If the beta customer identifies critical usability or missing functionality at this stage, you have a difficult decision: release with the critical defect or delay the release in order to redesign.
When version 3.0 of the operating system came out, even the updates were minimal and only added essential functionality missing from the first release.
当操作系统的3.0版本发布后，即使是更新也非常微小，只是添加了首版中缺少的几个基本功能。
3
However, a number of people asked for a quicker release that included features provided by other test frameworks, which are currently missing from NUnit.