There are several known issues/limitations with the current implementation of merged cells:
Thick border problem on merged cells
If formatted gets white border.
Problem with merged cell when scrolling
Merged cells and freeze pane
Merged ...
It should be possible to preselect the alias as the default value to avoid confusing users with IDs defined as base elements.
The setting should be made user-specific.
The Trace Cell is a great feature, but to make it even better let's add the capability to jump from there to the active rule so we can debug and edit it as necessary. Often you can get lost in the weeds and being able to jump directly to the Rule ...
Function INFO("usergroups") to return 0 instead of #N/A
When using a formula to check if a user is part of a group, returning #N/A completely breaks it and it doesn't allow you to use it in an IF, AND or OR. Returning 0 instead of #N/A makes this function way more useful.