Contribute to QEMU!

Report a bug in our bugtracker: https://bugs.launchpad.net/qemu/
See also How to report a bug or How to report a security bug

Clone (or browse) the git repository:
git clone https://git.qemu.org/git/qemu.git

Join the mailing list: qemu-devel@nongnu.org
See the list of QEMU mailing lists

Chat with the developers on IRC: irc.oftc.net, channel #qemu

Read developer documentation: “Getting started for developers”, “Contributor FAQ”, “How to submit a patch”, “Improve the website”