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Updates and Bug Fixes

USB Compliance Suite v8.34 build 1244 (February 24, 2026)

Requires USB Protocol Suite v10.12 or later

Test updates

  • USBCOMP-23354: [TEST.PD.PS.SNK.1] Updated to CTS Q4 2025 RC1

  • USBCOMP-23355: [TEST.PD.PS.SNK.2] Updated to CTS Q4 2025 RC1

  • USBCOMP-23531: [TEST.PD.PROT.SRC3.4] Updated to CTS Q1 2026 RC1

  • USBCOMP-23532: [TEST.PD.PROT.SRC3.5] Updated to CTS Q1 2026 RC1

  • USBCOMP-23533: [TEST.PD.PROT.SRC3.14] Updated to CTS Q1 2026 RC1

  • USBCOMP-23534: [TEST.PD.PROT.SNK3.2] Updated to CTS Q1 2026 RC1

  • USBCOMP-23537: [TEST.PD.EPR.SNK3.1] Updated to CTS Q1 2026 RC1

  • USBCOMP-23603: [TEST.PD.PS.SRC.2] Updated to CTS Q1 2026 RC2

Improvements

  • USBCOMP-23045: [TEST.PD.PS.EPR.SRC3.2] Improved marker alignment for tSrcTransReq timing

  • USBCOMP-23373: [COMMON.CHECK.PD.14#1] Clarified time range description in note

  • USBCOMP-23573: Improved error message when external hardware is not detected

  • USBCOMP-23643: Added more detail on CTS version support in the About box

Bug fixes

  • USBCOMP-23041: [TD 4.11.1] Fixed false failure for device terminations from Exerciser

  • USBCOMP-23581: [TD 4.10.2] Addressed issues in DATA.V.3–V.9

  • USBCOMP-23607: [TEST.PD.EPR.SNK3.1#6–#9] Fixed erroneous failures

  • USBCOMP-23608: [TEST.PD.EPR.SNK3.2#4] Corrected behavior when UUT sends a Soft Reset

  • USBCOMP-23609: [TD 4.6.3 V.17] Fixed tVBUSON measurement behavior

  • USBCOMP-23610: [TEST.PD.PROT.SNK.13#6] Fixed Hard Reset handling

  • USBCOMP-23611: [TEST.PD.PS.SRC.3#5] Removed erroneous check during voltage decrease

  • USBCOMP-23615: [COMMON.CHECK.PD.12#1] Corrected PDO consistency check in TEST.PD.PS.SNK.1

  • USBCOMP-23616: [TEST.PD.PROT.SRC3.14#6] Corrected handling when SIDO2 is not present

  • USBCOMP-23617: [TEST.PD.PS.SNK.1] Aligned test expectations with VIF and trace data

  • USBCOMP-23621: [TD 4.11.1] Fixed result reporting when UUT is SRC and DR_Swap_To_UFP_Supported = YES

  • USBCOMP-23623: [TEST.PD.PROT.SRC3.14#6] Corrected SIDO2 bit30/31 interpretation

  • USBCOMP-23625: [TEST.PD.VDM.SNK.5#2] Fixed expected message handling

  • USBCOMP-23627: [TEST.PD.PS.SRC.3#5] Corrected reported current measurement in the test report

  • USBCOMP-23628: [TEST.PD.PS.SNK.1#12, #13] Corrected PDO and PDP checks

  • USBCOMP-23631: [TD 4.4.4 V.4] Fixed unexpected CC transition detection in Attached.SNK

  • USBCOMP-23632: [TD 4.4.8] Fixed false failure and ensured the test completes properly

  • USBCOMP-23633: [TEST.PD.FRS.SNK3.1] Corrected tester PDOs in HiV case

  • USBCOMP-23634: [COMMON.PROC.PD.6.3] Fixed behavior in TEST.PD.FRS.SNK3.1

  • USBCOMP-23637: [PD] Handled undefined EPR Source Capabilities in TEST.PD.EPR.SNK3.1 and related tests

  • USBCOMP-23638: [TD 4.8.3 V.9] Corrected Alternate Mode discovery initiation

  • USBCOMP-23639: [TEST.PD.PS.SRC.2#3] Corrected Vbus handling

  • USBCOMP-23640: [TD 4.5.1 V.10] Corrected Vconn application behavior

  • USBCOMP-23645: [TEST.PD.PS.SNK.2] Fixed include issue with DUT_ExtraInfo.ginc

  • USBCOMP-23647: [TEST.PD.PS.SRC.2#19] Fixed failure for Vbus overshoot/undershoot during transition

  • USBCOMP-23648: [COMMON.CHECK.PD3.4#1] Resolved false failure and improved error messaging in TEST.PD.EPR.SNK3.11

  • USBCOMP-23649: [TEST.PD.EPR.SNK3.6] Corrected behavior at step 8 when in EPR mode with SPR PDO

  • USBCOMP-23658: [COMMON.CHECK.PD3.1#1] Corrected operating current and output voltage checks

  • USBCOMP-23664: [TEST.PD.PS.SNK.2#8] Corrected vSrcValid limit evaluation

  • USBCOMP-23670: [TEST.PD.PROT.SNK.5#1] Fixed Hard Reset timing relative to tCtsSenderResponse