Stable release v6.1.0

[bgallois]

FastTrack version 6.1.0 comes with major modifications:

• FastTrack now uses an SQLite database to store tracking data and parameters for Interactive and Replay functionalities. Batch and Cli tracking still use a config.toml file to input tracking parameters.
• Output data can be retrieved directly from the SQLite tracking.db file.
• Major improvement in RAM consumption.
• Performance improvement on the Replay for a large number of objects.

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This discussion was created from the release Stable release v6.1.0.