HDMI 1.0
Released December 2002.
Single-cable digital audio/video connection with a maximum bitrate of 4.9Gbps. Supports up to 165Mpixels/sec video (1080p60Hz or UXGA) and 8-channel/192kHz/24-bit audio.
HDMI 1.1
Released May 2004.
Added support for DVD Audio.
HDMI 1.2
Released August 2005.
Added support for One Bit Audio, used on Super Audio CDs, up to 8 channels.
Availability of HDMI Type A connector for PC sources.
Ability for PC sources to use native RGB color-space while retaining the option to support the YCbCr CE color space.
Requirement for HDMI 1.2 and later displays to support low-voltage sources.
HDMI 1.2a
Released December 2005.
Fully specifies Consumer Electronic Control (CEC) features, command sets, and CEC compliance tests.
HDMI 1.3
Released 22 June 2006.[7] [8]
Increases single-link bandwidth to 340 MHz (10.2 Gbps)
Optionally supports 30-bit, 36-bit, and 48-bit xvYCC with Deep Color or over one billion colors, up from 24-bit sRGB or YCbCr in previous versions.
Incorporates automatic audio syncing (lip sync) capability.
Supports output of Dolby TrueHD and DTS-HD Master Audio streams for external decoding by AV receivers.[9] TrueHD and DTS-HD are lossless audio codec formats used on HD DVDs and Blu-ray Discs. If the disc player can decode these streams into uncompressed audio, then HDMI 1.3 is not necessary, as all versions of HDMI can transport uncompressed audio.
Availability of a new mini connector for devices such as camcorders.[10]
HDMI 1.3a
Released 10 November 2006.[11]
Cable and Sink modifications for Type C
Source termination recommendation
Removed undershoot and maximum rise/fall time limits.
CEC capacitance limits changed
RGB video quantization range clarification
CEC commands for timer control brought back in an altered form, audio control commands added.
Concurrently released compliance test specification included.