The best replacement for 1.3 is 1.4 hdmi.

The best alternatives to 1.3 are rated as following:
★★★★★  1.4 hdmi
★★★★  5.8 fpv
★★★  1.7 macbook air
★★★  1.4 hdmi cable
★★  1.4
★★  2.0 megapixel
★★  1.7 vauxhall combo
★  1.2
★  1.1
★  1.5 honda jazz
★  1.7 combo
★  1.7 ghz
  1.4 hdmi difference
  1.5 vios
  1.4 hdmi cables
  j2ee 1.4
  hdmi 1.4
  hdmi 1.2
  1.4a
  1.5 avanza
  1.3b
  1.5 honda city
  1.3a
  2.6
  myvi 1.5
  hdmi 1.4 cable

Your alternative for 1.3 is not listed? Suggest!
Speaking about 1.3, one probably shouldn't forget about 3d.

Other search terms related to 1.3 and their ratings are:
★★★★★ 3d
★ arc
You have in mind a companion for 1.3 and it is not yet here? Propose!



Google Trends

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1.3
1.4 hdmi
5.8 fpv