ConceptDraw DIAGRAM 18 Update for macOS and Windows Now Available
Free update delivers macOS 26 Tahoe compatibility and major performance improvements for Windows users.
October 21, 2025, Odessa, Ukraine — CS Odessa today announced the availability of a new ConceptDraw DIAGRAM 18 update for macOS and Windows. The update improves stability, enhances graphics performance, and ensures full compatibility with Apple’s latest macOS 26 Tahoe release.
For macOS users, the update focuses on Tahoe compatibility and includes several key fixes that improve rendering quality and eliminate freezing issues when moving objects in large or complex drawings.
Windows users will notice significantly improved performance when working with large diagrams, thanks to optimizations that address CGI object slowdowns and improve responsiveness across high-load projects.
How to Get the UpdateUsers of ConceptDraw DIAGRAM 18 or the ConceptDraw OFFICE 11 suite can download this update free of charge through the Updates tab in the ConceptDraw STORE application.
Those using older versions of ConceptDraw products are eligible for a discounted upgrade to access the latest compatibility and performance improvements.
ConceptDraw DIAGRAM 18 — business graphics and diagramming product (compatible with MS Visio file format).
ConceptDraw MINDMAP 16 — brainstorming, planning, and mind mapping software (compatible with MS Office file formats).
ConceptDraw PROJECT 15 — project and resource management tool (compatible with MS Project file format).
Mac Operating Systems Supported
- macOS 26 Tahoe
- macOS 15 Sequoia
- macOS 14 Sonoma
About CS Odessa
Founded in 1993, CS Odessa develops the ConceptDraw line of business productivity software for macOS and Windows. The ConceptDraw OFFICE suite delivers professional solutions for diagramming, mind mapping, and project management, trusted by business professionals worldwide.
For more information, visit www.conceptdraw.com.
Press Contact:
presscontacts@csodessa.com