Want a smoking fast and stable HTC One Android 4.4.2 rom? Check out MaximusHD 32.0.0 by XDA Recognized Contributor, LlabTooFeR.
MaximusHD 32.0.0 is a rebase using the released European HTC One 4.19.401.8 build which features Sense 5.5 and Android 4.4.2 under the hood. Some of the changes made by LlabTooFeR include deodex, updated kernel, cloud printer, and improvements to performance, audio, and camera.
Check the MaximusHD 32.0.0 XDA thread for downloads, installation instructions, and support.
Source and image credit: LlabTooFeR