canonical_url: "https://www.addact.net/blogs/umbraco-17-lts-features-and-future"

Every few years, the digital ecosystem takes a big leap forward. Frameworks evolve, performance expectations increase, and businesses look for platforms that can modernize without disrupting their existing operations.

For teams building with Umbraco, this evolution has always felt steady and intentional — each release improving the editing experience, strengthening stability, and simplifying the development workflow.

With the launch of Umbraco 17, the newest Long-Term Support (LTS) edition, the platform reaches another important milestone. It's not a radical reinvention but a strategic continuation of everything Umbraco does well: usability, flexibility, and long-term reliability.

Why Umbraco 17 Matters

Umbraco 17 is the next LTS after version 13 — and the upgrade path is intentionally smooth.

• If you’re on Umbraco 13, you can directly upgrade to 17.
• All intermediate migrations are applied automatically.
• No multi-step upgrade headaches.

This is especially valuable for enterprise teams that prioritize stability and predictable lifecycles.

Built on .NET 10 LTS, Umbraco 17 aligns with Microsoft’s support timeline and will receive security + patch updates until late 2028. That gives organizations a strong, future-ready foundation for planning and compliance.

Major Advancements in Umbraco 17

1. Load-Balanced Backoffice

Umbraco 17 introduces true backoffice load balancing, allowing editors across regions to work simultaneously without:

• performance drops
• content conflicts
• task failures It especially improves long-running operations and real-time features like SignalR.

2. Consistent UTC Date & Time Zone Handling

Older Umbraco versions relied on server-local time, causing issues for:

• multi-region deployments
• daylight-saving differences
• workflows or scheduled publishing

Umbraco 17 fixes this with:

• All system dates stored in UTC
• Automatic migration for historical data
• A new Date-Time with Time Zone property editor Scheduling, content workflows, and integrations become far more reliable.

3. Improved Backoffice UI & Editor Experience

The editorial experience gets a noticeable polish:

• Clearer and more consistent entity icons
• Streamlined navigation
• Accessibility improvements
• Subtle but meaningful speed boosts It's not flashy, but it makes editing faster and more intuitive.

4. Stronger Extension Model

Since the switch to the Bellissima backoffice (v14), Umbraco has been moving toward a modern extensible architecture.

In version 17:

• Extensions are now first-class
• Upgrade predictability improves
• Reusable components become more stable This is a big win for teams who rely on custom editors, dashboards, or integrations.

Umbraco 17 on Cloud: Built for Scale
Umbraco Cloud gets several enhancements tailored to enterprise environments:

• Better CI/CD tooling
• Hostname validation
• Centralized identity management
• Bandwidth insights
• Reliable scaling for high-traffic workloads

Plus, Umbraco Engage now aligns with the new backoffice and supports Deploy, making personalization moves across environments seamless.

Developer-Focused Enhancements
Umbraco 17 brings upgrades that directly improve engineering workflows:

• TipTap becomes the default rich-text editor
• Server-side preview URLs
• Optimized dependency layer for .NET 10
• Faster Models Builder performance

Together, these reduce debugging friction and improve day-to-day development speed.

Installing Umbraco 17 (Quick Guide)
You’ll need:

• .NET 10 or later
• VS Code or Visual Studio 2022
• SQLite or SQL Server (2016+)
• A modern browser