+"99b" often marks a significant [Milestone](/wiki/Milestone) or iteration within a series. It can signify the penultimate stage before a major [Release](/wiki/Release), a specific data identifier, or a numeric code within a larger system, suggesting progression towards a final state or a unique classification.
+## See also
+- [Version](/wiki/Version)
+- [Code](/wiki/Code)
+- [Progress](/wiki/Progress)