[feature] changelog in release

**Is this a BUG REPORT or FEATURE REQUEST?**:

> Uncomment only one, leave it on its own line:
>
> /kind bug

/kind feature

**What happened**:
Can we generate more useful changelogs ？

**What you expected to happen**:

**How to reproduce it (as minimally and precisely as possible)**:

**Anything else we need to know?**: