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Xianshan <xiexs at cn.fujitsu.com> wrote:

> Hi, Duncan & michael,
> Thanks a lot for your replies.
>
> Definitely I agree with you that the microversion is the best approach to  
> solve the backwards compat,
> and the neutron is also going to adopt it [1]. But it will take a long  
> time to totally introduce it into neutron I think.
> So IMO, we can continue this discussion and then implement this feature  
> in parallel with the microversion.
>
> Actually, according to the design [2], only a slight change will be done  
> once the microversion landed, i.e.
> replace the ' new header ' with the microversion to control the final  
> format about the error message in the wsgi interface.
>
> [1] https://review.openstack.org/#/c/136760/
> [2] https://review.openstack.org/#/c/298704

If no one is going to help with microversioning, it won’t ever happen. I  
suggest we consolidate whichever resources we have to get it done, instead  
of working on small API iterations as proposed in the thread.

Ihar