According to the release notes, the Radeon Software Crimson ReLive Edition 17.4.4 adds game specific optimizations for Sega's and Relic Entertainment's new Warhammer 40,000: Dawn of War III game, including up to a seven percent improvement on the Radeon RX 580 8GB graphics card, when compared to the earlier RSCRE 17.4.3 driver.
It also fixes several bugs and issues including corruption on some displays when using HDMI scaling, stuttering in multi-GPU mode with 4K display resolution and DirectX 11 in Battlefield 1, issues with HDR color in Mass Effect Andromeda on Windows 10 Creators Edition, minor issues with Radeon Settings, issues with system hang on Radeon RX 550 as well as missing reboot prompt with Radeon Software installation on AMD XConnect configurations.
As always, the Radeon Software Crimson ReLive 17.4.4 driver supports all Radeon series graphics cards since HD 7700/HD 7900 days and is available for Windows 10 and Windows 7 in both 32-bit and 64-bit versions as well as Windows 8.1 in 64-bit version.
You can check out the full release notes as well as find the appropriate download link over at AMD's support page.