如果你升级到Delphi12，这个补丁是必须打的。官方也发布了ISO版本，如这个需要重新安装。
https://altd.embarcadero.com/download/radstudio/12.0/radstudio_12_0_inline_116924a.iso
Quality Portal Issues Addresses by This Patch (notice QP remains accessible in read-only mode)
RSP-44063 Bug in MOD operation for Win64 Release configuration
RSP-43656 [REGRESSION] Wrong codegen when passing empty open array to operator overload
RSP-43568 Issue with TURI.Query Changed adding an equal sign to the URL ends with ?WSDL
RSP-43551 When MDI form & Custom Styles are used together, the Process cannot be terminated.
RSP-43547 New VisualManager feature causes crash in TCustomForm.WndProc() with Action=caFree
RSP-43515 No event OnCameraDidFinishTaking for TTakePhotoFromCameraAction
RSP-43494 Event OnValidate fails when the DBGrid is full – AGAIN!
RSP-43463 JSON serialization error with scientific double notation
RSP-43459 TEdit.FilterChar crash app on Android
RSP-43422 NetHttpClient parsing URL parameters is incorrect
RSP-43418 Wrong Delphi code optimization for integer div/mod
RSP-43407 The Delphi compiler in RAD Studio 12 is no longer able to resolve standard types by their aliases when generates HPP files for a BPL package with components if the referenced types are declared in other units
RSP-43383 Delphi 12 Android TEdit error
RSP-43362 [iOS] TListView set search visible to True, the system will crash when clicking into the search area.
RSP-43326 Blob reading is broken for 64-bit platforms in dbExpress
RSP-43318 Incorrect ShortCut in TActionList
RSP-43311 TSQLTimeStampOffset problems with Firebird 4
RSP-43299 TFlowLayout exception when all its elements are set to invisible
RSP-43274 Arithmetic operations on record fields return incorrect results in certain cases if the “Optimization” compiler option is enabled
RSP-43235 Structure view and Search for a method box no longer populated
RSP-43007 Internal compiler error F2084
RSP-42860 FMX TListBox List Index Out OF Bounds
RSP-42692 Ctrl-j – invoke template don’t work
RSP-42682 TreeView crash
RSP-42657 TTreeview crashes when scrolling in iOS
RSP-42634 QBE component causes fatal IDE crash when removed from form
RSP-42616 FMX: Key Handling different behavior in Delphi 12
RSP-42601 TURI with encoded Params are mangled when initialized