The table below illustrates the differences between the mainstream and the extended support.
| Type of support | Mainstream Support | Extended Support |
| Request to change product design and features | Available | Not available |
| Security updates | Available | Not available |
| Non-security updates | Available | Not available |
| Self-help support (help articles) | Available | Available |
| Licensing support | Available | Available |
Mainstream Support
Mainstream Support is the first phase of the product lifecycle for products and includes:
- Incident support
- Security update support
- The ability to request non-security updates
Extended Support
The Extended Support phase follows Mainstream Support for products, which includes:
- Self-help support
- Licensing support
KNX Association will not accept requests for warranty support, design changes, or new features during the Extended Support phase.