0.26.0

• Add a download icon to file list (#2817)
• Add ability to hide embedded media
• Add checks to removeRoomOwner to deny removing last owner
• Add Livechat custom fields (#2840)
• Add New status for livechat agents (#2821)
• Add option on custom oauth to send access token in headers or in payload (#2818)
• Add pin-message permission to users when public pinning was allowed
• Add scope option to create roles
• Allow creating new roles with room scope and add/remove users to role
• Change add-user permission to create-user permission, to avoid mistakes with add-user-to-room permission (to be created)
• Clear stream read permission cache on subscribe
• Clicking outside the message actions box closes it
• Close #2656 Add schemes settings for Markdown links (#2794)
• Close #2656 Markdown Headers do not work
• Close #2696 RocketChat hijacking Firefox shortcut
• Close #2744 Add a description with warning text for Force_SSL
• Create archive and unarchive room permissions
• Create new model method insertOrUpsert based on _id
• Create permission to add user to room
• Disable auto-linking inside Katex
• Do not set DDP_DEFAULT_CONNECTION_URL
• Feature to add maximum channel members for an @ALL message to send notifications (#2826)
• Fix #2743 loadSurroundingMessages' TypeError: Cannot set property
• Fix #2751 When no password is set (logged in via oauth), don't ask for password when saving profile and ask for username when deleting account
• Fix menu touch/move and audio touch
• Fix migration 36 (assets) using a new migration 42
• Hide livechat users and rooms from the admin pages (#2820)
• Replace Autolinker.js and add AutoLinker settings
• Update archive and unarchive room permissions
• Update emojione to 2.1.4
• Update fontello from livechat app
• Update bash shebang on shell scripts for portability
• Use insertOrUpsert for new messages in Messages model
• Use new error format
• Use RocketChat Logger as SyncedCron logger
• When creating a room, set user only as owner, not moderator