v8.50 v8.46 v8.45 v8.44 v8.43 v8.41 v8.40 v8.35 v8.34 v8.33 v8.32 v8.31 v8.30
v8.50 v8.46 v8.45 v8.44 v8.43 v8.41 v8.40 v8.35 v8.34 v8.33 v8.32 v8.31 v8.30

Updates and Bug Fixes

USB Compliance Suite v8.50 build 1260 (October 8, 2026)

Requires USB Protocol Suite v10.50 or later

Test and spec updates

  • USBCOMP-23859: [PD] Updated Appendix F timing table timers and retry counts to align with Q3 2026 RC1 CTS

  • USBCOMP-23923, USBCOMP-24086: [TD.DP.10.4.1] Updated SOP' cable discovery and mode entry steps to align with 16Aug26 CTS

  • USBCOMP-24084: [TD.DP.10.3.27] Updated Intel Discover Modes step to gate on Thunderbolt support per 16Aug26 CTS

  • USBCOMP-24085: [TD.DP.10.3.28] Updated Intel Discover Modes step to gate on Thunderbolt support per 16Aug26 CTS

  • USBCOMP-24087: [TD.DP.10.4.2] Updated active cable applicability criteria per 16Aug26 CTS

  • USBCOMP-24112: [TEST.PD.PROT.SNK3.5#2] Updated PPS APDO object position checking to reference the active APDO per Q4 2026 RC1 CTS

Improvements

  • USBCOMP-19819: Added a search box to filter tests in the Workspace

  • USBCOMP-22812: [CLI] Added /k command-line option to stop the test process outside the GUI

  • USBCOMP-24055: Improved path length handling for HTML overview reports by validating alias lengths early

  • USBCOMP-24160: [DPAM] Improved Thunderbolt support detection by querying capabilities directly during preliminary testing

  • USBCOMP-24166: [VIF] Improved error handling and path construction during component extraction in Cable Detection

  • USBCOMP-24177: [COMMON.CHECK.PD.7#7] Improved Power Rules verification and error messages for required and optional PDOs

Bug fixes

  • USBCOMP-23672: Fixed an application hang when cleaning up results with the Save only failing option enabled

  • USBCOMP-23971: [TEST.PD.PS.SRC.3#5] Corrected post-PR_Swap Source Capabilities tracking to prevent premature check failure

  • USBCOMP-24035: [COMMON.PROC.PD.18#5] Fixed tester response to Get_Sink_Cap_Ext requests during initial sink PDO transitions

  • USBCOMP-24091: [TEST.PD.PS.SRC.1#2, #7, #8] Corrected VBUS voltage verification and PDO selection handling

  • USBCOMP-24144: [COMMON.CHECK.PD.7#8] Corrected common check suppression during CC line reset in TEST.PD.PROT.SRC.4

  • USBCOMP-24145: [TEST.PD.EPR.SNK3.1#3] Corrected test applicability for captive-cable devices without EPR support

  • USBCOMP-24157: [COMMON.PROC.PD.10#1] Corrected non-interruptible AMS state evaluation to prevent false failures outside active AMS sequences

  • USBCOMP-24158: [TD 4.5.3] Corrected VBUS current measurement timing when verifying that the PUT stops sinking current

  • USBCOMP-24159: [COMMON.CHECK.PD.7#7] Corrected current rounding calculation for PDO power rules verification

  • USBCOMP-24162: [TD 4.3.5] Corrected Alt Mode check applicability when the UUT does not declare SVIDs in the VIF

  • USBCOMP-24163: [VIF] Fixed parsing of 32-bit hex mask fields to allow values with the most significant bit set

  • USBCOMP-24180: [TD 4.6.3] Corrected step 18 VBUS turn-on timing verification following Try.SRC release

  • USBCOMP-24181: [TEST.PD.PROT.SNK3.5#3] Corrected tSinkRequest timing measurement reference point to prevent negative delay calculations

  • USBCOMP-24183: [TD 4.10.6] Corrected hub downstream port status tracking to capture rapid connection state changes

  • USBCOMP-24189: [TEST.PD.PS.SNK.1] Fixed tester power negotiation sequencing following an intentional Wait response

  • USBCOMP-24191: [TEST.PD.EPR.SNK3.3] Corrected test termination handling to prevent false Soft and Hard Reset check failures