NB! Refocusing issue from adding a column for published date to instead making it possible for users to add descriptions to custom templates.
The following is based on testing the PR Gutenberg Build from this PR:
#36379 (comment)
What problem does this address?
If the user has two similar templates it would be helpful to have a column for when the template was created.

What is your proposed solution?
Perhaps something similar to this (Refocusing the issue so users can add a description to custom templates)

NB! Refocusing issue from adding a column for published date to instead making it possible for users to add descriptions to custom templates.
The following is based on testing the PR Gutenberg Build from this PR:
#36379 (comment)
What problem does this address?
If the user has two similar templates it would be helpful to have a column for when the template was created.
What is your proposed solution?
Perhaps something similar to this(Refocusing the issue so users can add a description to custom templates)