TRAC D.A.P. 0.4.8

TRAC D.A.P. 0.4.8 adds a few small but helpful fixes to 0.4.7.

• Fixes in the service control scripts to make them work on RHEL
• Handling of proxied rHTTP redirect responses in the gateway
• Improved error reporting for failed jobs, including a new trac_job_error_message attribute

Version 0.4.8 is metadata-compatible with versions 0.4.0 through 0.4.7.

TRAC D.A.P. 0.4.7

TRAC D.A.P 0.4.7 includes several updates to the model runtime, as well as some minor fixes.

• Embedded API, use the TRAC runtime engine as a library to build your own executor
• Run multiple jobs in a single batch
• Query or wait for individual job statuses
• Support relative imports when loading external models
• Improved error reporting in the runtime engine
• Fix for the platform service control scripts on Linux / macOS

Version 0.4.7 is metadata-compatible with versions 0.4.0 through 0.4.6.

TRAC D.A.P. 0.4.6

Starting with TRAC D.A.P. 0.4.6, binary distributions of the platform components are available with each release on the GitHub release page. The tracdap-platform package includes distributions of all the service components and supporting tools, suitable for enterprise deployment using containers or physical or virtual hardware. The tracdap-sandbox package includes all the services and tools in a single distribution, for easy setup in development, testing or demo situations.

For more information on deploying the platform, refer to our deployment documentation.

Version 0.4.6 is metadata-compatible with versions 0.4.0 through 0.4.5.

TRAC D.A.P. 0.4.5

TRAC D.A.P. 0.4.5 adds minor fixes and updates for the model runtime:

• Improved null handling in dev mode using the lenient CSV parser
• Performance fix for loading very wide datasets
• Update Apache Arrow to version 9

Version 0.4.5 is metadata-compatible with versions 0.4.0 through 0.4.4.

TRAC D.A.P. 0.4.4

TRAC D.A.P. 0.4.4 adds a few small but helpful featuress to the 0.4 release series:

• use_temporal_objects - flag available in the runtime API, to request temporal fields as Python objects instead of NumPy datetime64 type
• csv.date_format / csv.datetime_format - storage options to allow reading / writing CSV data with non-ISO date/time formats
• Additional validation on the model runtime API
• Fix path translation in the gateway for HTTP routes
• Update web API to use Protobuf JS version 7
• Documentation updates

Version 0.4.4 is metadata-compatible with versions 0.4.0 through 0.4.3.

TRAC D.A.P. 0.4.3

Starting with TRAC D.A.P. 0.4.3, platform JARs are available in Maven Central including JARs for the platform services as well as libraries needed for building back-end plugins. The following features and fixes are also added since 0.4.2:

• Define data schemas using CSV files in the model repository (these can be used for model input/output schemas)
• Model loading now supports nested package structures and resources across multiple model versions (improved shim loader mechanism)
• Controlled tags for timestamp and user name/ID are added to every object
• Improved filesystem handling for local execution, with options to save temp files for debugging
• Fix filesystem permissions issues using the TRAC runtime on Windows, due to recent Windows updates
• Fix handling of Git checkout conflicts

Version 0.4.3 is metadata-compatible with versions 0.4.0 through 0.4.2.

TRAC D.A.P. 0.4.2

TRAC D.A.P. 0.4.2 adds data conformance for primary model data and a preview of the run flow capability.

Version 0.4.2 is metadata-compatible with versions 0.4.1 and 0.4.0.

TRAC D.A.P. 0.4.1

TRAC D.A.P. 0.4.1 adds full validation of metadata and platform APIs.

Version 0.4.1 is metadata-compatible with version 0.4.0.

TRAC D.A.P. 0.4.0

TRAC D.A.P. 0.4.0 sees TRAC become officially part of the FINOS foundation! Everyone involved in TRAC is delighted by this move and we look forward to working as part of the FINOS community.

For version 0.4.0, documenation and packages for TRAC D.A.P. have moved to new locations:

• Documentation: https://tracdap.finos.org/
• Model runtime for Python: https://pypi.org/project/tracdap-runtime/
• Web API: https://www.npmjs.com/package/@finos/tracdap-web-api

TRAC D.A.P. 0.4.0 also includes a preview of the orchestration capability, as well as several minor fixes and enhancements.

The 0.4 release series is not metadata-compatible with the 0.3 series.

TRAC 0.4.0 beta 1

Release series 0.4 signals the move of TRAC D.A.P. into the FINOS foundation. This beta release is to test the packaging and publishing automation ahead of release 0.4.0.