paint.net 5.0.9 is now available

This is a small update that fixes a few important bugs.

There are two releases of Paint.NET:

Microsoft Store release (recommended)
- You can purchase it here. This helps fund development and is an alternative or supplement to sending in a donation.
- If you already have it installed, the update should happen automatically once Microsoft certifies the update, usually within the next day or so. To get the update immediately (once it’s certified), you can follow the instructions listed here.
Classic Desktop release
- Download the installer from the website. This is the recommended download if you don’t have Paint.NET installed. It can also be used to update the app.
- If you already have it installed, you should be offered the update automatically within the next few days, but you can also get it immediately by going to ⚙ Settings -> Updates -> Check Now.
- Offline Installers and Portable ZIPs are available over on GitHub.

Changes since v5.0.8:

Fixed: When using Alt+Tab, the internal state of the Alt key could get ‘stuck’ when the Shapes or Line/Curve tool was active, causing the next shape or line/curve to be drawn from the center
Fixed: Sliders were not responding to the mouse wheel (regression in 5.0.8)
Fixed the DeviceEffect.Properties.Min/MaxInputCount properties, which were throwing an ArgumentException (for plugin authors)
Fixed a rare crash at app exit due to a race condition in the auto-updater
Fixed a rare crash when the system resumes from sleep mode, due to a race condition in DWM reporting whether composition is enabled
Fixed a rare crash when using copy+paste due to .NET Runtime issue #84994 https://github.com/dotnet/runtime/issues/84994
Updated the bundled DDSFileTypePlus plugin to v1.12.2.0, which fixes the inability to save on ARM64 systems (thanks @null54!)
Updated the bundled WebPFileType plugin to v1.3.19.0, which fixes the inability to save on ARM64 systems (thanks @null54!)

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