5.68.9.20261009082817

  • [Security] Security improvement (#27550)
  • [Fix] Download all attachments from an email message is missing after the email envelope migration (#27186)
  • [Fix] Customer-ended chat is left in running conversations when a call runs on the ticket, ticket then stuck in "Chatting" (#27698)
  • [Fix] Downloaded call recording file has no extension, preventing local playback (#27150)
  • [Other] Refactorings and other fixes (#23277)(#25805)