Issues

• OpenSTEF support for T0-beta foundation model

  enhancement
  Feature

  OpenSTEF/openstef#1131 · Filter by author rikveenboer opened on Oct 7, 2026

• Create a documentation page/example showing how to implement a custom forecaster

  enhancement
  Feature

  OpenSTEF/openstef#1128 · Filter by author egordm opened on Oct 6, 2026

• Stacked-area plot for ensemble model contributions

  enhancementOpenSTEF 4.0
  Feature

  OpenSTEF/openstef#999 · Filter by author egordm opened on Jun 23, 2026
  

• Vulnerability gate check in PRs

  OpenSTEF/openstef#969 · Filter by author bartpleiter opened on Jun 16, 2026
  1

• [OpenSTEF 4.0] Add learning curve visualization

  OpenSTEF 4.0
  OpenSTEF/openstef#947 · Filter by author MentReeze opened on Jun 5, 2026

• [OpenSTEF 4.0] Fix API reference completeness and structure

  OpenSTEF 4.0
  OpenSTEF/openstef#887 · Filter by author egordm opened on May 15, 2026

• [OpenSTEF 4.0] Inconsistent behavior of forecasters in v4

  OpenSTEF/openstef#881 · Filter by author don-alejandrino opened on May 12, 2026
  5

• [OpenSTEF 4.0] Potential Dependency Conflicts with Managed Container Runtimes (Databricks, Microsoft Fabric)

  OpenSTEF 4.0
  Task

  OpenSTEF/openstef#854 · Filter by author MaxPolakStedin opened on Apr 9, 2026
  1

• [OpenSTEF 4.0] Periodic hyperparameter retuning in the backtesting baseline

  OpenSTEF 4.0
  Feature

  OpenSTEF/openstef#852 · Filter by author egordm opened on Mar 27, 2026

• [OpenSTEF 4.0] Fully support multihorizon forecasting

  OpenSTEF 4.0
  OpenSTEF/openstef#848 · Filter by author egordm opened on Mar 26, 2026

• [OpenSTEF 4.0] Add visualization to plot metrics vs hour of day

  OpenSTEF 4.0
  OpenSTEF/openstef#847 · Filter by author lschilders opened on Mar 26, 2026

• [OpenSTEF 4.0] Add spatial performance plots

  OpenSTEF 4.0
  OpenSTEF/openstef#846 · Filter by author lschilders opened on Mar 26, 2026

• [OpenSTEF 4.0] Add lead_time/available_at aggregation level

  OpenSTEF 4.0
  OpenSTEF/openstef#845 · Filter by author lschilders opened on Mar 26, 2026

• [OpenSTEF 4.0] Add support for lazy plotting

  OpenSTEF 4.0
  OpenSTEF/openstef#844 · Filter by author egordm opened on Mar 26, 2026

• [OpenSTEF 4.0] Add visualization to plot metrics for multiple quantiles in 1 plot

  OpenSTEF 4.0
  OpenSTEF/openstef#843 · Filter by author lschilders opened on Mar 26, 2026

• [OpenSTEF 4.0] Add stability metric rMAD

  OpenSTEF 4.0
  OpenSTEF/openstef#842 · Filter by author lschilders opened on Mar 26, 2026
  1

• Remove stall branches

  OpenSTEF/openstef#815 · Filter by author Jonasvdbo opened on Feb 20, 2026

• [OpenSTEF 4.0] Measurement anomaly detection and filtering (optional data cleaning transform)

  OpenSTEF 4.0to refine
  Feature

  OpenSTEF/openstef#809 · Filter by author egordm opened on Feb 10, 2026

• [OpenSTEF 4.0] Memory profiling and efficiency improvements

  fixOpenSTEF 4.0
  OpenSTEF/openstef#796 · Filter by author MvLieshout opened on Dec 19, 2025

• [OpenSTEF 4.0] Conformalized Quantile Calibration

  enhancementOpenSTEF 4.0to refine
  Feature

  OpenSTEF/openstef#791 · Filter by author egordm opened on Dec 19, 2025

• model_selection.split_data_train_validation_test: Test set starts one point too early

  fix
  OpenSTEF/openstef#774 · Filter by author don-alejandrino opened on Dec 2, 2025
  2

  

• [OpenSTEF 4.0] Add school holiday feature

  localizationOpenSTEF 4.0to refine
  Feature

  OpenSTEF/openstef#756 · Filter by author bartpleiter opened on Nov 19, 2025
  1

• [OpenSTEF 4.0]: Make MetaForecasters Explainable

  OpenSTEF/openstef#745 · Filter by author Lars800 opened on Nov 12, 2025

• [OpenSTEF 4.0] Create OpenSTEF Forecaster -> SKlearn Adapter

  OpenSTEF 4.0to refine
  OpenSTEF/openstef#742 · Filter by author egordm opened on Nov 10, 2025

• [OpenSTEF 4.0] Merge BacktestConfig and BacktestForecasterConfig into one config

  choreOpenSTEF 4.0
  Feature

  OpenSTEF/openstef#738 · Filter by author MvLieshout opened on Nov 4, 2025