On 28/09/2022 20:08, Krzysztof Kozlowski wrote: >> >> So the fix for V3 should be the following ? > > patternProperties: > "^.*@[0-4],[a-f0-9]+$": > type: object > $ref: st,stm32-fmc2-ebi-props.yaml > unevaluatedProperties: false As Marek pointed out on IRC, unevaluatedProperties:false won't work here. :) Best regards, Krzysztof