InterSystems Open Exchange Applications Digest, December 2025

• Support for List and File data types
• Little documentation improvements for usage
• Next release: some toy API server implementation for better usage demonstration

• Demo with tutorial
• Added parameter for define package of generated files
• General fixes

• VS Code extension

[4.1.2] - 2025-12-02

Fixed

• #75: Avoid infinite loop when first class in alphabetical order has a [ Language = python ] method

December 2025 Modernization

What's New

• Official IRIS image
  : Switched to containers.intersystems.com/intersystems/iris-community:latest-em (valid license, supports up to 20 cores)
• Multi-architecture
  : ARM64 (Apple Silicon) and AMD64 (Intel) support
• DB-API driver
  : Replaced JDBC/PyODBC with native intersystems-irispython driver
• TensorFlow 2.16.1
  : Updated from 2.2.0
• GitHub Actions CI/CD
  : Automated Docker build testing
• Docker/Podman support
  : Works with either container runtime

Breaking Changes

• Folder renamed: tf2-jupyter-jdbc → tf2-jupyter
• Notebooks renamed (removed -jdbc/-PyODBC suffixes)
• Connection code changed from JDBC to DB-API pattern

Removed

• JDBC driver (intersystems-jdbc-3.1.0.jar)
• ODBC driver and config files

Fixed

• IRIS "core limit exceeded" error (expired Docker Hub images)
• Port documentation (1972, not 51773)
• Updated architecture diagram

IPython deprecation warning: Updated imports from IPython.core.display to IPython.display
VALIDATE MODEL pivot error: Added drop_duplicates() to handle duplicate metric entries before pivot
ED_visit_90_day.ipynb: Completely rewritten with UCI Diabetes 130-US Hospitals dataset (~92k records)
IRIS SQL reserved word: Changed Count alias to RecCount in SQL queries
AutoML matplotlib dependency: Added matplotlib to IRIS Dockerfile for visualization

Added diabetic_readmission.csv (UCI Diabetes 130-US Hospitals dataset) for ED_visit notebook

campaign-integratedml.ipynb ✓
readmission-integratedml.ipynb ✓
biomedical-integratedml.ipynb ✓
ED_visit_90_day.ipynb ✓