Enable Order Independent Transparency why Experimental?

Development Pipeline & Plugins
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Hey Epic,

Why is the project setting “Enable Order Independent Transparency” (cvar equivalent r.OIT.SortedPixels=1) still marked as Experimental?

It has been the part of the engine since 5.4, and now that we are starting to use this in production we were wondering if there are any reasons for concern since it’s still considered an Experimental feature?

Thanks

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Hello,

OIT is marked as Experimental because it hasn’t been used extensively in production and there is some concern over the performance cost of enabling the feature for real-time use-cases.

Hope this helps, please let me know if you have further questions.

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Hello,

I just wanted to post a reminder that Epic will be on holiday break starting next week (Dec 22, 2025) and ending Jan 5, 2026 and there will be no responses from Epic on public or private tickets, though you may receive replies from the community on public tickets.

We wish you happy holidays!

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