11. Release notes

MetaDefender Core v4.16.3

Release Date: 16 Oct 2019

This is a maintenance release primarily focused on bug fixes

New features / Behavior changes


Support new header (metadata) for file submission API

Metadata could be utilized for:

  • Additional parameter for pre-defined post actions and external scanners.

  • Watermarking text (Proactive DLP engine feature).

  • Context / verbose information for file submission.

Enhance MetaDefender Core service starting procedure

MetaDefender Core service should be started much faster.

Enhance engine update procedure

Support custom engines to load new database properly.

Remove restriction on Core version retrieval REST API

GET /version endpoint no longer needs API key to retrieve Core version.

Bug fixes

MetaDefender Core service on Linux could not be started when running on FIPS mode

When FIPS mode enabled on Linux, Core service crashed repeatedly when attempting to start itself.

MetaDefender Core service could be unexpectedly restarted when engines repeatedly crashed

Engine crashed repeatedly itself might cause Core service stopped unexpectedly.

Uninstalling MetaDefender Core did not terminate its processes properly (nginx)

Nginx process might not be killed properly when uninstalling MetaDefender Core.

Password protected document could not be decrypted properly for data sanitization

Password protected document failed to decrypt even with correct password for sanitization.

Uninstalling MetaDefender Core did not clean up its leftover data folder

Some leftover files and folders might still persist when uninstalled MetaDefender Core.