Some skin editor options didn't "stick" after being changed.
BYOND Version:513.1517
Operating System:Windows 10 Pro 64-bit
Web Browser:Chrome 73.0.3683.103
Applies to:Dream Maker
Status: Resolved (513.1518)

This issue has been resolved.
Descriptive Problem Summary:
Some interface options aren't currently saving, window opacity, font weight and size, etc.

Numbered Steps to Reproduce Problem:
1) Create a new window/pane interface
1a) Modify the window/pane opacity

2) Create a new label within a window/pane interface
2a) Assign a font and enable bold, italics, etc.

Expected Results:
The config set in the edit window should save.

Actual Results:
The config for certain attributes do not save.

When does the problem NOT occur?
Always occurs for certain attributes, however some attributes are not affected.

Did the problem NOT occur in any earlier versions? If so, what was the last version that worked?

The only workaround I found was for window/pane size, which is to hit update after adding the new parameters - but this has been fixed in 513.1518 already.
Lummox JR resolved issue with message:
Some skin editor options didn't "stick" after being changed.