Descriptive Problem Summary:
When you scroll big map (960x960x2) in dream maker you can see how much it stutters, especially comparing to the previous versions

You can see this on videos: https://imgur.com/a/gtW5ujS

Expected Results:
Smooth user experience

Actual Results:
Lags

Does the problem occur:
Every time? Or how often?
Every time
In other games?
Don't know
In other user accounts?
Yes
On other computers?
Yes

When does the problem NOT occur?
When you use small maps

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.)
515.1633