The latest version of Toon Boom Harmony is version 25, released in late 2025. While Harmony has long been available for Linux (specifically targeted at enterprise/studio environments), the latest updates introduce significant new features across 3D integration, AI-powered tools, and improved performance. Key New Features in Harmony 25

The most recent major update, Harmony 25, introduces several quality-of-life and performance improvements as of early 2026: 

Adding Assets: You can add new vector or bitmap layers via the Layer > New menu or the Add buttons at the bottom of the Layer panel.

Support for full traditional, paperless hand-drawn workflows. Premium Professional Studios

Setting up the Harmony database (LinkServer) and managing X-Window configurations requires a dedicated systems administrator. Conclusion

Cons: Steep learning curve for beginners; higher subscription costs compared to competitors like Adobe Animate; Linux support is limited to server/pipeline configurations. 

If you want, I can provide:

and remote license management, streamlining activation for remote or large-scale studio teams. 3D Integration : Now supports Vulkan 1.1