Intel rolled out a new update for its HD Graphics 5500/6000 and Iris Graphics 6100 integrated graphics in the 4th and 5th generation Core processors, you can download this driver over here.
The new release solves a long list of bugs and features improved VP9 video format playback through partial hardware acceleration, support for GPU accelerated HEVC (4K) video decoding, and additional OpenCL extension support.
New driver now available with support for 5th Generation Intel® Core™ Processors with Intel® HD Graphics 5500, Intel® HD Graphics 6000, and Intel® Iris™ Graphics 6100 and key enhancements for 4th Generation Intel® Core™ Processors. Benefits of updating to this driver include addition of video playback of VP9 video format (for Chrome video playback, Google Hangouts), HEVC video format (for 4K Ultra HD video playback) and expanded Open CL and Open GL extension support.
This new driver release is timed with the newly released 5th Generation Intel Core Processor which has faster 3D graphics, faster CPU performance, faster video conversion, and more than 1.5 hours longer battery life.