I’m still using my 3.5e books from the 2000s. Didn’t switch to 4e for reasons and am too invested into STA to be bothered by 5e. 
By the way:
Yep, @Modiphius-Nathan himself said that. 
I love the advancement rules that came with the Klingon Corebook/Tricorder Digest and pity all those who don’t have access to them.