How to update plugins to Studio 2021

Prerequisites
- .NET Framework 4.8
- Visual Studio extension for Studio 2021
How to download .NET Framework

The new .Net Framework can be downloaded from Microsoft site. After you install the framework an restart is required.

How check if the framework was installed correctly

After restart using PowerShell you can check if the version was installed correctly.
- In Windows search for PowerShell and open it as Administrator.

- Type following command
gci ‘HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP’ -recurse | gp -name Version -EA 0 | where { $_.PSChildName -match ‘^(?!S)\p{L}’} | select PSChildName, Version

Make sure in the displayed list 4.8... version is installed.
How to migrate plugin without Visual Studio extension

Plugin manifest changes

Studio 2021 is with the AppStore and will allow users to install/uninstall plugins directly from Studio, because of this pluginpackage.manifest.xml file needs to have following required data:
- Plugin name. Please make sure the plugin name is added in the manifest file
- Version. Please make sure the version of the plugin does not contain any words in it ( example of correct format: 1.0.0.0)
- MinVersion 16.0. Please make sure the minversion is set to "16.0" (If by mistake the version is set to 16, in visual studio will appear an error.

Target Framework changes
Project .Net Framework needs to be changed to 4.8. Right click on the project -> Properties -> Application-> Target framework
package.config changes
Right click on package.config file -> "Migrate to PackageReference".

Why do I need Visual Studio Extensions
- It will install in Visual Studio the templates needed to create Trados Studio 2021 plugins.
- It will install a action which will migrate the existing plugin solution to Studio 2021.
How to download Visual Studio Extension for Studio 2021

Visual Studio extension can be installed in Visual Studio 2017 and 2019.

Visual Studio 2019

Go to Extensions-> Manage Extensions

In Manage Extension window Online Tab search for SDL -> Install "Visual Studio templates for SDL Trados Studio 2021"

Visual Studio 2017

Go to Tools-> Extensions and Updates

In Extensions and Updates window ->Online Tab search for SDL -> Install "Visual Studio templates for SDL Trados Studio 2021".

How to update a old plugin solution to Studio 2021

After the extension was installed open the solution of the plugin which you want to migrate to Studio 2021. In the Solution explorer a new button should be available:

Click on "Update" button. A warning message will appear click on "Reload All"

What the Visual Studio exension changed to your solution
- .NET Framwwork of your project should be 4.8
Right click on project -> Properties
- All the references from .csproj should point to Studio16 folder
Right click on project-> Unload project-> Edit .csproj

PluginDeploymentPath should point to Studio version "16":

<PluginDeploymentPath>$(AppData)\Sdl\Sdl Trados Studio\16\Plugins</PluginDeploymentPath>

All references should point to Studio16 folder:
<HintPath>$(ProgramFiles)\SDL\SDL Trados Studio\Studio16\Sdl.Desktop.IntegrationApi.Extensions.dll</HintPath>