Compatibility among TigerGraph 4 versions

This page lists the discontinued features or other incompatible changes from one TigerGraph 4.x version to another TigerGraph 4.x version.

The list does not include bug fixes where a feature was not working correctly before and now is working according to the specification. Those issues are listed on the Release Notes page.

TigerGraph Compatibility changes from 4.1 to 4.2

Version Description Recommendation

4.2.0

File Input and File Output Policy changes require restarting gsql and restpp servers.

Restart gsql and restpp with gadmin restart gsql restpp -y after policy updates.

4.2.0

The --incremental backup option now performs true incremental backups.

Plan backup and restore processes accordingly.

4.2.0

In CDC messages, the format of tuple values has changed.

Update your applications that consume CDC messages to handle the new format for tuple values.

4.2.0

SelectVertex() no longer allows relative filepaths.

Use absolute filepaths in SelectVertex() calls.

4.2.0

The --meta option for backup is no longer needed because metadata is included automatically.

Remove the --meta option from your gadmin backup commands

4.2.0

External Kafka streaming connector (3.6 to 3.9.2) is no longer supported.

Switch to supported Kafka connectors or newer versions.