Mutable_appearance that can cause ui issues by using new

[ppi13]

Exploit Reports

• [X] I confirm this issue is not an exploit. (Required)

BYOND Version

515.1620

Issue Description

These are the list of mutable_appearance which still uses new in one way or another, which is known to have caused UI issues.

What did you expect to happen?

No response

What happened instead?

No response

Why is this bad/What are the consequences?

No response

Steps to reproduce the issue.

.

When did the problem start happening?

.

Extra information

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Relevant log output/runtime error

No response