Preview version 26.4_Preview4 (2026-06-04) changelog:

• New feature: added support for smart card certificate authentication in SSH sessions using Microsoft CryptoAPI
• New feature: added a smart card management interface (add/remove smart card certificates, retrieve the OpenSSH public key, ...)
• New feature: added a right-click option on SSH sessions to open an SFTP session with the same parameters
• New feature: you can now choose the SSH browser location by clicking the SSH browser title icon, allowing you to display your sessions and the SSH browser simultaneously
• Improvement: added a new option in SSH session expert settings to select a smart card certificate
• Improvement: added a new option in the global settings to add a smart card to MobAgent
• Improvement: multiplex mode is now automatically applied for the SSH browser when the SSH session uses a smart card
• Improvement: deferred the creation of system and toolbar icons to increase startup speed
• Improvement: deferred the creation of item lists with checkboxes to increase startup speed
• Improvement: added caching in graphical components to prevent unnecessary recalculation of their dimensions
• Improvement: prevented core components from triggering unnecessary Windows messages when invisible at startup
• Improvement: improved management of embedded fonts in memory at MobaXterm startup
• Improvement: added a default openssl.cnf configuration file for the local terminal "openssl" command
• Improvement: added the "linux" terminal type to terminal-based session settings
• Improvement: install embedded fonts into Windows to prevent rendering issues when the Windows embedded fonts feature is disabled
• Improvement: the master password prompt no longer stays on top of all windows after unlocking the Windows desktop
• Improvement: improved the appearance of the remote monitoring bar by preventing double borders when the bar is adjacent to another
• Improvement: column sizes in the SSH browser are now saved and restored upon MobaXterm restart
• Improvement: added a confirmation prompt before overwriting files downloaded or uploaded with the SSH browser
• Improvement: the default WSL shell can now use native authentication with the "DefaultWslUsesNativeAuth=1" directive in the "Misc" section of the configuration file
• Improvement: improved the management of PNG image files and PNG icons by handling files without alpha layers
• Improvement: when selecting a session folder in the "Quick connect" bar, it is now automatically selected and expanded
• Improvement: increased MobaTextEditor performance when replacing multiple occurrences of a pattern or undoing many actions in a file
• Improvement: updated the embedded OpenSSH client, the OpenSSL library and the X server to their latest versions
• Improvement: switched the default compression setting to "no" in SSH sessions and in the local terminal
• Bugfix: when updating MobaXterm, clean the previous "AdmSlash" folder if it exists
• Bugfix: prevented "mobagrep" from creating a blank file when using the "-i" command-line switch
• Bugfix: hidden modal windows are no longer displayed in the Aero Peek preview when hovering over the MobaXterm taskbar button
• Bugfix: disabled bracket characters in the credentials creation window
• Bugfix: when quickly switching tabs with the "Follow terminal" feature enabled, the SSH browser could appear empty
• Bugfix: prevented MobaXterm from launching the wrong session when double-clicking a session if the second click occurred over another session
• Bugfix: fixed a potential freeze when pasting clipboard content into the terminal if the clipboard owner became unresponsive
• Bugfix: prevented mobagrep from stopping the search thread if one of the searched files fails to open
• Bugfix: cleaned the MobaXterm temporary folder at startup in "portable" mode if it already exists
• Bugfix: prevented MobaTextEditor, Xorg, MoTTY and the Cygwin library from loading some unused libraries at startup
• Bugfix: prevented MobaXterm from trying to load the "winspool.drv" file at startup