Versioning Scheme for IGEL OS 11 to IGEL OS 12.01

...means a generally and publicly available version of the software that

• includes functional enhancements and improvements
• fixes bugs and defects
• is counted by the first number by the left

...indicates a stable release within one major version. A release version exists always in connection with a stable release. 

It is counted by the second number by the left.

...means a generally and publicly available version of the software that

• includes a limited number of new functionalities
• fixes errors and defects
• is counted by the last number in steps of 100

Rolling Release

11.07.120

...means a generally and publicly available version of the software that

• includes a limited number of new functionalities
• fixes errors and defects
• is counted by the last number in steps of 10

...means a version with limited availability unless it includes a fix for common and widespread problems. A Private Build

• contains very little or no new functionality
• fixes for bugs and defects
• is counted by the last number in steps of 1

...means that the version is not publicly available and no subsequent versions based on it will be available. A Dead End Release 

• contains only new functionality
• fixes for bugs and defects explicitly required by a customer
• is indicated by the addition "DER" after the last decimal point

...means a not publicly available version that is still under development. A Release Candidate

• is a trial version and is not supported by IGEL
• is identified by the addition "rc[1 ... n]" after the last decimal point

...means a preview of software that is under development. A Technology Preview

• is a preview version only and is not supported
• has a special contact channel for inquiries specifically for this version
• is identified by the addition "tp[1 ... n]" after the last decimal point