# WARNING: Until issue #173 goes through, the [core][1] repository will not be up-to-date with the latest changes and fixes, but can still be used.
# WARNING: Until issue [#173](https://github.com/tmk/tmk_keyboard/issues/173) goes through, the [core][1] repository will not be up-to-date with the latest changes and fixes, but can still be used.
If you want to use TMK for your own keyboard project, you've got three options for embedding the [core][1].
The recommended option is [subtrees](#1-git-subtree).