Yes. The version 1.0 protocol is bad. [1] Don't use it.

Every time tinc comes up I'm annoyed that 1.1 (which supports an improved protocol iirc and according to the doc you linked; it also has some quality-of-life improvements I put work into) hasn't been officially released, 15 years later.

[1] https://www.tinc-vpn.org/pipermail/tinc-devel/2006-January/0...