v3.0.0

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Format project using Air

Status: Draft (not ready).

stan-dev/loonumber 291

#291 In stan-dev/loo;

· VisruthSK opened on Jun 12, 2025

Adding pred_measure feature

Status: Draft (not ready).

stan-dev/loonumber 363

#363 In stan-dev/loo;

· florence-bockting opened on Jun 2, 2026

Improve warnings and messages behavior

Status: Open.

#353 In stan-dev/loo;

· avehtari opened on Apr 9, 2026

New functions for better support for different scores and metrics

Status: Open.

#281 In stan-dev/loo;

· avehtari opened on Feb 1, 2025

Parallelisation of loo using Mirai

Status: Open.

#308 In stan-dev/loo;

· VisruthSK opened on Oct 21, 2025

Use more functions from the posterior package

Status: Open.

#249 In stan-dev/loo;

· avehtari opened on Feb 27, 2024

Prepare loo version 3.0.0

Status: Draft (not ready).

stan-dev/loonumber 379

#379 In stan-dev/loo;

· florence-bockting opened on Jul 1, 2026

LLM code optimizations

Status: Open.

#384 In stan-dev/loo;

· VisruthSK opened on Jul 23, 2026

Mutation testing

Status: Open.

#385 In stan-dev/loo;

· VisruthSK opened on Jul 23, 2026

Change n_eff to ESS

Status: Open.

#192 In stan-dev/loo;

· avehtari opened on Dec 2, 2021

Clean up issues

Status: Open.

#388 In stan-dev/loo;

· VisruthSK opened on Jul 24, 2026

Extend loo_plot_difference

Status: Open.

#394 In stan-dev/loo;

· VisruthSK opened on Sep 9, 2026

Introduce model_compare() for model comparison with support of new predictive measures

Status: Open (in progress).

stan-dev/loonumber 380

#380 In stan-dev/loo;

· florence-bockting opened on Jul 7, 2026

Add case-study vignette for new model_compare function

documentation

Status: Open.

#401 In stan-dev/loo;

· florence-bockting opened on Sep 28, 2026

Developer notes for release v3.0.0 preparation

developer notes

Status: Draft (not ready).

stan-dev/loonumber 402

#402 In stan-dev/loo;

· florence-bockting opened on Sep 29, 2026