PSA: This is a warning … I have updated the Volla 22 build to be based on halium-12, not the original halium-11. No changes are public yet, so there is no risk (unless you are using the devel repository, in which case, meh 
… Before upgrading to sailfish 5.0, it will probably be necessary to flash back to Volla OS, and upgrade to the last 12.1 version, then flash a clean SailfishOS build.
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