Release Notes

Please check our Troubleshouting guide in case of problems when upgrading.

For existing projects with earlier realvirtual.io Versions than 2022.15 please install first the package Update202215.unitypackage into your existing project for preparing the update (see below).

Version history

Version 6.0.1 23. November 2024 (realvirtual.io Professional, Starter)

  • New Signal in Source for generation based on Distance

  • Fixed Bug Ortho Overlay windows in Play mode

  • Fixed Bug in TransportSurface when DriveParent is used an moving

Version 6.0.0 6. November 2024 (realvirtual.io Professional, Starter)

Version 2022.18 18. September 2024 (realvirtual.io Professional & Simulation)

  • Bugfix Selection Window

  • Bugfix Duplicated Name in Signal

  • Bugfix TwinCAT interface with new BestHTTP3 library

  • Bugfix missing attribute LastCameraPosition in SceneMouseNavigation

  • Bugfix Measure Tool for Radius

  • Selection Window Prefix of Groups is now also used in Group Filter

  • Bugfix QuickEdit for Pathes (Curves and Lines) (only realvirtual.io Simulation)

Version 2022.17 16. August 2024 (realvirtual.io Professional & Starter)

If you are upgrading to 2022.17 from versions before please delete before importing the new release these files:

  • realvirtual/Professional/CollectionBuilder/PlannerAttribute.cs

  • andy maybe, if existing somewhere in your project the file "EnvironmentSetup.cs"

  • New SEW MQTT Interface: Introduced a new interface for SEW MQTT, enhancing communication capabilities with SEW Controllers (only Professional)

  • Improvements in FixedUpdate Sequence: Enhanced the FixedUpdate sequence for better performance and predictability. New events in the Drive component have been added (details at motion-for-developers).

  • Improved Folder Structure: All Professional functions, except for interfaces, are now organized under the realvirtual.io Professional directory, improving project organization.

  • Improvements and Bug Fixing in Kinematic Tool: Enhanced functionality and resolved issues in the Kinematic Tool for more reliable operation (only Professional).

  • Bug Fix - Linux Compilation: Addressed and fixed compilation issues specific to Linux.

  • Bug Fix Render Pipeline switching - see https://doc.realvirtual.io/advanced-topics/render-pipelines

Version 2022.16 31. July 2024 (realvirtual.io Professional & Simulation)

  • Bugfix CAM on continous CAMs with offsets.

  • Bugfix for new feature GuidedTransport on TransportSurfaces in realvirtual.io Simulation

  • Bugfix Snapping in combination with realvirtual.io Simulation

  • Bugfix Simulation Pause in combination with realvirtual.io Simulation

  • Bugfix Sensor on CurvedConveyor in realvirtual.io Simulation

Version 2022.15 15. July 2024 (realvirtual.io Professional)

Before upgrading from an old release 2022.14 and before please imort into the existing project this Unitypackage below. After this you are ready to install the main update to 2022.15

Version 2022.14 04. July 2024 (realvirtual.io Professional)

Version 2022.13 17. Mai 2024 (realvirtual.io Professional, Simulation)

Version 2022.12 29. Apri 2024 (realvirtual.io Professional)

  • Bugfix URRobots Interface

  • Added compatibility to AR, XR scaling for realvirtual.io Industrial Metaverse

  • Enhanced URP and HDRP switching

  • Bugfix for OPCUA when connectiong to S7 OPCUA servers

  • New Drive public method SetPosition(float position) for prevent one fixed update delay of positions for CAMs, FollowPosition and DriveRecordings.

Version 2022.11 13. March 2024 (realvirtual.io Professional)

Version 2022.10 10. Februar 2024 (realvirtual.io Professional, Simulation, OPCUA4Unity)

  • Bugfix OPCUA Interface when reconnecting or using some IP adresses

  • New measure tool (see https://doc.realvirtual.io/basics/measurement)

  • Bugfix GuidedTransport in circular collider and demo model

  • Bugfix compling and running on MacOs (complier defines adopted)

  • Bugfix snapping and side guides in realvirtual.io Simulation

Version 2022.09 11. November 2023 (realvirtual.io Professional)

Version 2022.08 27. September 2023 (realvirtual.io Professional)

  • Bugfix Android Build

  • FMU interface removed from release

  • Bugfix HMI on Touch Displays

  • Bugfix CADLink Step CAD interface

Version 2022.07 07. September 2023 (realvirtual.io Professional)

Bugfix scene mouse and touch panning if behinder bottom surface center.

Bugfix and improvements HMI (see https://doc.realvirtual.io/components-and-scripts/hmi-components/start-your-own-hmi) (only Prof).

Linux compatible compiler defines.

Version 2022.06 14. August 2023 (realvirtual.io Professional, Starter) Bugfix for some special CAD data proplems in CADLink Step interface (only Prof).

Bugfix normal maps and vertices for 3MF Import in CADLink (only Prof).

Bugfix scene mouse and touch panning if behinder bottom surface center (Prof and Starter).Bugfix and improvements HMI (see https://doc.realvirtual.io/components-and-scripts/hmi-components/start-your-own-hmi) (only Prof).

Version 2022.05 07. August 2023 (realvirtual.io Professional)

Bugfix in Assembly definitions of some interfaces, which made some interfaces not work in editor.

Version 2022.04 02. August 2023 (realvirtual.io Professional)

New HMI components - see https://doc.realvirtual.io/components-and-scripts/hmi-components

Version 2022.02 17. July 2023 (realvirtual.io Professional)

PLCSimAdvanced interface now able to import "non HMI" PLC tags as well as structs.

Bugfix Siemens Simit Interface.

Version 2022.01 30. June 2023 (realvirtual.io Professional, Starter)

This is the first release for Unity 2022 LTS.

Compiles now also on WebGL without manually deleting

erything rebranded from old game4automation to new realvirtual

removed old and unnecessary things from main menu

please also check the upgrade guide from 2021 here: https://doc.realvirtual.io/advanced-topics/upgrade-to-2022

Version 2021.17 19. June 2023 (realvirtual.io Professional)

OPCUA new option for defining the Poll update rate (see https://doc.realvirtual.io/components-and-scripts/interfaces/opcua#polling-opcu-nodes).

New function for optimizing meshes (reducing the number of polygons after import): https://doc.realvirtual.io/components-and-scripts/mesh-optimizer.

Mouse and Touch navigation in Game mode improved, now working on all platforms including WebGL.

Bugfix PLCSim Advanced when working with Int.

Bogfix TwinCAT HMI interface when working with user logins.

Bugfix RobotIK target.

Version 2021.16 31. March 2023 (realvirtual.io Simulation)

Removed severe Bug in Snapping function between Conveyors.

Changes only made to realvirtual.io Simulation - noch changes in Starter or Professional)

Version 2021.16 10. March 2023 (realvirtual.io Professional, CADLink)

CADLink is now able to instantiate imported materials so that they are available in the Assets folder and not only in the scene / mesh itself.

Fixed Bugs in Performance Optimizer (rotation and undo)

Bugfixing Fixer - removed release on collission non MU option (will be replaced by Glue component in the next release)

Replay and restart option in Game4automationController (enables automatically restarting the scene for demonstration purposes)

Version 2021.15 03. March 2023 (realvirtual.io Professional, Starter, OPCUA)

New MaterialWindow for quickly assigning Materials to imported CAD data (https://doc.realvirtual.io/basics/material-window)

Solved Problems when connecting to some OPCUA servers (e.g. Matrikon).

Added Security Policy Selection and Password Signature Algorithm Selection for OPCUA Interface.

Improvements for PerformanceOptimizer.

Fixed problem with touch navigation and inverted axis in game mode.

Version 2021.14 16. Februar 2023 (realvirtual.io Professional, realvirtual.io Simulation)

OPCUA - added support for pathes below IP Adress.

Renamed Recording to DrivesRecording

New function Performance optimizer for baking meshes and improving performance in very large models: https://doc.realvirtual.io/components-and-scripts/performance-optimizer

Removed bug with layer settings in combination with realvirtual.io simulation

Added new interface based on Siemens Simit Interface: https://doc.realvirtual.io/components-and-scripts/interfaces/siemens-simit-interface

Selection raycast deactivated in standard game4automation prefab for preventing performance impacts when creating complex MU with sources.

Version 2021.13 25. Januar 2023 (realvirtual.io Professional)

Improved accuracy in RobotIK by calculating correction values.

Bugfix TransportSurface animation.

Version 2021.12 13. Januar 2023 (realvirtual.io Professional , Starter, CADLink,OPCUA4Unity)

Improved performance and bugfix Step Import in CADLink (Professional, CADLink).

OPCUA supported datatypes for realvirtual.io, conversion to PLCOutputInt (Uint16,Int16,UInt23,Int32) (Professional, OPCUA4Unity)

OPCUA bugfix reading null values on bad status of a node (Professional, OPCUA4Unity).

Bugfix TransportSurface animation (Professional, Starter)

Bugfix TwinCATHMI interface (Professional)

Inverse kinematic for Robots (RobotIK) - added function "Turn Correction" of 180 Degrees if sum of Axis 4 and 6 is 360, Axis 4 and 6 can be corrected by 180 Degrees.

Version 2021.11 20. December 2022 (realvirtual.io Professional , Starter, CADLink)

Fixed problems with Speed Changes and TransportSurface animation.

Fixed performance and other issues with CADLink Step interface.

Changed properties in TransportSurface for limiting the RigidBody Constraints on enter and exit.

New export full project as zip file option in main menu bar.

Fixed Bug in Drive with UpperLimit signal.

Fixed problem in Solutions within RobotIK and additional function for drive position correction on PTP movements.

Version 2021.10 15. November 2022 (realvirtual.io Professional , Starter)

New documentation pages (this pages).

Fixed problem in Chain systems.

Fixed problems with TransportSurfaces and parent drives

TransportSurface Performance Optimization by only setting colliders in needed cases

Fixed the Problem with two NewtonSoftJSON DLLs (if it is twice in the project because of Unity packages) - see Newtonsoft JSON

Version 2021.09 01. November 2022 (realvirtual.io Professional , Starter)

Orthographic overlay cameras for top, front and sideview (https://realvirtual.io/documentation/current/runtimeui.html#Campera-Positions). Switch for setting Main camera in orthographic mode (https://realvirtual.io/documentation/current/runtimeui.html#Campera-Positions). Game window camera position and view setting is saved automatically after game ends and restored. New design of standard scene and demo scene with black background and bottom. New Universal Robots interface including demo model with UR script example (https://realvirtual.io/documentation/current/runtimeui.html#Campera-Positions).

Bug in TransportSurface in combination with parent drives of version 2021.07 and 2021.08 fixed. Parent drive can now have multiple Drives above and movement direction of parent drive is not limited.

Version 2021.08 26. Oktober 2022 (realvirtual.io Professional )

Removed bug in Transportsurface with Parent Drives of Version 2021.07

Version 2021.07 22. Oktober 2022 (realvirtual.io Professional, CADLink)

Stability improvements in OPCUA interface.

Stability improvements in PLCSIM Advanced interface.

New MQTT interface (https://realvirtual.io/documentation/current/mqtt.html).

New TwinCATHMI interface (https://realvirtual.io/documentation/current/twincathmi.html)

CAD Step import DLLs based on a new framework.

Version 2021.06 26. Steptember 2022 (realvirtual.io Professional)

Enhancements Fixer (blocking handing over to other fixers, limitation on tags and setting tags after fixing).

Pattern component for automatically building circular or matrix patterns with gameobjects (e.g. Fixer patterns).

New component Unfixer.

Support of additive scene loading, changes in Game4automationController for defining additive scenes for one scene. game4automation controller in additive scenes is automatically disabled.

Version 2021.05 - 31. August 2022 (realvirtual.io Professional)

Bugfix robot inverse kinematics when PTP and same position.

Bugfix DrivePosition in some rare cases with RobotIK.

Additional signal waiting and signal setting function on inverse kinematics targets.Added optional HomePosition for RobotIK on simulation start.

Bugfix inverted Upper and LowerLimit Signals on Drive.

Bugfix compile switches for SpaceNavigator and IOS.Improvements and bugfixes in Fixer for beeing able to act as a simple Gripper like vaccum grippers.

Version 2021.04 - 26. August 2022 (realvirtual.io Professional)

New robot inverse kinematic function (see https://realvirtual.io/documentation/current/robotik.html).

Temlate for creating new game4automation scenes with File > NewScene. Source is now working with Fixer on created Mus.

Version 2021.03 - 14. Juli 2022 (realvirtual.io Professional, realvirtual.io Simulation)

First 2021 release for Professinal AND Simulation. Minor changes in chain in Professional for compatiblity to Simulation.

In Simulation added Shoe Sorter, Cross Belt Sorter and Spiral Conveyor - see https://realvirtual.io/documentation/current/conveyorlibrary.html)

Version 2021.02 - 07. Juli 2022 (realvirtual.io Professional, Starter)

Support for AGX physics engine - see https://realvirtual.io/documentation/current/agxphysics.html

CreateOnDistance in source with optional random behavior - see https://realvirtual.io/documentation/current/source.html

Singal Manager able to deactivate unconnected signals - https://realvirtual.io/documentation/current/signalmanager.html

Version 2021.01 -24. June 2022 (realvirtual.io Professional, Starter)

Product rebranded to realvirtual.io (namespace is unchanged for backwards compatibility)

Bugfixes OPCUA interface

Support for Unity Visual Scriping (see https://realvirtual.io/documentation/current/unityvisualscripting.html)

Version 2020.15 -10. February 2022 (Game4Automation Professional)

EthernetIP Interface added (see https://game4automation.com/documentation/current/ethernetip.html)

Version 2020.14- 17 Januar 2022 (Game4Automation Professional) OCUA basis framework changed to LibUA for compatiblity to IL2CPP, Hololens and IOS

Version 2020.13- 08 December 2021 (Game4Automation Starter, Professional)

New LogicSteps for visual scripting (Professional) (see https://game4automation.com/documentation/current/logicsteps.html).

Better performance and extensions MemoryArea ReadWrite Mode S7 interface (see https://game4automation.com/documentation/current/s7tcpip.html).

Additional CyclcSumCommand mode for faster communication with TwinCAT ADS (Professional) (see https://game4automation.com/documentation/current/twincat.html).

Added PerformanceOptimizer for combining meshes (Professional).

Added SignalManager for automatically connecting and creating signals (Professional).

Version 2020.12- 21 November 2021 (Game4Automation Starter, Professional, Simulation)

Bugfix S7Interface AreaReadWrite Mode

Bugfix compile errors for executables.

Version 2020.11- 15 November 2021 (Game4Automation Starter, Professional, Simulation)

Rebranding of Conveyor Library to Game4Automation Simulation

Changes in Starter and Professional for Game4Automation Simulation compatibility

Version 2020.10 - 11 November2021 (Game4Automation Starter)

Simit SHM now included in Starter

Bugfix QuickEdit Overlay

Version 2020.09 - 13 October 2021 (Game4Automation Professional, Starter)

New ABB RobotStudio Interface (only Professional)

Fixed bug in writing M floats in S7 interface

Interact3D component for Pushbuttons in 3D scene

Added support of Articulation Bodies kinematic

Version 2020.08 - 17 September 2021 (Game4Automation Professional, Starter)

New optional area read/write mode for faster signal exchange in S7 interface

Setting for display quality in runtime ui

Fixed bug missing hierarchy icons

Version 2020.06 - 20 July 2021 (Game4Automation Professional, Starter)

Added icons for standard game4automation scripts

Better standard settings in source, sensor and mu

PLCOuput in Sensor now included - no Sensor_Standard needed any more

Fixed compile error for Global.cs in Build

Version 2020.05 - 09 July 2021 (Game4Automation Professional, Starter)

New Force Drive - moving Cylinders with Forces

New Recorder for recording Drive movements (e.g. from external Robot Controller

Bugfixes QuickEdit

Bugfixes Gripper & Aligner

Version 2020.04 - 29 June 2021 (Game4Automation Professional, Starter)

Fixed Align for QuickEdit QuickEdit on/off is now saved in preferences New Fixer Component New example Model for Gripping objects (Grip, Gripper and Fixer) Restructured Code for Gripping (IFIX interface)

Version 2020.03 - 22 June 2021 (Game4Automation Professional, Starter) New Quick Edit Window for faster engineering workflow (see https://game4automation.com/documentation/current/userinterface.html#Quickedit)

Fixed problem with importing OPCUA nodes

Renaming Simulink interface

Fixed problem with reading boolean values from DBs in S7 interface

Calculate max distance in SceneMouseNavigation by bounding box

New script for modelling robot grippers with finger (Gripper.cs)

Version 2020.02 - 14 May 2021 (Game4Automation Professional, Starter,OPCUA4Unity) Fixed Bug in OPCUA with multiple parallel connections

Highlighting of Groups and Kinematic connections

Added ability to Grip part from another Gripper (see dermo

Assets/game4automation/Scenes/DemoGripping.unity) Added script for definiing drive motion sequences (see also Assets/game4automation/Scenes/DemoGripping.unity) Automatic calculation of maximimum scene mouse zoom in game mode based on bounding box Renaming of Matlab interface to Simulink interface Fixed positioning bug on rotating transport surfaces

Version 2020.01 - 04. April 2021 (Game4Automation Professional, Starter,Conveyor-Library)

Upgrade to Unity Version 2020 LTS

NaughtyAttributes upgraded, now remains in standard namespace

Improvements in Signal connection information

Improvements in Reconnect of OPCUA on connection losses

Version 2019.13 - 31. March2021 (Game4Automation Professional, Starter)

Minor changes for the new Game4Automation Conveyor Library

Compatibility with the Game4Automation Conveyor Library - available soon on the Unity Asset Store (see https://game4automation.com/documentation/current/conveyorlibrary.html)

Version 2019.12 - 16. February 2021 (Game4Automation Professional, Starter, CADLink & OPCUA)

Added ability to import Step files (CADLink)

Added Behavior Models for Drives - Drive_Speed and Drive_ContinousDestination (see https://game4automation.com/documentation/current/drivebehaviour.html)

Added Measure Component (see https://game4automation.com/documentation/current/measure.html)

Added MeasureRaycast Component (see https://game4automation.com/documentation/current/measureraycast.html)

Added FMI Interface (see https://game4automation.com/documentation/current/fmu.html, only Professional)

Added Events, Multithreaded Connection to OPCUA Interface (see https://game4automation.com/documentation/current/opcua.html, only OPCUA and Professional)

Added ability to delete MUs in Sensors

Added events to MUs (Load and Unload)

Added functions for correctly aligning ChainElements

Updated NaughtAttributes Tool to newest version

OPCUA now limited to Windows (IL2CPP and Mono) and Android (only Mono)

Version 2019.11 - 29. November 2020 (Game4Automation Professional & Starter)

Bugfix Gripper on robot in demo model.

Version 2019.10 - 26. November 2020 (Game4Automation Professional & Starter)

Added ability to hide non G4A components on GameObjects in Unity Editor Improved possibilities to move Transportsurfacs (see https://forum.game4automation.com/de/communities/1/topics/188-colider-box-vertical-movment-on-chan-element) New component StartDriveOnCondition (see Demo scene DemoStartDriveOnCondition)

Version 2019.08 - 18. November 2020 (Game4Automation Professional)

Bugfix OPCUA, fixing Licensing issues and IL2CPP compilation

Version 2019.08 - 09. November 2020 (Game4Automation Professional)

Fixed Bug OPCUA interface - missing references

Version 2019.06 - 05. November 2020 (Game4Automation Professional)

Fixed licensing issue for STEP interface

Version 2019.05 - 23. October 2020 (Game4Automation Professional)

CADLink - Added STEP Interface (see https://youtu.be/nsPeRgbU_XE)

S7 Interface - Added ability to read DB values (see https://game4automation.com/documentation/current/s7tcpip.html#Reading-and-Writing-DBs)

Modbus Interface Added (see https://game4automation.com/documentation/current/modbus.html)

Version 2019.04 - 20. August 2020 (Game4Automation Professional, CADLink)

CADLink 3mf export now supports big meshes with more than 65.000 vertices

CAM continuous function for driving e.g. chains with CAMS

CAMTime can be started at the end of another CAMTime

Version 2019.03 - 12. August 2020 (Game4Automation Professional, Starter, OPCUA)

New Version numbering now with Unity Base Version (2019) in front of our Version number.

Please upgrade to Unity 2019.4 LTS!

Better stability and automatic reconnecting for all interfaces (Shared Memory, OPCUA, TwinCAT, Sz-TCPIP)

Integrated First Person View in Runtime UI (https://game4automation.com/documentation/current/runtimeui.html#Scene-Navigation)

New standard switch to enable or disable components and for switch between Simulation Mode and Virtual Commissioning mode (https://game4automation.com/documentation/current/runtimeui.html#Connection-Status)

Version 2019.01 - 07. July 2020 (Game4Automation Professional, Starter) New Version numbering now with Unity Base Version (2019) in front of our Version number.

Please upgrade to Unity 2019.4 LTS!

New RoboDK Interface (https://youtu.be/C2ZngS9Lhck)

OPCUA bugfixes improvement

New ABB Robotstudio OPCUA Demo scene (https://youtu.be/3v8-7ap__RA)

Chain Systems

Version 1.036 - 07. June 2020 (Game4Automation Professional, Standard, CADLink)

Bugfix CADLink import (recalculated Mesh Bounds)

New Function for PIXYZ based Update of large CAD Data (see https://youtu.be/1IC12iZzL0w)

PartChanger for changing visual appearance of CAD files (see https://game4automation.com/documentation/current/partchanger.html)

Bugfixes PLCSIMAdvanced Interface

Bugfixes Sensor and Grip

New function Prefixes in Groups

Version 1.034 - 14. February 2020 (Game4Automation Professional & Starter)

New function for motion axis CAM - see https://game4automation.com/documentation/current/cam.html, and on Youtube https://youtu.be/nPNgIWcwDAM

New tool for checking CAD imported meshes CADChecker (only Professional) - see https://game4automation.com/documentation/current/cadchecker.html

New tool for selecting and grouping components SelectionWindow (only Professional) - see https://game4automation.com/documentation/current/selectionwindow.html

Version 1.033 - 08. January 2020 (Game4Automation Professional &Starter)

Bugfix Follow Parent option in Transportsurfaces

Removed Interact message on simulation startup

Please remove \Assets\game4automation\private\Editor\QuickToggle folder when upgrading from Version 1.031 and below!

Version 1.032 - 18. December 2019 (Game4Automation Professional & Starter)

Bugfix TwinCAT Interface (crash when starting multiple times)

Bugfix Interact when importing

Version 1.031 - 17. December 2019 (Game4Automation Professional & Starter)

New Icons in HierarchyView and HierarchyView Performance Improvement

Performance Improvement Transportsurfaces

New Kinematic and Group Functions

(see Documentation https://game4automation.com/documentation/current/kinematics.html, and Youtube Tutorial: https://youtu.be/c3Y6i7QyrxI)

Interact Integration (Interact is an optional module for Game4Automation)

see https://youtu.be/BQ3lLGU5l7c

Version 1.030 - 22. November 2019 (Game4Automation Professional & Starter)

Added new radial Transportsurfaces. Transportsurface is getting radial as soon as you select RotationX,RotationY or RotationZ as direction. The center point of the rotation needs to be in the local coordinate system zero.

Changed calculated deltatime in Drives and Transportsurfaces to fixedtimeDelta for better accuracy.

Version 1.029 - 19. November 2019

Signals are now displaying if they are connected to a behavior model or not. If not, the signal values are displayed like that: "(SignalValue)"

Each Signal now has information about its connections to behavior models. In the section "Signal Connection Info" the Behavior model and the connection is displayed to which the signal is connected:

Version 1.028 - 15. November 2019 - Bugfix TwinCAT Interface

Bugfix Error Drive directions and Drive handles in rotated assemblies

Version 1.027 - 14. November 2019 - Bugfix winCAT Interface

Bugfix read of signals (sometimes not all signals where transfered in one cycle together)

Version 1.026 - 5. November 2019 - Bugfixes

Bugfix in TwinCAT ADS typecasts Bugfix in OPCUA typecasts Better OPCUA4Unity and Game4Automation integration

Version 1.025 - 31. October 2019 - TwinCAT Beckhoff TwinCAT Interface integrated - see in Youtube

Drive Positions are now also working correctly if parent GameObjects are scaled. Position are always relative in millimeters, no matter how the scaling of the GameObject itself is.

Version 1.024 - 25. October 2019 - Bugfixes

Problem with space in path name for parts4cad fixed (https://forum.game4automation.com/communities/1/topics/91-parts4cad-dont-open)

Problem with rotational drive in combination with prismatic fixed (https://forum.game4automation.com/communities/1/topics/109-problem-with-rotational-drive-in-combination-with-prismatic-drive)

Full application, including OPCUA, now compiles again with .Net4.0 settings and Mono or ILCPP:

You can find older release notes here:

https://game4automation.com/documentation/current/releasenotes.html

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