http://forum.doom9.org/showthread.php?p=1787605#post1787605
madVR v0.91.2 released
* renamed NGU quality levels: Low -> Med, Med -> High, High -> VeryHigh
* added a new even faster NGU "Low" variant
* reworked chroma/image up/downscaling/doubling settings pages
* removed NEDI and super-xbr image doubling algorithms
* small speed improvement for NGU-Med (former NGU-Low)
* small quality improvement for NGU-Med/High (former NGU-Low/Med)
* settings dialog warns when SuperRes and NGU are enabled at the same time
* pixel shader database is compressed now to save space

http://forum.doom9.org/showthread.php?p=1787664#post1787664
madVR v0.91.3 released
* fixed: NNEDI3 doubling could crash in certain situations
* fixed: NGU chroma upscaling didn't allow "veryHigh"
* fixed: SuperRes strength controls were disabled for chroma upscaling