Preview version 26.5_Preview4 (2026-08-31) changelog:

• Improvement: added automatic detection of junctions or symbolic links used for the slash folder
• Improvement: added support for WebAuthn redirection in RDP sessions, allowing Windows Hello requests to be redirected to the local computer
• Improvement: updated the embedded Xorg server to its latest version
• Improvement: updated the embedded PuTTY-based terminal to its latest version
• Improvement: updated the embedded OpenSSL library to its latest version
• Improvement: updated the embedded OpenSSH command to its latest version
• Improvement: added support for Ctrl+Mouse Wheel events in VNC sessions
• Improvement: added support for keyboard shortcuts in VNC sessions using combinations of Ctrl, Alt, Shift, Win, and/or standard keys
• Improvement: automatically adapts the VNC session size after the remote desktop resolution is changed
• Improvement: improved copy-and-paste operations in VNC sessions
• Improvement: added support for new VNC encodings: Tight, Hextile, RRE, and TRLE
• Improvement: added support for new VNC authentication methods: Tight, SASL, UltraVNC, and MsLogon2
• Improvement: added several enhancements to VNC sessions for better performance and compatibility with specific remote servers
• Improvement: in SFTP sessions, files can now be dragged directly from the remote server into a subfolder in the local file browser on the left
• Improvement: prevented MobaXterm from searching for translation files in the installation folder
• Improvement: added an option in the Customizer to disable all local terminals, including CygUtils and WSL
• Improvement: added an option in the Customizer to disable the MobaXterm debug log
• Improvement: assigned the main icon to the main window class to prevent an empty icon from appearing in the Windows taskbar
• Improvement: improved startup speed by preventing MobaXterm from searching for files that are no longer needed
• Improvement: added a verification step to ensure that the CygUtils file has not been altered before it is unpacked
• Improvement: restricted permissions for the installation folder
• Improvement: prevented MobaXterm from attempting to load the "winsta.dll" file at startup
• Bugfix: fixed an issue where the mouse wheel did not work properly in a VNC session displayed on a secondary monitor
• Bugfix: prevented VNC sessions from locking the clipboard
• Bugfix: prevented the "ssh -legacy" command from failing when the server offered an "ssh-rsa" host key
• Bugfix: properly handled the "DesktopSize" encoding in VNC sessions
• Bugfix: removed an error message that could appear when exiting MobaXterm while the "View" menu was still open
• Bugfix: prevented unexpected word wrapping in the "View" menu title