• Core
  • Improve robustness by using std::vsnprintf() instead of sprintf()/snprintf()
  • Add various size checks when receiving usernames, signatures and tokens
• Master
  • Fixed performance regression introduced with improved thumbnail layouting in 4.10.3
  • Added support for extending guest user identities with prefix or suffix
• Plugins
  • Demo: don't lock the master computer when sharing a user's screen fullscreen (#1126)
• Linux
  • Added Nix flake and NixOS module
• Windows
  • 3rdparty: UltraVNC: update to 1.8.2.3

• Core
  • Cache authorized user groups from configuration
• Configurator
  • Auto-increment default names for new objects (#1123)
  • Hide x11vnc parameters label in standard view (#1125)
• Master
  • Improved mechanism for layouting thumbnails to always display the whole caption even for long user and/or device names
  • Optimized icon size auto adjust
  • Defer initial icon size auto adjust until application window is fully visible
• Plugins
  • FileTransfer: only collect from devices with logged in users
  • FileTranser: indicate 100% progress if finished with no files to be collected
  • FileTransfer: show number of files to be collected in 2nd column
  • LDAP: add hint on configuration for FreeIPA (#1122)
  • LDAP: update bundled kldap library to fix several issues related to memory allocation failures
  • UltraVNC: make sure to load user32.dll and shcore.dll from the Windows system directory only
  • WebAPI: make the plugin build explicit via WITH_WEBAPI (#1124)
• Linux
  • Add Fedora 44 packages
  • Add Ubuntu 26.04 packges
  • Drop Fedora 42 packages
  • Prepared API for upcoming Wayland support for Linux
• Windows
  • Added advanced device locking options for the screen lock feature - touch screens and touch pads are now temporarily disabled at the device level to suppress gesture handling
  • Improved mechanism for querying full user name - fixes missing full/display names for Azure AD users
  • Improved error handling and resource cleanup in several functions
  • Various optimizations and resiliency improvements
  • Build all binaries without LTO (link time optimization) to fix crashes on certain CPUs
  • 3rdparty: UltraVNC: update to 1.8.2.2 (includes fix for CVE-2026-3787 / CWE-428)
  • 3rdparty: libjpeg-turbo: update to 3.1.4.1
  • 3rdparty: libpng: update to 1.6.58
  • 3rdparty: OpenSSL: update to 3.5.6

Full Changelog: https://github.com/veyon/veyon/compare/v4.10.2..v4.10.3

• Master
  • Strip domain from displayed user login names if full name is not available
• Service
  • Added placeholder to user identification dialog
• CLI
  • Improved space handling for running command file (#1104)
• Linux
  • Fixed CI to build proper release packages (with optimizations and including translations) (#1102)
• Windows
  • Added block sleep key when screen is locked (#1103)
  • 3rdparty: OpenLDAP: update to 2.6.13
  • 3rdparty: Qt: update to 6.10.3

Full Changelog: https://github.com/veyon/veyon/compare/v4.10.1..v4.10.2

• Master
  • Show short tooltips in icons only mode
• Configurator
  • Order of locations and computers can now be changed with new move buttons (thanks to @pgilfernandez)
• Plugins
  • FileTransfer: allow configuration of up to three grouping attributes when collecting files for greater flexibility
  • LDAP: list computers of all locations or groups matching a certain name - fixes empty locations if there are multiple locations (e.g. OUs) with the same name
• Linux
  • Drop openSUSE Leap 15.6 packages
• Windows
  • Fix all Veyon applications crashing at exit due to threading issue in Qt 6.9+ – fixes faulty error message when importing configuration during installation (#1099)
  • Refactored key event handling in VNC-based remote control views – now the local keyboard layout always defines which keys are sent while the remote keyboard layout has no influence - fixes errors when transmitting characters at the 3rd keyboard level (AltGr) such as @ or € in European keyboard layouts or cyrillic characters in general (#1098, #940, #956, #779, #701)
  • 3rdparty: libpng: update to 1.6.55
  • 3rdparty: OpenSSL: update to 3.5.5
  • 3rdparty: Qt: update to 6.10.2 with more threading-related patches

Full Changelog: https://github.com/veyon/veyon/compare/v4.10.0..v4.10.1

• New features
  • Added new feature to collect files from remote computers
  • Added option to request user identification for guest sessions (enable at configuration page "Master" at the very bottom in advanced view mode)
• Master
  • Refactored main toolbar to resize itself and wrap buttons dynamically
• Plugins
  • LDAP Basic got renamed to LDAP/AD since the commercial LDAP Pro add-on has been retired
  • Allow logging in users remotely without a password
• Linux
  • Added options for customizing delays between simulated key presses when logging in users
• Windows
  • Rebase build environment to Debian 13 / GCC 14
  • Improved management and monitoring of the Veyon Server process to restart it more reliably on unexpected shutdown - fixes issues where computers were accessible only after restarting the Veyon Service
  • Veyon Server no longer shuts down when using the builtin UltraVNC server parallel to the official UltraVNC service
  • 3rdparty: Qt: update to 6.10.2 including bugfix for TLS-related performance regression (https://codereview.qt-project.org/c/qt/qtbase/+/606906)
  • 3rdparty: libpng: update to 1.6.54

Full Changelog: v4.9.8...v4.10.0

• General
  • Improved compatibility with Qt 6.10
  • Make log directory handling more secure (prevent symlink/junction abuse and add full path validation, #1075)
• Master
  • Auto-adjust icon size when switching computer positioning mode
  • Fixed enforcing designated mode (i.e. screen lock) if system tray icon is disabled in the service configuration
  • Allow sorting computers by user's surname (#1034, #1045)
• Plugins
  • LDAP: fixed MAC address retrieval when 1:1 mapping 1:1 of OUs to locations is enabled.
• Linux
  • Add Fedora 43 packages
  • Add openSUSE Leap 16.0 packages
  • Drop Fedora 41 packages
• Windows
  • Disable interfering windows handling by default since it caused troubles in various environments
  • 3rdparty: libpng: update to 1.6.53
  • 3rdparty: libjpeg-turbo: update to 3.1.2
  • 3rdparty: OpenSSL: update to 3.5.4

Full Changelog: https://github.com/veyon/veyon/compare/v4.9.6..v4.9.7

• General:
  • Improved compatibility with Qt 6.9 and 6.10
• Plugins
  • Demo: calculate internal bandwidth limit according to network speed and link type (i.e. use half the bandwidth of 100M/1G/2.5G Ethernet links and quarter the bandwidth of wireless links)
  • PowerControl: modernized Wake-on-LAN implementation and added debug messages
• Linux:
  • Add Debian 13 packages
  • Add RHEL 10 packages
  • Drop Ubuntu 20.04 packages
• Windows:
  • 3rdparty: libpng: update to 1.6.50
  • 3rdparty: libjpeg-turbo: update to 3.1.1
  • 3rdparty: OpenSSL: update to 3.5.2

Full Changelog: https://github.com/veyon/veyon/compare/v4.9.6..v4.9.7

• Windows:
  • 3rdparty: Qt: downgrade to 6.8.3 (fixes UI freeze when switching locations / #1042)

• Master:
  • Improved performance of internal data models
• Plugins
  • LDAP: added support for mapping OUs/containers 1:1 to locations (backport from retired LDAP Pro add-on)
• Service:
  • Dropped LanmanWorkstation dependency on Windows to fix potential service start issues
• Linux:
  • Add Fedora 42 packages and drop Fedora 40 packages
  • Drop openSUSE 15.5 packages
• Windows:
  • Added various actions for handling windows with unusual attributes/settings that interfere with screen capturing (configurable in advanced view mode)
  • Dropped repeated session-related debug messages
  • 3rdparty: DDEngine: update to 1.6.1.0
  • 3rdparty: libpng: update to 1.6.48
  • 3rdparty: OpenLDAP: update to 2.6.10
  • 3rdparty: Qt: update to 6.9.1
  • 3rdparty: UltraVNC: update to 1.6.1.0

Full Changelog: v4.9.5...v4.9.6

• Master:
  • Added button to view slideshow panel in separate window
  • Use configured computer name source for thumbnail caption and tooltip content
  • Restore custom computer positions whenever the UID of a computer changes dynamically
  • Make user config template take precedence over local user config
  • Filter powed on computers / logged on users if corresponding button was checked in the previous session
• Service:
  • Fixed issue where username was not reported to Veyon Master if it was not available at the beginning of the user session
• Configurator:
  • Improved layout and messages of access control rules test dialog
• CLI:
  • Fixed crash when listing configuration keys caused by detached proxied config properties
• Plugins:
  • DesktopServices: fix argument name of OpenWebsite feature
  • DesktopServices: stop worker process after opening website so feature is not permanently indicated as active in Veyon Master
  • FileTransfer: stop worker process after all files have been received so feature is not permanently indicated as active in Veyon Master
  • WebAPI: fix deadlock when activating/deactivating features (#1021)

Full Changelog: v4.9.4...v4.9.5