NuFW 2.0.8 has been released to solve an issue with some very recent GLib release. It also improves connections tracking handling.
The full changelog is as follows:
plaintext: fix crash on some system due to direct free() usage
nufw: fix problem with conntrack thread in case of nuauth disconnection
nuauth: fill connection timestamp to avoid logging 0 or EPOCH (in conntrack mode)
doc: add howto.xml in the doc directory