As of 516.1657, icons in maptext seem to be much bigger than they should be.
Some sources of maptext work fine most of the time, but can scale larger randomly. Unsure what the conditions for that is.
Numbered Steps to Reproduce Problem:
1. Add icons to maptext (using \icon)
2. Look at them.
Code Snippet (if applicable) to Reproduce Problem:
Test project with the issue (used for the screenshots below)
Expected Results:

Actual Results:

Does the problem occur:
Every time? Or how often? Some sources of maptext seem to work most of the time, but can be flaky.
In other games? Yes.
In other user accounts? N/A
On other computers? Other people also have the problem.
When does the problem NOT occur?
On BYOND 516.1656 and older.
Did the problem NOT occur in any earlier versions? If so, what was the last version that worked? (Visit http://www.byond.com/download/build to download old versions for testing.)
Works fine in 516.1656, issue occurs in 516.1657 onwards.
Workarounds: None known, besides downgrading BYOND.