As far as i know, no, i'm not a OpenComputers developer, however i have some knowledge in Forge modding, one problem they will have to encounter is that making OC compatible with 1.13.x would need changing most of the code (mostly because it makes usage of metadata, and some other things). So it will probably be hard and long to do, since it will be long, i think it will probably be in beta (or something like that) for 1.13, and finished when 1.14
However, this is only what i'm saying, it isn't approved by any of OpenComputers active developers, so considerate what i said as a poss