New features

• Zoom functionality added to Image Viewer in Thread View
• Context menu is now available for attachments in preview

Improvements

• Attachment list in Attachment Preview now functions the same as one in message view
• TXT and other plain text files are now shown in virtualized view for better performance on very large files

Fixes

• Fixed a bug when an attachment inside attached message (.eml, .msg) wasn't showing
• Fixed a bug when attempt to open an attachment via context menu won't show a preview and result in message viewer turning blank