Tomorrow evening I will add a new feature which was requested by a user:
The 0.8.3b release will also include a bugfix for a very rare issue where a selected vertex can't be merged to the nearest edge.
Quote:When you select a vertex and do a "show in text editor", and the Text Editor switched to the "SyncEdit" mode and marked the locations where this vertex is used
The 0.8.3b release will also include a bugfix for a very rare issue where a selected vertex can't be merged to the nearest edge.