Designer Launcher 1.3.0

Anyone run into an issue where the designer launcher from 8.3 cannot open projects from 8.1.X?

Designer Launchers don't open projects, they open Designers.

Designers open projects.

Are you failing to launch a Designer against an 8.1.x gateway? What version of 8.1 is it? What is the error?

yes, I meant I used the designer launcher from 8.3 gateway to try to access the 8.1 gateway, but getting an error “this launch client jar signature is invalid“

Probably this: 8.3 designer unable to open Ignition 8.0.4 GW - #2 by Daniel_Kearney

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