Arcadyan AW1000 with snapshot R-28228 does not work with Attended Sysupgrade in LuCI

Installing and Using OpenWrt
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In the Arcadyan AW1000 with snapshot R-28228, I get this error in Attended Sysupgrade: TypeError promises[0].packages is undefined

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Same here in x86/64, it's probably related to the migration to apk.

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