That link is extremely helpful. It seems like you’re fine to attach cabinets to the wall after drywall. The osb is tied into some serious wood framing behind it, and as long as you’re using fasteners that reach into the osb, it should be about as solid as you could want.
The kitchen metal grumpydaddy suggested isn’t expressly needed here, but that’s the most I’d consider doing to it.
That link is extremely helpful. It seems like you’re fine to attach cabinets to the wall after drywall. The osb is tied into some serious wood framing behind it, and as long as you’re using fasteners that reach into the osb, it should be about as solid as you could want.
The kitchen metal grumpydaddy suggested isn’t expressly needed here, but that’s the most I’d consider doing to it.