What are the major differences between Arbortext Editor 7 and 8

[TG_7740109]

What are the major differences between Arbortext Editor 7 and 8? Updating old hardware which have 7.0. Download center only have 8.1 and 8.2 available to load on new hardware. 

[VladimirN · Accepted solution]

"Differences and updates in releases in Arbortext Editor": https://www.ptc.com/en/support/article/CS359593