5.12.7.4

  • [Fix] iOS push certificate will expire in 20th Jun (#8456)
  • [Fix] Incorrect api version parsing (#8428)
  • [Fix] Outgoing mail is in 'Waiting" state until Agent send another mail. (#8300)
  • [Performance] Customer send huge amount of email in very short time (#7374)
  • [Performance] Decrease limit of outgoing emails for built in mail account (#8467)