v2.1.9

What's Changed

• [SDCISA-16207] Respond failure immediately in place of waiting for timeout by @hiddenalpha in #595
• Move more blocking json serialization away from event loop by @hiddenalpha in #592
• write more detail log if forwarding to storage fails by @dominik-cnx in #599
• develop to master to trigger release by @dominik-cnx in #600

Full Changelog: v2.1.8...v2.1.9