Improving GNU Radio Companion (GRC) usability

This page is to document the different usability improvements to GNU Radio Companion (GRC).

When a .grc file behaves differently due to being opened on different GRC version
This work is related to Github Issue 5561

1. Do research with community to understand what they do when this happens currently.

I've put together a short survey to ask users for their experience of this situation, what behaviour was caused, how they dealt with it.

Based on the results of that research we create some notifications with advice on how to deal with it.

2. Create notification help text