ac91371 Prevent crash when sending invalid video
074daf6 Prevent crash when media player creation fails
88b9bfb Fix for non-printable file name of an attachment
698d181 Crash on a race condition
d993e8b Crash when viewing remote image
88e24aa A few fixes for crashes found by crashlytics
Full Changelog: v0.23.1...v0.23.2