Razor: Link and Script tags, enableoptimizations strips out defer

I’m submitting a [x] bug report about [x] Razor templating

Current behavior Trying to get a <script> on the page using Razor in a View…

    <script defer src="//unpkg.com/@("@")github/clipboard-copy-element@latest" data-enableoptimizations="true">
    </script>

But the result unexpectedly strips out defer…

<script src="https://unpkg.com/@github/clipboard-copy-element@latest" type="text/javascript">

Expected behavior

Seems like it should leave attributes in place that it doesn’t deal with, so I would expect to see this in the resulting HTML:

<script defer src="https://unpkg.com/@github/clipboard-copy-element@latest" type="text/javascript">

Instructions to Reproduce the Problem Add the first code example above to a View/Razor file. It will work, but View Source and the “defer” is gone.

Why change the behavior?
It seems like the behavior of data-enableoptimizations should be to only deal with things it knows about and pass through anything unknown.

Your environment

2sxc version(s): 12.2.1 Browser: all/any

• DNN: 9.09.01 Language: any/all

[iJungleboy]

should be fixed in 13.03

[iJungleboy]

Was fixed in 13.03