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Improve Recursive Dynamic Mode

discussDiscussion, design, and planningDiscussion, design, and planning

gamsRelated to the GAMS core formulationRelated to the GAMS core formulation

Status: Open.

#1016 In iiasa/message_ix;

· Wegatriespython opened on May 27, 2026

Address CI errors with R 4.6.0

ciContinuous integrationContinuous integration

RInterface to message_ix thru R 'reticulate'Interface to message_ix thru R 'reticulate'

Status: Open.

#1011 In iiasa/message_ix;

· khaeru opened on Apr 27, 2026

Bump docs requirements prior to 3.12 release

docsDocumentationDocumentation

Status: Open.

Task

#1005 In iiasa/message_ix;

· khaeru opened on Mar 27, 2026

·  

3.12

scenario.solve() error in 3.11.1 version

awaiting infoNeeds more information from the issuer to continueNeeds more information from the issuer to continue

Status: Open.

#1000 In iiasa/message_ix;

· cheolhung opened on Jan 27, 2026

Add convenience function for defining expected Regions and Units on ixmp4 Platforms

enhNew features & functionalityNew features & functionality

Status: Open.

#994 In iiasa/message_ix;

· glatterf42 opened on Dec 10, 2025

Add Constant Elasticity Substitution to Bin translation layer

enhNew features & functionalityNew features & functionality

Status: Open.

Feature

#984 In iiasa/message_ix;

· Wegatriespython opened on Oct 22, 2025

Collective Issue for Time-Slice Implementation

timeslice

Status: Open.

#979 In iiasa/message_ix;

· Wegatriespython opened on Oct 8, 2025

Investigate PRICE_COMMODITY spikes with non-uniform duration_period

Status: Open.

Bug

#973 In iiasa/message_ix;

· Wegatriespython opened on Aug 21, 2025

levelized_cost parameter is empty

Status: Open.

#971 In iiasa/message_ix;

· Tyler-lc opened on Aug 18, 2025

Address nightly CI failures with cap-comm changes

bugDoesn't work as advertised/unintended effectsDoesn't work as advertised/unintended effects

cap-commCAP-related COMModity flows (‘materials’)CAP-related COMModity flows (‘materials’)

ciContinuous integrationContinuous integration

Status: Open.

Bug

#969 In iiasa/message_ix;

· khaeru opened on Aug 13, 2025

Align with Dantzig's (1963) original transport problem

discussDiscussion, design, and planningDiscussion, design, and planning

Status: Open.

#968 In iiasa/message_ix;

· khaeru opened on Aug 12, 2025

lp_diag parsing error

bugDoesn't work as advertised/unintended effectsDoesn't work as advertised/unintended effects

Status: Open.

Bug

#945 In iiasa/message_ix;

· Wegatriespython opened on May 30, 2025

·  

3.12