# Process Lasso v19.0.0 Highlights: - New LatencyTest tool - New Interrupt Affinity Policy tool - Minor fixes and enhancements Changes: (63) GUI: GPU Preference labels no longer swap High performance and Power saving on multi-GPU systems when Process Lasso itself has a Power saving GPU preference (61) GUI: New Tools menu item: CPU/GPU/Memory Stress Test, Online (StressTest) (59) Tools: LatencyTest keeps measuring while minimized, adds a Spikes tab, Markdown reports and /run= /save= for windowless reports; Interrupt Settings on a framework driver such as ndis.sys opens the likely device (59) Tools: Interrupt Affinity Policy gains sortable columns and a Device Properties menu, and is verified on ARM64 (59) All: Activating with a license key for another product, such as ParkControl, now says so instead of reporting it as invalid (57) GUI: Tools menu reorganized into Bitsum programs, Windows tweaks and Windows utilities (55) GUI/Core: Better config reload when the config file is locked or unreachable (53) Dark mode: Combo boxes, radio buttons, drop-downs and menu UAC shields are now dark (51) Tools: Assorted minor improvements to legacy tools (49) GUI: New Tools main menu (45) ARM64: The x64 build offers the native ARM64 build on ARM64 PCs, and GPU monitoring is on by default (45) Installer: Signed uninstaller, fixed silent installs on 64-bit Windows, and other Bitsum programs are no longer closed or have their settings removed (37) All: Clearer activation messages for expired, disabled and over-limit license keys (37) Languages: Translation updates, fixes for clipped text, and message box buttons in the selected language (35) Governor: ProBalance restores restrained processes when turned off and no longer overrides a priority you change; log entry fixes (33) All: Fix quoted command line switch values such as /startwithprofile="My Profile" being ignored (27) GUI: Fix removing, importing or pasting rules affecting watchdog rules (11) All: Correct power setting values shown for Windows 11 power modes (7) GUI: Single PC lifetime licenses can be upgraded to Entire Home from the About dialog (1) GUI: Starting the GUI again now always shows the main window instead of toggling it Fri 10/23/2026 04:42 PM