so far there arent any mods available yet that I would use personally, but I was wondering if forge and data packs will get along? I use simple data packs such as sapling auto planter and one of the book case/furniture datapacks. I'd like to see them work along side Journeymap and any recipe mods.
Datapacks do get along with Forge 1.13.2 mods, but I've not had much experience with either Datapacks & Forge 1.13.2 mods 'together' due to only briefly testing Forge 1.13.2 mods most of the time rather than answering questions like this myself which I technically should XD. I do know thaty Rift and Datapacks had their 'conflict' period but that's not an issue anymore and I've used them more together than Forge 1.13.2's mods.
To me (my opinion of the state it's in) Forge 1.13.2 is good if you want to test them or help the development of them with bug reporting as a mod user. Otherwise Forge 1.13.2 is in my eyes in a 'public beta' not just for Forge itself but mods work out the 'adjusting' of porting their mods over. If you want mods that have supported 1.13/1.13.2 for a while now go to Rift Modloader and it's mod offerings. It's more stable then Forge 1.13.2 but still not perfect of course, just not as unstable as Forge 1.13.2 mods due to Forge 1.13.2 being so new while Rift has been around since around June 2018 it was getting more notice I'd say. But for the options of mods it will be less than Forge obviously and is over time but I'd recommend that modloader if you want a good enough mod experience with datapacks. Or just using datapacks on their own.
I have this thread for all Rift information you need to know of mod options familiar and new and things your after like Voxelmap for a minimap mod, Roughly Enough Items for an NEI/JEI like mod, MrCrayfish's furniture mod. That a look at this "IF" you want to know more:
Niche Mod Finder/Acknowledger/Tester/Player. Fan of Datapacks, Rift 1.13/1.13.2 Mods, Fabric 1.14 Mods and interesting underrated or new 1.12.2 and below versions of mods. :) Testing 1.13.2 Forge and Fabric 1.14 mods mostly though.
I sometimes create the odd modpack or adventure map once an idea comes together.