Issues

• Emit a versioned JSON manifest of the resolved run plan for external tools

  ActivitySim/activitysim#1120 · Filter by author jpn-- opened on Sep 23, 2026

• Multiprocessing treats --ext filesystem paths as module names, breaking nested and absolute extension paths

  ActivitySim/activitysim#1118 · Filter by author jpn-- opened on Sep 23, 2026
  

• Python 3.10 is near end of life

  ActivitySim/activitysim#1117 · Filter by author janzill opened on Sep 22, 2026

• Float32 utility overflow with allow_zero_probs in Sharrow trip destination

  ActivitySim/activitysim#1115 · Filter by author waddell opened on Sep 21, 2026
  2

• Zarr/OMX skim precedence changes with Sharrow shared-memory loading

  Bug
  ActivitySim/activitysim#1108 · Filter by author zneedell opened on Aug 31, 2026

• Add tracing regression coverage for automatic chooser-column pruning

  Feature
  ActivitySim/activitysim#1105 · Filter by author jpn-- opened on Aug 13, 2026

• Incorrect origin TAZ for non-home tours in 2 zone models

  Bug
  ActivitySim/activitysim#1099 · Filter by author jpn-- opened on Aug 4, 2026
  1

• Sampled destination-choice log sums are biased under example destination choice specifications

  Bug
  ActivitySim/activitysim#1097 · Filter by author janzill opened on Jul 31, 2026

• Remaining EET inconsistencies

  ActivitySim/activitysim#1096 · Filter by author janzill opened on Jul 31, 2026
  2

• Multiprocess pipeline artifacts should be written under a single pipeline output folder

  Feature
  ActivitySim/activitysim#1092 · Filter by author dhensle opened on Jul 20, 2026

• Support for Home-Based Business Tours

  Feature
  ActivitySim/activitysim#1091 · Filter by author amsamimi opened on Jul 19, 2026
  8

• Spatial and Temporal Feasibility Validation for Activity Schedules and Destination Choices

  Feature
  ActivitySim/activitysim#1090 · Filter by author amsamimi opened on Jul 19, 2026
  2

• Simulation-based shadow pricing can silently use wrong workplace segmentation, causing no resimulation or wrong-person resimulation

  Bug
  ActivitySim/activitysim#1082 · Filter by author i-am-sijia opened on Jun 16, 2026
  3

• Add option to decode zone_id mappings sharrow adds for columns with NA values

  Feature
  ActivitySim/activitysim#1080 · Filter by author dhensle opened on Jun 13, 2026

• Standardize locals_dict contract across ABM components (shared helper functions like person_max_window)

  Feature
  ActivitySim/activitysim#1079 · Filter by author i-am-sijia opened on Jun 9, 2026

• Performance Test Subarea Model

  Feature
  ActivitySim/activitysim#1078 · Filter by author jpn-- opened on Jun 4, 2026
  2

• Expression evaluation fails for numeric and boolean literals in model spec Expression column

  Bug
  ActivitySim/activitysim#1076 · Filter by author i-am-sijia opened on May 28, 2026

• Sharrow Memory Usage

  ActivitySim/activitysim#1053 · Filter by author jpn-- opened on Mar 12, 2026
  4

• ActivitySim Testing Plan

  ActivitySim/activitysim#1038 · Filter by author jpn-- opened on Feb 18, 2026

• joint_tour_frequency fails with KeyError 'survey_tour_id' when running synthetic population

  Bug
  ActivitySim/activitysim#1037 · Filter by author raffapezz-spec opened on Feb 17, 2026

• Skim loading fails running with sharrow when unused skims are included

  Bug
  ActivitySim/activitysim#1035 · Filter by author dhensle opened on Feb 13, 2026

• using skims with find_nearest_accessibility_zone is a bottleneck when working with large number of MAZs

  Bug
  ActivitySim/activitysim#1030 · Filter by author bricegnichols opened on Jan 27, 2026
  3

• Estimation fails on new expressions with an df is not defined error

  Bug
  ActivitySim/activitysim#1024 · Filter by author i-am-sijia opened on Dec 1, 2025
  2

  

• More consistent treatment of accessibilities desired

  Feature
  ActivitySim/activitysim#1020 · Filter by author jfdman opened on Nov 16, 2025

• Update components index in documentation with telecommute status model

  ChoreDocs
  ActivitySim/activitysim#1013 · Filter by author bhargavasana opened on Nov 6, 2025