Any critical bug-fixes left for releasing v0.12.3

[Xiangdong Huang]

Hi,

I see we have finished many bugfixes in rel/0.12.

Do we have any bug-fixes that block releasing v0.12.3?

Best,
-----------------------------------
Xiangdong Huang
School of Software, Tsinghua University

 黄向东
清华大学 软件学院