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Upgrading from 15.4.3 to 15.4.4+ broke my production builds

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Gray Jay posted this in #help-forum
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Gray JayOP
I recently upgraded from Next.js 15.4.3 to 15.4.4 and although the build runs fine, the resulting application suddenly throws weird errors. We're using [dynamics-web-api](https://github.com/AleksandrRogov/DynamicsWebApi) to talk to an MS Dynamics CRM and the whole communication with this CRM seems to just not work anymore - for lack of a more detailed description. It's kinda hard to debug, because everything still works correctly in Next's development mode (with TurboPack). I enabled TurboPack for the production build, but this didn't help, so it doesn't seem to be a Webpack issue. Judging from the changelog for 15.4.4 the only change which in theory could have any impact here is the upgrade of swc. Does anybody have any pointers on what might be going on here? All versions after 15.4.4 (including the newest 15.4.6) have the same problem.

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