Our normal workflow is to first update the latest stable branch with any updates, that means meta-mender/thud and overtime we try to backport to older branches e.g sumo and rocko. This is done “best effort wise” and timing could depend on many factors.
There is currently a PR to update meta-mender/sumo to include the beta release recipes, but this has not yet been merged.
You can take a look here,
The is also one PR for rocko,
Please note that you need to add the following to e.g local.conf to enable the beta components,
I am having a different problem now, my build gets stuck in fetch because the old branches have been removed. I think it works for you because you had it already downloaded.
This is my error:
ERROR: mender-2.0.0b1-r0 do_fetch: Fetcher failure: Unable to find revision 040a234aba2abb1b8d9351674892a1b0c7202fea in branch update_modules even from upstream
ERROR: mender-2.0.0b1-r0 do_fetch: Fetcher failure for URL: 'git://github.com/mendersoftware/mender;protocol=https;branch=update_modules'. Unable to fetch URL from any source.
So I will be fixing this in addition to the change on your PR.