About release of Singularity 3.6.3 and suspension of previous versions

Due to a security issue found in an existing version of Singularity, we are discontinuing the release on the following dates.
Please use the version 3.6.3, which fixes the problem.

(on TSUBAME)target versions:  2.6.1 ~ 3.6.0
scheduled suspension time: around 2020.09.30(Wed) 12:00