Issue Number Description Root Cause Solution
HDR-41863 [DellWPF_PUWP] Both Buttons function is unworkable. For v19.5.17.17, disable "bothbuttonfeature". It causes that "both button" feature fails. Reduce the debounce time for Touchpad button and enable "both button" feature.




Issue Number Description Root Cause Solution
HDR-41839 Click and drag behavior clarify SynTP driver misses to collect some packets in queue. It causes that TP driver report wrong RMI data to OS. Implement timer callback to check if the queue is empty. If it is not empty, notify TP driver to collect it again.
HDR-41267 [Firefly_ DVT2]Some drivers and Applications have no description in Alienware Update APP The setting of "DriverDescription" registry does not exist in SYNPD.inf. Add the setting of "DriverDescription" registry.




Issue Number Description Root Cause Solution
HDR-41061 Touchpad will lost function after installed Caldera (alienware external VGA adapter) When TP driver fails to send "IOCTL_SYNRMIHID_CLOSE", SynRMIHID driver will use wrong "HIDTarget". TP driver will not get any finger packet . When SynRMIHID driver gets "IOCTL_SYNRMIHID_OPEN", TP driver will try to get the latest HID device handle.




Issue Number Description Root Cause Solution
HQA-22006 Driver DUA request 19.5.17.14 | DellWPF_PUWP - do not enable "DeleteUserSettingsOnUpgrade" settings
HDR-40958 After install the driver, touchpad RGB light can't work. For ODM EC design, TP driver needs to send 0xFF to clean busy state. Otherwise, EC can't detect 97 command. When TP driver uses 686C port to send 97 command, TP driver will send 0xFF to clean busy state.
HDR-40994 When TP driver is updated from legacy to DCHU driver, please check if user setting is not changed. When TP driver is updated to new driver, new driver will remove user setting by default. When TP driver is updated to new driver, new driver will keep user setting by default.




Issue Number Description Root Cause Solution
HDR-40835 USB Keyboard will lag with Touchpad driver. Keyboard interrupt pin is disabled when 6064 port is busy. Use "68 6C" port to send 97 command.




Issue Number Description Root Cause Solution
HDR-39992 Refer Issue When Use Edge Browser 2 Finger Lost. For Edge, 2F scrolling gestures of touch-injection is not supported completely after WIn10 RS5. Use small wheel to do "2F scrolling" gestures.
HDR-38633 APP UI should not have "Dell" logo for Alienware project. For Alienware projects, we need to remove "Dell" logo. For Alienware projects, we need to remove "Dell" logo.
HDR-40684 [DellWPF_PUWP] The help info of 3F tap should use "Search" to instead of "Cortana" in Windows 10 19H1. After Win10 19H1, "Search" will be triggered by "3F tap" gestures. After Win10 R1~R5, "Cortana" will be triggered by "3F tap" gestures. After Win10 19H1, "Search" will be triggered by "3F tap" gestures.
HDR-39670 [Cursor becomes ? icon while we do pinch zoom in Firefox app. Firefox doesn't support "zoom in/out smoothly" for touch-injection. For Firefox app, disable "zoom in/out smoothly" for touch-injection.
HDR-40751 [Firefly_EVT1] TP UI will disappear when connect an external USB input device Dell GUI will disappear when foreign device changed. For Dell UI, it will not disappear when foreign device changed.



Issue Number Description Root Cause Solution
HDR-40440 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.
HDR-40602 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-40607 Apply Synaptics Touchpad Driver for Win10 19H1 Apply new HWID in 19H1. Apply new HWID in 19H1.




Issue Number Description Root Cause Solution
HDR-40058 Serenity - The mouse gets stuck when sleep/lid wakes up When "lid open/close" event happens, TP driver changes FW mode to "normal mode" or "sleep mode". When "lid open/close" event happens, TP driver will not change FW mode to "normal mode" or "sleep mode".




Issue Number Description Root Cause Solution
HDR-40008 Serenity - MS Edge/Photo/TXT files,find that cannot scroll in webpage or Zoom in/out. For some specific app, 2F gestures function is broken on v19.5.17.9. Correct the wrong condition for 2F gestures.
HDR-40058 Serenity - The mouse gets stuck when sleep/lid wakes up When "lid open/close" event happens, TP driver changes FW mode to "normal mode" or "sleep mode". When "lid open/close" event happens, TP driver will not change FW mode to "normal mode" or "sleep mode".




Issue Number Description Root Cause Solution
HDR-39759 TP lost function and no restart reminder message when uninstall TP driver After uninstalling pointing device and PTP filter driver, touchpad will have no function if we don't do "scan for hardware change". After uninstalling TP driver, scan for hardware change again.





System enhancements



Issue Number Description Root Cause Solution
HDR-29084 [Dell_Win10] Three finger (3F) and Four finger (4F) tap can be triggered even if turned off gestures function by Dell touchpad settings. 3F/4F tap feature is still enabled even if multi-finger gestures is disabled. If multi-finger gestures is disabled, we will disable 3F/4F tap feature.
HDR-38634 [DellWPF_PUWP] Tray icon appeared after disabled TouchPad After disabling Touchpad device, tray icon should not shown. Disable tray icon feature.
HDR-39029 [DellWPF_PUWP] SynTP_00 is shown under "Other devices" SynTP_00 should not be shown under "Other devices" Do not create raw pdo device node for puwp driver.




Issue Number Description Root Cause Solution
HDR-39002 Apply HWID for Serenity 17 Apply New HWID. Add Dell07A, Dell08c4, Dell08c5, Dell08c6




Issue Number Description Root Cause Solution
HDR-36508 Dell UWP request
HDR-38831 Cassini MLK - CMLK Touchpad Driver v.19.5.17.3 Command Installation Failed The length of command path is more than the length of array. Increase the length of array.
HDR-38942 Cassini MLK - Cannot download app from app store. When we don't add SoftwareID into SynPD.inf, we can't download DellPWF appx from app store. Add SoftwareID into SynPD.inf. We can download DellWPF appx automatically.
HDR-38947 Change app name for Cassini MLK By Dell's request, change app name from "Touchpad Assistant" to "Alienware Pointing Devices". By Dell's request, change app name from "Touchpad Assistant" to "Alienware Pointing Devices".




Issue Number Description Root Cause Solution
HDR-38661 Animation doesn't work on DellWPF app. Animation feature is not enabled on Windows 10. Enable Animation feature on Windows 10.
HDR-38670 UPG to RS4 TP Default settings were incorrect in touchpad UI SynCOM will be unregistered when upgrading from RS3 to RS4 Register SynCOM when it is invalid.
HDR-38671 UPG to RS4 TP Disable or enable TP by press hotkey have no any response. SynCOM will be unregistered when upgrading from RS3 to RS4 Register SynCOM when it is invalid.




Issue Number Description Root Cause Solution
HDR-38513 Cassini MLK - 3F swipe gestures is too sensitive. The center of 3F swipe gestures is wrong after finger count is changed from 3 to 2. TP driver will detect a movement amount and do 3F swipe gestures wrong. The center of 3F swipe gestures must be re-calculated after finger count is changed from 3 to 2.

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




Issue Number Description Root Cause Solution
HDR-37849 Cassini MLK - Sometiems there is no response while click left button When user presses left button fast, TP driver can miss this button action. Because current ScheduleThread may be canceled, this button action will not be executed. We will not cancel button ScheduleThread and can delay to handle button ScheduleThread.
HDR-37851 Cassini MLK - Tap on top of touchpad and there is no response "Tap" gestures is filtered by driver edge filter. "Tap" will not be filtered when user doesn't type.
HDR-38150 Cassini MLK - Touchpad Cannot Disable FW is reset and TP driver doesn't get "reset" information. Add a workaround that TP will revert back to RMI mode when TP driver gets relative package.
HDR-38444 Cassini MLK - Lid close and then touchpad no function TP device has not function after lid open. This TP device supports lid pin to notify FW. We don't need to reset TP device after lid open. Disable this feature that TP device is reset after lid open.
HDR-38497 Cassini MLK - Change name for app driver
HDR-38513 Cassini MLK - 3F swipe gestures is too sensitive. The value of pointing speed is too fast in v19.5.17.x. . For 3F swipe gestures, we will check the value of pointing speed to change the threshold of 3F gestures. Reduce the value of pointing speed.
HDR-38521 Cassini MLK - ADK test fail When we register WMI event, it will cause Power consumption issue. Disable WMI event. Disable WMI event for MLK project.




Issue Number Description Root Cause Solution
HDR-37392 [DellWPF_PUWP_Win10 RS3] 2F horizontal and vertical scroll and pinch zoom not working in Photos and Photo Viewer Touchinjection feature is disabled on PUWP driver. Enable touchinjection feature on Photo viewer.
HDR-37402 [DellWPF_PUWP_Win10 RS3] Right click touchpad tray icon on Windows taskbar and then click touchpad properties, but there is no response For PUWP driver, we don't support tray icon feature. Hide "tray icon" GUI when TP driver is UWP driver.
HDR-38036 [DellWPF_PUWP_Win10RS3] Button action can't open .exe file directly. For UWP app, we can't use registry api to write any setting. We will send data to SynTPEnh.exe and it can write registry .
HDR-38199 [DellWPF_PUWP] Synaptics GUI Double Click setting can NOT sync Mouse Properties For UWP app, we can't use SystemParametersInfo to modify mouse setting. Use "sendmessage" to SynTpEnh.exe. SynTPEnh.exe will write registry setting directly.
HDR-38200 [DellWPF_PUWP] TouchPad GUI settings are not meet the spec Middle button setting is wrong. Correct middle button setting.
HDR-38420 Three finger Switch task too fast and sometimes have no function. SynTPEnh.exe can get wrong finger count because we don't cancel button thread. Don't send dummy packet and wrong finger count. SynTPEnh will not get wrong finger count and break 3F swipe gestures.
HDR-38424 [DellWPF_PUWP] WACK - App manifest resources tests failed The size of picture is wrong. Use correct picture to pass WACK.
HQA-17005 WHCK Request - 19.5.12.2 app WHCK request





System enhancements



Issue Number Description Root Cause Solution
HDR-38353 Update copyright to 2018
HDR-38278 MUP driver package for PUWP




Issue Number Description Root Cause Solution
HDR-36508 Dell UWP request





System enhancements



Issue Number Description Root Cause Solution
HDR-37997 Secure SynTPAPI (plugin API) shared memory The SYNTPAPI library created shared memory with default security descriptor which is not secure. Changed the library to set shared memory security descriptor to deny unauthorized access.
HDR-38088 v19.5.10.x: When UI is not installed, click tray icon, show mouse property page. Not check if Appx has been installed Check if Appx has been installed before opening UI
HDR-37394 [DellWPF_PUWP_Win10 RS3] No typing filter on v19.5.0.1 DellWPF_PUWP driver Keyboard filter driver doesn't work, so type filter feature fails. Implement keyboard filter feature on UWP kernel driver.
HDR-37479 [Dell_Win10] TouchPad and pointstick will keep enable status after enabled "Disable Touchpad & Pointstick when USB mouse present." When TP is PTP mode, Styk data is reported by Col05. When TP is MTP mode, Styk data is reported by Col01. For PTP mode, Styk is master. For MPT mode, Styk is slave. When TP is MTP mode, we set disable state on master. We should set disable state on slave. Force to use TP disable state and make sure that TP and styk are enabled/disabled together.
HDR-37961 [DellWPF_PUWP_Win10RS3] Device and appx should not display "Dell" characters in Alienware platform.
HDR-38031 [DellWPF_PUWP_Win10RS3] TouchPad should not keep disable after uncheck "Disabled Touchpad when USB Mouse Present" with external USB mouse. TP device is detected to "PTP device" and enable TP device automatically. Correct registry setting and TP device is not detected to "PTP" device.
HDR-38094 Uninstall PUWP driver will not remove user settings SynTPEnhService cannot remove current user settings directly SynTPEnhService will call SynTPEnh to delete user settings regs and shortcuts if existed when uninstall and remove software for PUPW drivers





System enhancements




System enhancements




System enhancements



Issue Number Description Root Cause Solution
HDR-37609 [DDM] Single point GUI mentioned point stick in dual driver mode driver When we find F17, we think that styk exists. We need to query F17 to check a styk is really connected to HW.
HDR-37630 Apply HWID for Cassini MLK UWP driver Add new HWID ID into PUWP driver. Add new HWID ID into PUWP driver.





System enhancements



Issue Number Description Root Cause Solution
HDR-37630 Apply HWID for Cassini MLK UWP driver Add new HWID ID into PUWP driver. Add new HWID ID into PUWP driver.




Issue Number Description Root Cause Solution
HDR-35652 [Siemens] Copyright year does not upgrade to 2017 New year 2017 Update copyright to year 2017
HDR-36798 SynaTPenhance still in Task manager/service Service process is killed before service process finishes remove. Removed killing service process code because the process is killed automatically when service is removed.
HDR-36860 Some controls are not working properly on Styk Page PTP status flag is used to update controls of Styk control panel. Only applied PTP status to TouchPad control panel.
HDR-37052 please remove debug registry in v19.3.31.13_HPConsumer, v19.3.31.x branch and trunk Customer request Remove key stroke log.
HDR-37577 [Dell_Win10] Should Touchpad and Mouse features be grayed out while switching to PTP mode Touchpad and mouse feature are showed when TP device is PTP device. It may cause end user confused Hide Touchpad and mouse feature when TP device is PTP mode.

Feature Added
Issue Number Description
HDR-37645 Rename publisher name for all appx




Feature Added
Issue Number Description
HDR-37572 PUWP: Remove all auxiliary drivers when uninstall device with remove driver software





System enhancements



Issue Number Description Root Cause Solution
HDR-37453 [Drax/Rocket BSW Win 10S] TP cannot towing




Issue Number Description Root Cause Solution
HDR-37395 [DellWPF_PUWP_Win10 RS3] Can't keep driver settings after resume from S3, S4, Restart and Cold boot





System enhancements