There is always libexpat, which works very well, also for the streaming case.

Expat is suffering from similar problems: https://github.com/libexpat/libexpat/blob/7643f96bd5b9f5d3b2...

> <blink>Expat is UNDERSTAFFED and WITHOUT FUNDING.</blink> > The following topics need additional skilled C developers to progress > in a timely manner or at all (loosely ordered by descending priority):