Ok, filed it: OH3 rules DSL: Random cannot be resolved to a type · Issue #1935 · openhab/openhab-core · GitHub
Also upgraded to RC1, confirming the same problem after upgrade.
Ok, filed it: OH3 rules DSL: Random cannot be resolved to a type · Issue #1935 · openhab/openhab-core · GitHub
Also upgraded to RC1, confirming the same problem after upgrade.