It's hinted in the linked page: > In order to keep SQLite completely free and unencumbered by copyright, the project does not accept patches. If you would like

It's hinted in the linked page: > In order to keep SQLite completely free and unencumbered by copyright, the project does not accept patches. If you would like to make a suggested change, and include a patch as a proof-of-concept, that would be great. However please do not be offended if we rewrite your patch from scratch.