Pixel Streaming 4.26: buttons working in Development build but not in Shipping build

Development Platform & Builds
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1

I have a 4.26 game that uses some buttons in its UI. These work fine when running the game locally (both Development and Shipping builds). But when I try to run it over pixel streaming, the buttons only work when running the Development build. When I run the Shipping build, the buttons simply don’t work.

Anyone experience anything similar and/or know how to make it work?

2

I was able to solve this myself through extensive trial-and-error with mouse settings in Project Settings. Here are the settings that ended up working:

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I still suspect there is a bug somewhere, however, since this behaves differently in Development and Shipping builds.