> The BSDs qualify as "Tier 3" in Mozilla's build terminology, which means that the onus is on external contributors to identify problems and propose fixes, as

> The BSDs qualify as "Tier 3" in Mozilla's build terminology, which means that the onus is on external contributors to identify problems and propose fixes, as there is no continuous integration support for these architectures. In other words, Firefox doesn't maintain the port for OpenBSD, OpenBSD developers do.