WS4913 CO detectors and DSC panel versions?

Is anyone using one with a DSC PC1832 or PC1864 panel and the Envisalink 2DS or 3? If so what panel revision?

I purchased two WS4913s but it appears that they need a higher panel revision than my PC1832 (currently 4.24).

The WS4913 page on the DSC site says panel revision 4.5 or above, but I was wondering whether I could get confirmation from someone here of a known-good panel revision that works with WS4913s. I’m looking at going through the process of getting DLS working with a PC-LINK cable to back up and restore my panel config, but would really like to know that I am going to end up in a good state. I’ve had a pretty stable system with Vera 3, the panel and the DSC plugin for a long time now.

The latest PC1832 panel revision commercially available is 4.6, but there are docs for 4.7 now on the DSC web site.

I also have a RFK5500 wireless panel, is there a required rev for that? The manual says it supports WS4913 and does not specify a minimum revision.

Thanks