Announcement Generally available: When sending private messages, Chat apps can now include interactive accessory widgets. Feature Generally available: We’re enhancing membership roles in Chat spaces by introducing a new membership role type. In the Chat UI, existing space managers are now owners and a new manager role is added. Previously, there were three membership role types in Chat API. MEMBERSHIP_ROLE_UNSPECIFIED, which meant a user wasn’t a member but could be invited. ROLE_MEMBER, which…