That's a shame dude.
But FYI v1.11 doesn't cause crashes.
I have ALWAYS used Gunslingers editor upgrade, as have thousands of mission authors. And have NEVER had a problem with it.
Now with Resistance the new Kegetys version did cause problems but it works fine now. (v1.11)
Downloading and installing addons - including the most widely used addon there is - is a requirement of being a reviewer.
The only addons I will NOT install or ask others to install is one that changes ORIGINAL files.