.