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On 08/07/2018 05:03 PM, Akihiro Motoki wrote:
> Hi Cinder and API-SIG folks,
> 
> During reviewing a horizon bug [0], I noticed the behavior of Cinder API 
> 3.0 was changed.
> Cinder introduced more strict schema validation for creating/updating 
> volume encryption type
> during Rocky and a new micro version 3.53 was introduced[1].
> 
> Previously, Cinder API like 3.0 accepts unused fields in POST requests
> but after [1] landed unused fields are now rejected even when Cinder API 
> 3.0 is used.
> In my understanding on the microversioning, the existing behavior for 
> older versions should be kept.
> Is it correct?

I agree with your assessment that 3.0 was used there - and also that I 
would expect the api validation to only change if 3.53 microversion was 
used.