Summary

When selecting a set of vertical rows or cells, merging does not work in Confluence 6.7.0 or higher
This worked in previous versions of Confluence.
Merging two cells horizontally does still work.

Environment

• Confluence Server 6.7.0

Steps to Reproduce

1. Create a table
2. Select cells on top of one another
3. Click to merge
4. Nothing happens

Expected Results

Above are the results from 6.4.0

Actual Results

Above are the results in 6.7.0

Workaround

If a numbering column is used, first remove the numbering column using the button in the toolbar, then merge the cells, then add the numbering column.