# Does this version of OPC UA support pub sub specification?

**URL:** <https://forum.inductiveautomation.com/t/does-this-version-of-opc-ua-support-pub-sub-specification/12591>\
**Category:** Ignition\
**Created:** [January 24, 2017, 1:08pm UTC](https://forum.inductiveautomation.com/t/does-this-version-of-opc-ua-support-pub-sub-specification/12591 "2017-01-24T13:08:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pcy123](https://avatars.discourse-cdn.com/v4/letter/p/b2d939/32.png) [@pcy123](https://forum.inductiveautomation.com/u/pcy123)\
**Post date:** [January 24, 2017, 1:08pm UTC](https://forum.inductiveautomation.com/t/does-this-version-of-opc-ua-support-pub-sub-specification/12591/1 "2017-01-24T13:08:40Z")

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Is the OPC UA pub/sub specification supported.  
If not when will it be release?  
thanks

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [January 24, 2017, 2:56pm UTC](https://forum.inductiveautomation.com/t/does-this-version-of-opc-ua-support-pub-sub-specification/12591/2 "2017-01-24T14:56:41Z")

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No, the PubSub spec and OPC UA 1.04 aren’t even finalized yet. If we add support it would be somewhere on the Ignition 8.0 or beyond timeline.

What parts of it are you interested in?