Overleaf Server Pro 6.3 is available

We are pleased to announce Overleaf Server Pro 6.3! This release introduces improvements to document editing workflows, institutional theming capabilities, and updates to the LaTeX compilation environment and security infrastructure. You can read the full release notes here.

What’s new?

• TeX Live 2026: For instances using Sandboxed Compiles, TeX Live 2026 is now available. This includes the latest updates to LaTeX packages and compilation tools. See the documentation for upgrade instructions and the release notes for details on what's changed.
  • Read the TeX Live 2026 blog post for details on what’s different.
  • Check the documentation for TeX Live upgrade instructions.
• Multi-tab Editor: Files can now be opened in different tabs within the editor, enabling users to switch between multiple files without losing their workspace context. This improvement reduces friction when working on multi-file projects.
• Theme-Specific Branding: New configuration options OVERLEAF_HEADER_IMAGE_URL_LIGHT and OVERLEAF_HEADER_IMAGE_URL_DARK allow separate header logo images for light and dark interface themes. This enables organizations to maintain consistent branding across different user preferences.

Security updates

Security updates to the base image and all installed packages

How do I update Server Pro?

If you’re an existing Overleaf Server Pro customer you can learn how to update Overleaf Server Pro here.

Interested in purchasing Server Pro?

Start with our open-source, on-premises Community Edition solution, which can be freely self-installed. It will allow your organization to test the installation process and setup prior to purchasing Server Pro.

We’d be happy to provide more information and demos on Overleaf Server Pro, our on-premises solution. Please contact us to start the conversation.