v1.6.4: Release notes

OpenCRVS 1.6.4 is a hotfix release that introduces minor improvements and bug fixes based on the identified needs of countries using OpenCRVS.

Bug fixes

• Fix migration issue discovered when restoring an OpenCRVS instance with a large number of records. $push used too much memory and cannot spill to disk. Memory limit: 104857600 bytes (#9116)