DevExpress supports side-by-side installs. You can have 21.1 and 24.1 on the same machine. Just ensure project references point to the correct assembly locations.
DevExpress 21.1 is the mid‑2021 major release of DevExpress UI controls, reporting, XAF, and related libraries for WinForms, WPF, ASP.NET, Blazor, VCL, DevExtreme, CodeRush, NuGet packages, and more. It introduced .NET Core/.NET 5 updates, Blazor/XAF improvements, new controls (e.g., VCL Gantt), template gallery .NET Core templates, and product‑specific fixes and enhancements.
Search engines show multiple non-official sources offering “free” downloads. Here is what typically hides behind those links:
Always verify the digital signature of DevExpress.NETComponents-21.1.x.exe. Right-click → Properties → Digital Signatures tab → Certificate should be issued to Developer Express Inc. and show as valid.
Q: Is DevExpress 21.1 free?
A: No. It requires a commercial license or an active trial. The software is not freeware. devexpress 21.1 download
Q: Can I use DevExpress 21.1 with .NET 6 or 8?
A: Not officially. The 21.1 assemblies target .NET Standard 2.0 and .NET Core 3.1/.NET 5. For .NET 6+, switch to version 21.2 or later.
Q: Where can I find release notes for 21.1?
A: Visit https://www.devexpress.com/Products/History/ and select 21.1.
Q: How long does the DevExpress 21.1 trial last?
A: 30 days. After that, controls will display a watermark.
Q: Can I downgrade from 21.2 to 21.1?
A: Yes, uninstall 21.2 and run the 21.1 installer. Always back up your projects first, as newer designer files may not be backward-compatible. DevExpress supports side-by-side installs
Date: May 2021 Subject: Review of DevExpress 21.1 Release Highlights Target Audience: Software Architects, .NET Developers, IT Managers
The DevExpress Blazor Data Grid (DxDataGrid) matures in 21.1 with features critical for enterprise deployment:
For teams that prefer package management, NuGet is faster and does not pollute build servers with global installers.
Open Package Manager Console
Run the following command to install a core library: DevExpress 21
Install-Package DevExpress.Data -Version 21.1.7
Pin the Version in packages.config or Directory.Packages.props
This prevents accidental upgrades to 21.2 or 22.1.
Note: The NuGet feed for 21.1 requires that your subscription was active at the time of its release. Expired subscriptions cannot generate new authorization keys for older feeds.
Cause: Your NuGet feed authorization key is incorrect, expired, or belongs to a subscription that never included 21.1.
Fix: Generate a new key from the Client Center. If your subscription started after 21.1, you are not legally entitled to use that version via NuGet.