I know new caustics capabilities are on the roadmap, but I want to pop on and say I'd LOVE to see whatever voodoo LuxCoreRender is using implemented into Octane. Their caustics converge almost instantly without fiddling with a bunch of different settings or battling fireflies:
Gorgeous! Caustics have for too long been the missing link in cg photorealism (they're everywhere!), I look forward to taking them for granted in the future.