Security Vulnerability Assurance
Ensures security fixes are provided for any CKEditor bugs that threaten the security of your application
CKEditor 5 Long-term Support Edition
A guarantee that your editor remains secure and stable within up to three-year intervals. No additional updates or maintenance needed.
One Stable Release
One LTS release per 2 years and 1 year overlap between subsequent versions means a 3-year security and third-party related fixes warranty
Focus on your Business
Focus on what’s important to your business, and rest assured that your CKEditor remains secure and stable
Third-party API Changes Assurance
We resolve* any critical / high severity issues in CKEditor 5 caused by changes in a third-party apps (eg. browser, MS Word) that CKEditor 5 depends on for its functionality
* Time limitations apply
Standard Support
Access our Customer Support team for ongoing support requests as per your standard contract terms
Frequently asked questions
CKEditor 5 LTS Edition is released once every two years and guarantees up to 3 years of security and compatibility fixes with no breaking changes. Unlike regular releases (3–4 per year), it lets you stay on a single, stable version without mandatory upgrades.
Teams that need long-term stability – especially in enterprise, government, education, or regulated industries – where frequent upgrades are difficult or costly.
Each edition comes with a 3-year support window, including security patches and third-party API compatibility fixes. Overlapping support ensures a smooth upgrade path between editions.
Yes – for the first 6 months after release, you receive all new features and bug fixes (and non-breaking changes). After that, you get critical security and compatibility updates only.
No major upgrade is required for 3 years, unless you choose to adopt a newer version earlier, during the 3-year period.
Fixes for breaking changes caused by external dependencies (e.g., browser updates, OS changes, MS Word integrations) that impact CKEditor 5 functionality.
It’s available as an add-on to your CKEditor 5 license. Contact our sales team for pricing and a tailored plan.
Yes, you can switch at any time – but earlier adoption maximizes your stability window.
No – it adds extended stability and security coverage while keeping your existing support contract in place.