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Contributing
Pull requests are welcome. For easier coordination you can visit the developer discussion channel on Discord or alternatively the Matrix Server. Before submitting a pull request, please read and follow our code style guidelines listed in CODING_STYLE.md.
If coding isn't your thing, testing games and making detailed bug reports or updating the (usually outdated) compatibility wiki is also appreciated!
Questions about Cemu's software architecture can also be answered on Discord.
AI-generated contributions:
For new contributors we ask that all code submitted is written and understood by a human. You can use AI for planning, designing, reviewing and for asking questions about the codebase, but the code itself needs to be written by you. As a small exception you can use IntelliSense-style AI code autocompletion for pure boilerplate code as long as it's only a small part of your submission. To further clarify, when we ask for "human written" that excludes letting an AI write the code and then paraphrasing it. In other words, we are asking for human effort.
Why this policy exists:
We have relatively low reviewing capacity and requiring human-written code increases the quality and trustworthiness of submitted pull requests. There are also general concerns with AI usage in emulation:
- LLMs tend to make up solutions that work on the surface but are generally not accurate in the emulation sense
- There is evidence that LLMs have been trained on leaked proprietary SDKs and we cannot verify the origin of the knowledge. This is especially a problem for core emulation logic
Please keep these points in mind when contributing to Cemu. Contributions that do not follow this policy may be rejected.