Hi Dragon,
in addition to Dennis' comment:
When attaching (the same) VI in different LV versions you could (should?) name the versions properly like Untitled_2009 & Untitled_86 It's much easier to pick the version you're interested in!
Best regards,
GerdW
using LV2016/2019/2021 on Win10/11+cRIO, TestStand2016/2019