Breadcrumbs

Updates and Bug Fixes

USB Compliance Suite v8.45 build 1255 (July 27, 2026)

Requires USB Protocol Suite v10.31 or later

Improvements

  • USBCOMP-23955: [TEST.PD.PS.SNK.1#12] Improved VIF/PDO matching to prevent false failures.

  • USBCOMP-23962: [TD.DP.10.3.3] Upgraded to multi-stage verification.

  • USBCOMP-23963: [TD.DP.10.3.4] Upgraded to multi-stage verification.

  • USBCOMP-23964: [TD.DP.10.3.5] Upgraded to multi-stage verification.

  • USBCOMP-23992: [TD.DP.10.3.6] Upgraded to multi-stage verification.

  • USBCOMP-23993: [TD.DP.10.3.7] Upgraded to multi-stage verification.

Bug fixes

  • USBCOMP-23927: [TD 7.23] Fixed false PM_ENTRY timeout/U1 transition failures after LAU.

  • USBCOMP-23939: [TD 4.10.6] Fixed BOS/status-change handling for GET_DESCRIPTOR (BOS) with wLength=0.

  • USBCOMP-23946: [TEST.PD.USB4.DRST.3#1] Corrected PS_RDY response sequencing.

  • USBCOMP-23947: [TEST.PD.USB4.DRST.4#1, #3] Corrected PS_RDY response sequencing.

  • USBCOMP-23954: [TEST.PD.PROT.SRC.4#2] Removed an unrelated error path during PDO request flow.

  • USBCOMP-23957: [COMMON.CHECK.PD.2#1] Corrected MessageID and Soft Reset handling.

  • USBCOMP-23958, USBCOMP-23978: [TD 4.11.1] Corrected DR_Swap applicability handling when swap-to-DFP is unsupported.

  • USBCOMP-23960: [TD 7.34] Fixed M4x Warm Reset detection behavior.

  • USBCOMP-23966, USBCOMP-24020, USBCOMP-24021: [TEST.PD.PROT.SRC.8#4] Corrected CTS branch handling and assertion behavior.

  • USBCOMP-23970: [TEST.PD.FRS.SNK3.6#2] Fixed Error Recovery result handling in the tPSSourceOff path.

  • USBCOMP-23974: [COMMON.PROC.BU.10#1] Corrected CC timing sequence.

  • USBCOMP-23976, USBCOMP-23983: [TEST.PD.PS.SRC.2#14, #15] Corrected AVS transition attribution and timing checks.

  • USBCOMP-23977: [TEST.PD.VDM.SNK.1#6] Corrected early-termination and not-applicable handling per CTS branch.

  • USBCOMP-23986: [TEST.PD.PROT.SRC.4#2] Corrected the PD2 timing path to prevent incorrect over-current style flow.

  • USBCOMP-23991: [TEST.PD.PS.SRC.2#6] Corrected the VBUS check window relative to tSrcSettle.

  • USBCOMP-24014: [TEST.PD.PS.SRC.2#9] Corrected PPS/AVS transition timing and voltage-window checks.

  • USBCOMP-24015: [TD.DP.10.3.21] Fixed Discover SVID timeout detection.

  • USBCOMP-24017: [TD.DP.10.2.5] Corrected UFP_D pin-assignment decode/check.

  • USBCOMP-24018: [TD.DP.10.3.25] Corrected SOP/SOP' Discover Identity/SVID branch checks and messaging.

  • USBCOMP-24022: [TD 4.9.5] Fixed tester transition to Disabled.

  • USBCOMP-24026: [COMMON.PROC.BU.1#1] Corrected Source_Capabilities timing/reporting flow.