2020-08-06 Alibaba Cloud. * version: 2.4.9 * BUGFIX: checkpoint doesn't work after restart. #403 * IMPROVE: mandatory set read concern to majority for change stream. #406 * BUGFIX: filter checkpoint.storage.db, not only mongoshake.

2020-08-07 14:35 update: MD5: c72dfa8a3c96f1ce1e0b37d467e92ea4

1. 解决重启后checkpoint不生效的问题
2. 对于change stream模式，强制设置read concern=majority
3. 修复bug：checkpoint db名不为mongoshake，则该db会被同步