In a Q&A session on Twitter, AMD revealed that they're still working on their frame pacing driver, which will fix issues with uneven frame delivery. An exact launch date is still unknown, at present AMD anticipates a beta release in the June/July timeframe, but people with multi-GPU configurations may have to wait 2-3 more months.
Brolivia Wilde @AMDRadeon when will the new prototype driver will be ready for the public to download? as in, the driver that is addressing frame metering
AMD Radeon Graphics
.@ILoveHitMarkers We're anticipating a beta release in the June/July timeframe. I should note that single-GPU pacing is already fixed. ^RH
Folks with CrossFire configs and dual-GPU Radeons like the 7990 may have to wait 2-3 months for the first public beta driver with frame pacing support. While it's nice to see AMD taking steps to address the microstuttering problem, we should note that Nvidia has had similar frame metering tech since our original inside-the-second article back in 2011. The Radeon team is playing catch-up on this front.