Yes, they are indeed codesys-based.
I Kevin, I have 42 new Siemens 1500 PLC connected to Ignition. As you know, OPC A&E Alarms and conditions compatible. We have siemens pro-diag alarming system which is accessible via OPC A&E. Can you tell me if the new beta version of ignition is compatible? Avoiding to develop something already outdated. Regards
No change since this unfortunately.
Any update on the roadmap? Using a Beckhoff OPC server with TwinCAT event logger, so integrating this into event streams would be nice.
Just linking to this instead of copying and pasting:
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Timeline for the Event Streams support shifted to 2027.2, from 8.3.x. No timeline on integrating it with the Alarm system
Do you have any updates regarding support for OPC UA A&C in Ignition 8.3.x? On our end, this is the reason we are not yet using your product. Given the number of people on the forums and elsewhere mentioning this significant gap, I believe we are not the only ones waiting for this feature before moving forward with the transition to your product.
Right there in the previous comment. No earlier than 2027.2.
The community has been highlighting this major gap for quite some time, and it has now been postponed by another year. This naturally raises concerns about whether it may be delayed once again. It also sends a strong message regarding your commitment to resolving this issue and your responsiveness to the community. In the meantime, we will need to evaluate other solutions. Thank you for your quick response!
Meh.
IA tackles many "major gaps" every year across the entire SCADA niche and related markets. It is far more responsive to user needs than any such company in my entire 35-year work history.
This one didn't make it this year. 
Judging IA on this one technology is foolish, IMNSHO.
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I am not saying otherwise. In my view, you offer the best products on the market, and we would genuinely like to use your platform as our IIoT foundation, especially since Ignition is clearly positioned as more than just a SCADA solution. However, when the platform does not support a standard such as OPC UA A&C especially considering that major PLC vendors such as Siemens, Beckhoff, and others rely on it, it is difficult for us to understand that gap.
From our perspective, this is a fundamental capability, not a niche request. You say āThis one didnāt make it this year.ā but it didnāt make it the last 6 years.
Again, I love your product, but it is difficult to sell the solution to executives when it does not include key features like this.
Maybe it's more of a European thing, but I've never had a need for it and never had a customer ask for it. I pretty much do exclusively Allen Bradley though which if you use their software it has their FactoryTalk Alarms and Events, but it's pretty proprietary I believe to using their software with it.