This line of code is throwing this notice in comment classes:
<b>Notice</b>: Undefined variable: post_id in <b>.../hybrid-core/functions/context.php</b> on line <b>254</b>
Maybe I'm missing something, but that function doesn't have any $post_id variable.
Hybrid Core development branch:
This has already been fixed.
Ah, didn't think of that. Most people I've seen do development on either master or develop.