Issue Number Description Root Cause Solution
HDR-42028 [SW PTP] BSOD during preload APILoadState will be called before HKLM is created after the system first boots up with new driver installed. It causes Stack over-flow issue. Create a system thread to call APILoadState function. Stack overflow issue will not happen.





System enhancements



Issue Number Description Root Cause Solution
HDR-41818 [TouchPad] Migration to Visual Studio 2019
HDR-41856 [Win10 Oct] WHLK test - Static Tools Logo Test_Fail Lack of DVL.XML for verification. Generate the DVL.XML for kernel driver to pass WHLK test
HDR-41933 Branch Build Request for v19.5.32.112 | Dynabook_PUWP.inf




Issue Number Description Root Cause Solution
HDR-41611 [SW PTP] Wake up from Modern Standby When TP driver is installed and doesn't restart the system, TP driver doesn't support "uninstall" feature. When TP driver is installed and doesn't restart the system, we should make sure that TP driver can be uninstalled successfully.
HDR-41736 [HW PTP] URL link color is not right under high contract mode The color of URL link will not be changed by UI setting. By customer's design, remove "URL link" setting




Issue Number Description Root Cause Solution
HDR-41590 [Function issue] Touchpad not work after resume from S4 - Workaround When the display is turned on and the touchpad device is not arrived, the display state is not updated for this Touchpad device. TP driver will set "sleep" mode. When the display is turned on, TP driver will update the status of display. When TP device is arrived, Touchpad device will not be changed to "sleep" mode.





System enhancements



Feature Added
Issue Number Description
HDR-41499 [SW PTP] Add Tiger Lake SMBus PNPID




Issue Number Description Root Cause Solution
HDR-41406 [Function issue] The setting of right button "Reload the current web page" not work on Edge, IE is ok "Reload the current web page" feature fails on MSFT new browser. Support "Reload the current web page" feature on MSFT new browser.




Issue Number Description Root Cause Solution
HDR-41396 [HW PTP w/ Touchstyk] JumpStart failed by upgrade installation When "keyboard filter" feature is not enabled, we don't remove "keyboard filter" setting. When "keyboard filter" feature is not enabled, we will remove "keyboard filter" setting.
HDR-41397 [HW PTP w/ Touchstyk] Uninstall causes Yellow Bang When TP driver does not enable "keyboard filter" feature, SynTPEnhServer may miss to uninstall TP driver and registry. Old driver will use wrong registry. Change TP setting and make sure that TP driver can be uninstalled complete.





System enhancements



Issue Number Description Root Cause Solution
HDR-41241 [SW PTP] Press the lower right corner of the touchpad to right-click" cannot work after reinstalled Synaptics TouchPad Driver For inter-touch device, SMB driver will be installed after the system is restarting. TP driver will report the default HID description first. For some devices, it may cause that logic resolution overflows and TP has no response in some area. After SMB driver is installing, TP driver will use SynTPEnhService to disable/enable HIDMINI device. It can make sure that TP driver reports correct HID description, not default HID description.
HDR-41128 "SynCOM.dll" crash Syncom crashes in deadlock. Avoid that deadlock happens in Syncom.
HDR-41276 [SW PTP] Fn+f9 disable Touchpad doesn't work. Symcom crashes. The status of disabled/enabled TP device is not the same as PTP device. Fixed Syncom crash issue and make sure that PersistState API will not fail.










Issue Number Description Root Cause Solution
HDR-40912 [SW PTP] TouchPad doesn't work after lid close and lid open during reboot. For TOS01F7 device, it supports "Lid pin" feature. FW will be disabled by "lid pin" and TP driver should ignore system lid event. Remove system lid event for TOS01F7 device.
HDR-40934 [SW PTP] TouchPad doesn't work after lid close and lid open during reboot - Rollback For TOS01F7 device, it supports "Lid pin" feature. FW will be disabled by "lid pin" and TP driver should ignore system lid event. Remove system lid event for TOS01F7 device.
HDR-40938 [SW PTP] Touchpad can’t be used on logon UI after resume from Hibernation. For HID mini device, we have used "UsePTPEnableDisableState" feature to sync PTP state. We don't need to change Touchpad state in APIloadstate. We don't need to change Touchpad state in APIloadstate.




Issue Number Description Root Cause Solution
HDR-40869 BSOD Dump from MSFT Queue is invalid and fail to get correct device. Try to get queue from request first. Get the device from queue when queue is valid.
HDR-40894 [SW PTP] TouchPad doesn't work after lid close and lid open When external keyboard is removed, "Lid switch" event will be removed after v19.5.32.48. When external keyboard is removed, "Lid switch" event will not be removed

Feature Added
Issue Number Description
HDR-40831 Add Comet Lake SMBus PNPID










Feature Added
Issue Number Description
HDR-40709 Dynabook new company name




Issue Number Description Root Cause Solution
HDR-40668 [Modern Standby] Operate on the touchstyk button several times can wake up system Zero motion packet is filtered out by driver because it is treated as dribble packet. Bypass the first zero motion packet reported fro FW when resuming after S3.
HDR-40678 [Modern Standby] Set SendDribblePacket=0 to fix upgrade case Customer request Set SendDribblePacketAfterResume to 0




Issue Number Description Root Cause Solution
HDR-40668 [Modern Standby] Operate on the touchstyk button several times can wake up system Zero motion packet is filtered out by driver because it is treated as dribble packet. Bypass the first zero motion packet reported fro FW when resuming after S3.




Issue Number Description Root Cause Solution
HDR-40595 [Modern Standby] Operate on the touchstyk or clickpad can wake system from modern standby if disable them before Dribble packet is sent even device is disabled. Not send dribble packet if the device is disabled.
HDR-40642 [SW PTP] Touchpad can not used on the login screen after wake up from S3/S4. Driver will keep disable state before idle, including disabled by lid close. Ignore to keep disable state before idle if it is disabled by lid close
HDR-40644 PNPID request: Toshiba_PUWP.inf; TOS01F2, TOS01F3; TOSB1006, TOSB1007 Customer requested Add new HWIDs
HDR-40645 [Modern Standby] Operate on the touchstyk button several times can wake up system DisableState remains Uninitialized, and that make driver not send dribble packet to OS Change judgement of device state to DisableStateBeforeIdle




Issue Number Description Root Cause Solution
HDR-40602 [Lenovo_Ultranav_Hidmini_UWP] Synaptics TouchPad related devices are missing after upgrade driver (19.5.19.42 -> 19.5.19.45) For PS2/SMB device, Software component will be showed after next boot. When SynTPEnhservice is launched and Software component is not generated, SynTPEnhService will uninstall TP driver. For PS2/SMB device, Software component will be showed after next boot. SynTPEnhservice is launched after next boot. Software component is generated and SynTPEnhService will not uninstall TP driver.
HDR-40616 [SW PTP] Overwrite install V19.5.32.51 on older driver failed in SW PTP model For PS2/SMB device, Software component will be showed after next boot. When SynTPEnhservice is launched and Software component is not generated, SynTPEnhService will uninstall TP driver. For PS2/SMB device, Software component will be showed after next boot. SynTPEnhservice is launched after next boot. Software component is generated and SynTPEnhService will not uninstall TP driver.
HFW-5031 [TM-03266-007] HLK fail - Test.Confidence Not enable OncePalmAlwaysPalm feature on driver side Enable OncePalmAlwaysPalm on driver side




Issue Number Description Root Cause Solution
HDR-40546 TP Coordinates mapping incorrectly by PTLOGO report after install PUWP Miniport Driver Wrong buffer length assigned and lack of read access right make SynTPEnhService delete MaxLogicalY by accident. Fix buffer length and add read access right
HDR-40554 [HW PTP w/ Touchstyk] Clicking on the button of Accu several times to wake from Modern Standby Driver will receive DEVICE_ARRIVAL and proceed StartDevice procedure that includes parsing RMI table after resuming. Packets cannot be received by driver until driver initialization completed. If the packets stop reporting before driver initialization, driver has no chance to know whether there is a packet to send. Send a dribble packet after resuming to OS as response to SetPower ON to avoid system issues SetPower OFF after 1 second.




Issue Number Description Root Cause Solution
HDR-40440 [HPConsumerPUWP_Win10_RS5_WHLK] Failed Item: DF - Reinstall with IO Before and After (Reliability) For Windows 10 RS6, OEMx.inf is removed after server is uninstalled, so server will not remove the setting of TP driver. For HID device, we need to do "rescan for hardware change" after mouse device is un-installed. Hence, we move service to other INF to register service feature. We can avoid that Service stops before mouse device is uninstalled.




Issue Number Description Root Cause Solution
HDR-40521 [HW PTP w/ Touchstyk] BSOD EvtPowerSettingCallback didn't be un-registered in EvtDeviceSelfManagedIoCleanup() Un-register EvtPowerSettingCallback in EvtDeviceSelfManagedCleanup()













Issue Number Description Root Cause Solution
HDR-40339 [HW PTP w/ Touchstyk] uninstall driver from device manger, after reboot, two yellow bang shows and keyboard can’t be used For Windows 10 RS6, OEM.inf(Touchpad driver) is removed after service is uninstalled, so service can't remove the setting of TP driver. Hence, the upperfilters of keyboard driver is wrong, so Keyboard driver will yellow bang. All PS2 devices will be affected by keyboard device(yellow bang). For Windows 10 RS6, make sure that service can remove the setting of TP driver before server is uninstalled.




Issue Number Description Root Cause Solution
HDR-40142 [HW PTP w/ Touchstyk] "Scroll with pointing stick while the button is pressed" from right button actions of Touchstyk cannot scroll horizontal on Excel 2010 or 2007. Mouse scroll is not accepted on Excel 365 Using bar scroll on Excel
HDR-40271 PNPID request: inf: Toshiba; PNPID=TOS01F4, ACPI ID = TOSB1005 Customer request Add HWID
HDR-40305 [HW PTP w/ Touchstyk] The value of right action button which setting is "Search" will be empty after click restore defaults button and reopen. Plugins are not reverted when user click "Cancel" on UI Revert the Plugins when user click "Cancel" on UI




Issue Number Description Root Cause Solution
HDR-40258 [HW PTP w/ Touchstyk] The string of "Left Buton Action" and "Right Button Action" words not show completely under some language OS. Customer request Rollback layout adjustment




Issue Number Description Root Cause Solution
HDR-40203 [HW PTP w/ Touchstyk] "Button/Zone completely disabled" setting is not exist in right button actions. Action not show on list Make NoAction show on list
HDR-40213 [HW PTP w/ Touchstyk] Tochstyk can not work after uninstall touchpad driver from device manager No scan for hardware change action after uninstall driver Rescan for hardware change after uninstall driver
HDR-40223 [HW PTP w/ Touchstyk] Keeping "Synaptics Pointing Device Console" app opened status to restart/shutdown PC, the app will automatically opened after resume from restart/shutdown. We add the support of RestartManager in APPX, and it will restart the application if application is executed, and reboot/shutdown the system. Remove the support of RestartManager
HDR-40236 [HW PTP w/ Touchstyk] The words on “Restore Defaults” button not show completely when change langauge to Spanish(Spain). String is too long in Spanish. Adjust UI layout
HDR-40237 [HW PTP w/ Touchstyk] Some setting words on the right button action like “Scroll with pointing stick while the button is pressed” of Polish(Poland) doesn't show completely String is too long in Polish. Adjust UI layout

Feature Added
Issue Number Description
HDR-40224 [HW PTP w/ Touchstyk] Change the default speed of Touchstyk sensitivity more quicker




Issue Number Description Root Cause Solution
HDR-40139 [Toshiba_PUWP] Appx title is not changed Setting not applied Apply the setting to change dialog title




Issue Number Description Root Cause Solution
HDR-40081 [Toshiba_PUWP] Change application title Customer request Change dialog title




Issue Number Description Root Cause Solution
HDR-40039 PNPID request: inf: Toshiba; PNPID=TOS01F5, ACPI ID = TOSB1004 Customer request Add HWID

Feature Added
Issue Number Description
HDR-40062 [Toshiba_PUWP] Appx name - "Synaptics Pointing Device Console"




Issue Number Description Root Cause Solution
HDR-39347 [Function Issue] The function of four finger flick up/down not exist in DCH driver. Not support 4 fingers flick as 3 fingers flick Support 4 fingers flick as 3 fingers flick
HDR-39560 [RS5 Upgrade] Configure the settings to "Reload the current web page", "Browse backward..." and "Browse forward.." from right button actions of Touchstyk, but not work on Edge It seems modifier key is not accepted on Microsoft Edge in RS5. Replace keys to reload, backward and forward on Microsoft Edge in RS5.

Feature Added
Issue Number Description
HDR-39832 [PUWP] Block automatically store appx installation




Issue Number Description Root Cause Solution
HDR-39078 [Toshiba_PUWP] SynTP_00 is shown under "Other devices" InitAPIType registery key value is read before registry keys moving to HKLM. Porting fix from trunk to branch
HDR-39507 PNPID request: inf: Toshiba; PNPID=TOS01F6, TOS01F7 (miniport SW PTP) Customer requested. Add new PNPIDs
HDR-39529 [Toshiba_PUWP] The tips of Three-Finger Tap & Four-Finger Tap don't match with actual behavior. Wrong tool tip Change tool tip
HDR-39531 [Toshiba_PUWP] Drop down menu will display when cursor move on "Three Finger Click" & "Three Fingers Drags and Sliders" options. GroupBox picture would overlap on Combobox Adjust UI layout
HDR-39533 [Toshiba_PUWP] 3F Flick Up / down skips restored window. 3 finger flick action would be triggered twice because the distance of flick is long enough to trigger action twice Add setting of activating 3 fingers flick up/down once.
HDR-39535 [Toshiba_PUWP] Gesture Filtering function is unworkable. no Remove GestureFilter and EdgeTao from UI
HDR-39536 [Toshiba_PUWP] The video file of Slow Motion & Constrained Motion can't be played. Not support video on PUWP driver Remove video

Feature Added
Issue Number Description
HDR-39480 [Toshiba_PUWP] Appx name - "Synaptics Pointing Device Console for Toshiba"
HDR-39495 [PUWP] Add PNPIDs to PUWP




Issue Number Description Root Cause Solution
HDR-39342 [Function Issue] All configure settings like "a web...","run a..." and"Record and play.." not work on Right Button Actions of touchstyk. Styk has been treated as PTP device Make sure Styk not be treated as PTP device to make configuration be set correct.
HDR-39346 [Function Issue] Horizontal Scrolling can not work in Excel. Scrolling settings are altered. Change scrolling not through kernel




Issue Number Description Root Cause Solution
HDR-38628 [Altair UR20] Store app still can be opened if DCH driver not be installed, but legacy driver is installed Not check whether the DCH driver is intalled Make sure the DCH driver installed to allow APPX be executed.
HDR-39336 [UI Issue] The button action settings of styk not exist on Non-PTP model Lack of setting for Styk button Set ButtonsPseudoDevice for Styk
HDR-39337 [UI Issue] "Scrolling of two fingers" and "Four Finger Click" are unchecked in defaults. Customer requested. Check scrolling by default
HDR-39339 [UI Issue] No Accessibilty Setting under Advanced Tab. Customer requested Add Accessibility on UI
HDR-39340 [UI Issue] In DCH driver, "Tap Zones" is added on all Non-PTP modules, while on legacy driver, only some modules have "Tap Zones" setting. Customer requested. Remove TapZone From UI
HDR-39341 [UI Issue] In DCH driver, additional custom function of "Three/Four Finger Tap" and "Four finger click" is added Customer requested. Remove 3F/4F tap combobox and 4F click checkbox from UI
HDR-39355 DCHU : Help and Video

Feature Added
Issue Number Description
HDR-39480 [Toshiba_PUWP] Appx name - "Synaptics Pointing Device Console for Toshiba"




Issue Number Description Root Cause Solution
HDR-38812 [Altair LE50]Part right button action of sytk settings not work on LE50. Styk configuration treated as PTP, and plugin zone is disabled on PTP. Set configuration as MTP
HDR-39069 [Toshiba_PUWP] v19.5.32.31_toshiba_puwp.inf doesn't pass DCHU check. [...is NOT a Universal Driver] SynPTPHID.inf cannot pass Universal criteria. Remove SynPTPHID because there is no special request on PTP filter driver.
HDR-39070 [Toshiba_PUWP] Appx GUI occur broken textures. It shows TrayIcon button Hide TrayIcon button
HDR-39078 [Toshiba_PUWP] SynTP_00 is shown under "Other devices" InitAPIType registery key value is read before registry keys moving to HKLM. Porting fix from trunk to branch




Issue Number Description Root Cause Solution
HDR-39015 UI type change to UXUI no Switch UI to UXUI





System enhancements




System enhancements



Issue Number Description Root Cause Solution
HDR-38693
(HID-149)
[Synaptics][Altair R] Flick 3/4 fingers up/down not work when store app shows on the front. The class name of taskswitcher window in RS4 is the same as some metro app. We will send wrong command to "some metro app". Add execution name and app title name to check if foreground window is taskswitcher window.





System enhancements




System enhancements



Issue Number Description Root Cause Solution
HDR-38765 [Panasonic_PUWP_Win10] v19.4.31.2_Panasonic_PUWP.inf doesn't pass DCHU check. For v19.5.26.0, SynTPCPL.dll causes DCHU test fail. Remove SynTPCPL.dll in PUWP driver.





System enhancements




System enhancements



Issue Number Description Root Cause Solution
HDR-38615 [Synaptics][Altair UR10] All configure settings like " web page " ,"run..." and"Key Macro" not work on Clicking. The path of recording data is different from the path to read. Set AlwaysSendSynTPPacket by default
HDR-38616 [Synaptics][Altair UR] Practice can't be opened under 1/2 finger scrolling Not support Practice on PUWP driver Remove "Practice" from UI
HDR-38617 [Synaptics][Altair UR] The video/help UI of every setting items does not exsit. Not support Help and video feature on UI in DCH driver. Remove Help and video feature on UI
HDR-38640 Add HW ID for Toshiba DCH driver v19.5.10.94 Customer request. Add HWID for DCH driver

Feature Added
Issue Number Description
HDR-38525 HSA and Driver suite evaluation need support - Synaptics TP




Issue Number Description Root Cause Solution
HDR-38579 [Toshiba_PUWP] Restore Defaults button can restore tray icon option in TouchStyk tab but can NOT restore tray icon in ClickPad tab MS request. Remove checkbox for diable/enable tray icon on UI by MS request.




Issue Number Description Root Cause Solution
HDR-38512 [Synaptics][Altair UR20] Change the setting of Touchpad sensitivity to "Most Sensitivity" , but the setting not work TPTyping feature is enabled Disable TPTyping for miniport driver




Issue Number Description Root Cause Solution
HDR-38505
(HID-148)
[Altair UR10] The check box for enable/disable four finger flick function is missing on V19.4.3.60 Customer requests. Show 4 fingers flick checkbox only on CPL
HDR-38506
(HID-147)
[Altair UR10] The behavior of three fingers flick left or right not correct on V19.4.3.59 and V19.4.3.60. 3 fingers flick setting is altered. Restore setting for 3 finger flick





System enhancements




System enhancements




System enhancements




System enhancements



Issue Number Description Root Cause Solution
HDR-38353 Update copyright to 2018
HDR-38288 [Toshiba][UR20] Add new HWID to 19.5.10.93 driver Customer requests. Add HWID to PUWP driver.





System enhancements



Feature Added
Issue Number Description
HDR-38076 [UR20] Need driver support DCHU