Addressed in the weekly update (Criticism)

by Claude Errera @, Thursday, February 01, 2018, 15:06 (887 days ago) @ Robot Chickens

This is addressed in the recent update - they're working on it.

Shader Previews: An issue was discovered shortly after deployment impacting Shader Previews. If a player attempts to preview a shader, the tooltip will automatically change to display the first page of shaders in inventory. The issue has been escalated to the appropriate team for investigation.

Complete thread:

 RSS Feed of thread