We know about the compile errors on Unity 6.5 and 6.6 (GetInstanceID, and the old FindObjectsByType sort argument).
Keyline 1.3.1 fixes them and keeps the package working on Unity 6000.0 through 6000.6.
Hi everyone!
The new version of Keyline [1.3.0] is released. Take a look at the Quick Start with Keyline Outline video:
How to Easily Add Outlines & Highlights to Objects in Unity | Keyline Tutorial