Mail.ru Agent 4+

Chats:
— Added the ability to drag and drop downloaded files from the application to the desktop, browser, or another application
— Added the ability to drag and drop system file folders into the application. Before sending, a folder is packed into an archive (.zip) and transferred as a single file
— Chat information download speed increased. (Open any chat → click the "Information" icon (i) in the top right corner)
— Updated hotkeys for switching between chats (Settings → Shortcuts → Recent chats)
— Optimized system input of special characters on MacOS. If this is enabled in the System Preferences, a context menu will appear when you hold down some keys on the keyboard
— Fixed an issue where the presence of the "Threads" icon in a chat message was sometimes not displayed
— Fixed an issue where some interface elements were duplicated

Calls:
— Microphone/sound/video buttons are now crossed out in white when inactive
— Fixed an issue where Linux (RED OS) users were not getting a call window in certain scenarios