v2.6.21

What's Changed

• Race condition on stun and debugging output by @tinpotnick in #138
• Blocking calls might be stalling send by @tinpotnick in #139
• One additional fprintf by @tinpotnick in #140
• Gnutls might be blocking by @tinpotnick in #141
• Check long running spin locks by @tinpotnick in #142
• Reduce scope of guard to what is needed by @tinpotnick in #143
• Remove debugging and final tweaks by @tinpotnick in #144
• Update for interupt and join play record command by @tinpotnick in #145

Full Changelog: v2.6.13...v2.6.21