Issues

• Follow-ups to #1008: argument handling in as_learner() for Graph and PipeOp'

  mlr-org/mlr3pipelines#1039 · Filter by author advieser opened on Sep 28, 2026

• $graph_model of a marshaled GraphLearner fails with an assertion on the state names

  mlr-org/mlr3pipelines#1038 · Filter by author advieser opened on Sep 27, 2026
  1

• PipeOpLearnerQuantiles / PipeOpLearnerPICVPlus report $predict_type as a vector, so a GraphLearner around them claims predict_type = "response"

  mlr-org/mlr3pipelines#1035 · Filter by author advieser opened on Sep 26, 2026
  1

  

• Remove deprecated pipeline_bagging()

  Type: Deprecation Reminder
  mlr-org/mlr3pipelines#1031 · Filter by author advieser opened on Sep 14, 2026

• as_learner.Graph should allow the $base_learner() to control the conversion

  mlr-org/mlr3pipelines#1022 · Filter by author sebffischer opened on Aug 22, 2026
  4

• Remove temporary diabetes task compatibility shim

  Type: Deprecation Reminder
  mlr-org/mlr3pipelines#1019 · Filter by author advieser opened on Aug 14, 2026

• Check if we are handling weights correctly

  mlr-org/mlr3pipelines#1011 · Filter by author mb706 opened on Jul 13, 2026

• handle extra data, quantiles in Prediction objects

  mlr-org/mlr3pipelines#1010 · Filter by author mb706 opened on Jul 13, 2026

• How correctly are we currently handling non-S3 'state'?

  mlr-org/mlr3pipelines#1009 · Filter by author mb706 opened on Jul 13, 2026
  1

  

• Remove phash deprecation warning

  Type: Deprecation Reminder
  mlr-org/mlr3pipelines#1005 · Filter by author advieser opened on Jun 15, 2026

• Remove deprecation warning in PipeOpNMF

  Type: Deprecation Reminder
  mlr-org/mlr3pipelines#1004 · Filter by author advieser opened on Jun 15, 2026

• Refactor stop(sprintf(...)) in check_types()

  mlr-org/mlr3pipelines#1002 · Filter by author advieser opened on Jun 10, 2026
  1

• FilterEnsemble task_types differs depending on package load order

  Priority: Low
  mlr-org/mlr3pipelines#994 · Filter by author mb706 opened on Apr 29, 2026

• predict_newdata_fast that is actually fast in GraphLearner

  mlr-org/mlr3pipelines#968 · Filter by author mb706 opened on Nov 10, 2025

• Error handling in stacked learner PipeOpLearnerCV

  mlr-org/mlr3pipelines#965 · Filter by author GeorBe opened on Nov 2, 2025
  4

• PipeOpIsomap $state carries training data around with it

  mlr-org/mlr3pipelines#947 · Filter by author mb706 opened on Aug 27, 2025

• POs that handle supervised tasks: do they handle derived tasks (RegrST etc) well?

  Status: Contrib (prepared)
  mlr-org/mlr3pipelines#913 · Filter by author mb706 opened on May 19, 2025
  3

  

• Autotest paramset 'default' values

  Priority: LowStatus: Contrib (unprepared)
  mlr-org/mlr3pipelines#909 · Filter by author mb706 opened on May 5, 2025

• Add PipeOpADAS2 based on themis::adasyn()

  Status: Contrib (unprepared)
  mlr-org/mlr3pipelines#902 · Filter by author mb706 opened on Mar 31, 2025
  1

• Suggestion for ID suggestion improvement

  Status: Contrib (unprepared)Status: Needs Design
  mlr-org/mlr3pipelines#889 · Filter by author sebffischer opened on Mar 21, 2025
  4

• GraphLearner should implement custom $configure() and Graph should also implement $configure()

  workshop
  mlr-org/mlr3pipelines#888 · Filter by author sebffischer opened on Mar 21, 2025
  2

• Maybe we want a new base class that works column-wise

  Status: Contrib (unprepared)Status: Needs Design
  mlr-org/mlr3pipelines#870 · Filter by author mb706 opened on Jan 28, 2025

• Allow multiple input/output types in as.data.table.DictionaryPipeOp

  mlr-org/mlr3pipelines#869 · Filter by author advieser opened on Jan 23, 2025
  2

• Timelimit for ensembles

  Status: Needs Design
  mlr-org/mlr3pipelines#857 · Filter by author mb706 opened on Dec 10, 2024

• How should we handle non-feature / non-target columns for PipeOps that generate new samples

  Status: Needs Discussion
  mlr-org/mlr3pipelines#825 · Filter by author mb706 opened on Sep 17, 2024
  1