I've migrated all the Pylons Project repositories over. We were waiting hours for a job to start on travis-ci.org. Now we have up to 10 concurrent tasks running, with almost no delay in the queue. I highly recommend that this be done for Plone sooner than later. It was painless to migrate.
Pyramid migrated to GitHub Actions in May 2020. Following its shining example, I am nearly done with migrating Deform to use GitHub Actions. The only difference is that I did not switch yet from nosetests to pytest, but that is next. Nonetheless all jobs pass.
I highly recommend GHA. It's screaming fast with all jobs running concurrently across multiple OSes. For example 25 jobs completed across 6 Pythons, 3 OSes, and 2 architectures, plus lint, docs, and coverage, completed in 2 minutes, 18 seconds.
Is anyone already asking Travis for extra OSS credits for the collective and plone organisations?
For the zopefoundation, Jens Vagelpohl started the process on 5 November, but looks like they had no definitive answer from Travis yet.
Meanwhile for both the collective and plone organisations, no jobs can be run on the new travis-ci.com currently, because the 10,000 free credits have been spent already:
Builds have been temporarily disabled for private and public repositories due to a negative credit balance. Please go to the Plan page to replenish your credit balance.
That is after only a few days in January, and with most jobs still running on the old .org.
For collective, it says:
-10 available credits (purchase date: January 08, 2021)
You have used 10010 of 10000 credits
The mentioned purchase date is today, and it does not look like any jobs have run today, so that may be an error.