|Branch||Initialization||Active Support Until||Security Support Until|
|Active support||A release that is being actively supported. Reported bugs and security issues are fixed and regular point releases are made.|
|Security fixes only||A release that is supported for critical security issues only. Releases are only made on an as-needed basis.|
These releases that are no longer supported. Users of this release should upgrade as soon as possible, as they may be exposed to unpatched security vulnerabilities.
v1.x(2012-7-1 ~ 2018-05-14)
v2.x(2016-12-30 ~ 2018-05-23)
v4.2.x(2018-06-14 ~ 2019-02-02)
v4.3.x(2019-2-7 ~ 2019-12-31)
：Code submit frequency
：React/respond to issue & PR etc.
：Well-balanced team members and collaboration
：Recent popularity of project
：Star counts, download counts etc.