Weekly Report - Week Ending May 30, 2026

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QuantEcon Activity Report

Report Period: 2026-05-23 to 2026-05-30

Summary

Repository	Current Issues	Opened Issues	Closed Issues	Opened PRs	Merged PRs	Releases	Commits
QuantEcon.py	56	0	0	1	0	0	0
GameTheory.jl	19	0	0	1	0	0	0
quantecon-book-theme	58	4	0	4	3	0	3
lecture-python.myst	51	10	6	4	4	1	4
lecture-python-advanced.myst	25	2	0	1	2	0	2
book-dp-public	0	0	0	1	0	0	0
lecture-python-intro	73	2	19	9	19	2	19
lecture-jax	28	2	1	1	1	0	1
quantecon-theme-src	3	0	0	2	0	0	0
action-style-guide	11	5	0	2	1	0	5
jlgametheory	0	0	0	0	0	0	1
lecture-dp	3	0	1	14	14	0	14
scipy_tutorial_2026	0	0	0	0	0	0	8
benchmark.translate-zh-cn	2	0	0	0	0	0	2
MatrixEquationsAD.jl	0	0	1	10	1	0	24
quantecon-book-theme-fixtures	0	0	0	0	0	0	2
audit.2026-05.style-guide	0	0	0	0	0	0	13
Total	363	25	28	50	45	3	98

Details

• Total Repositories with Activity: 17
• Total Current Open Issues: 363
• Total Issues Opened: 25
• Total Issues Closed: 28
• Total PRs Opened: 50
• Total PRs Merged: 45
• Total Releases: 3
• Total Commits: 98

Report generated on Sat May 30 09:41:50 UTC 2026 by QuantEcon Report Action

[github-actions]

QuantEcon Weekly Highlights

Period: 2026-05-23 to 2026-05-30

The period's heaviest activity fell on the lectures themselves, where the addition of a new Bayesian Methods introduction sat alongside a broad modernisation sweep — migrating multiple lectures to NumPy's random Generator API, refreshing JAX content, and tightening notation, figures, and code throughout. A v0.1.0 library release was completed and shipped with compatibility and cleanup work, while on the infrastructure side, visual regression testing was restructured into its own repository and split into independent CI jobs to improve reliability. Taken together, the period balanced new pedagogical content with meaningful technical debt reduction across both the codebase and the testing pipeline.

📦 Releases

Repository	Release	Date
lecture-python-intro	publish-may-30 (publish2026-may30)	May 29
lecture-python.myst	publish-may-29 (publish-2026may29)	May 29
lecture-python-intro	publish-2026may24	May 24

Lectures

Lectures received broad improvements including a new Bayesian Methods introduction, JAX updates, modernized NumPy random Generator API usage across multiple lectures, and editorial fixes spanning notation, figures, and code correctness.

• Improve figures in the Bayesian methods lecture (@jstac)
• Polish prob_meaning: plot styling, notation, flow (@jstac)
• Add Introduction to Bayesian Methods lecture (#751) (@jstac)
• [stats_examples.md] Update np.random → Generator API (@Chihiro2000GitHub)
• Fix assorted issues in prob_meaning lecture (@jstac)
• [time_series_with_matrices] Replace tilde A indirection with A^{-1} (@jstac)
• [inventory_dynamics] JAX update (@longye-tian)
• [schelling] Address editorial items from #419 (@jstac)
• [lln_clt.md] Update np.random → Generator API (@Chihiro2000GitHub)
• SYNC: add inventory_q.md from lecture-python.myst (@mmcky)
• SYNC: add rs_inventory_q.md from lecture-python.myst (@mmcky)
• SYNC: update un_insure.md from lecture-python-advanced.myst (@mmcky)
• Fix timing inconsistencies and code bugs (re-base of #587) (@jstac)
• Update made to Markov Chains: Basic Concepts lecture (@Jiarui-ZH)
• FIX: index fsolve result in un_insure r_error so brentq gets a scalar (@mmcky)
• FIX: resolve short_path cross-reference locally in os.md (@mmcky)
• FIX: resolve short_path cross-references locally in lqcontrol.md (@mmcky)
• SYNC: update opt_tax_recur.md from lecture-python-advanced.myst (@mmcky)
• SYNC: update calvo_machine_learn.md from lecture-python-advanced.myst (@mmcky)
• SYNC: update calvo_abreu.md from lecture-python-advanced.myst (@mmcky)
• SYNC: update calvo.md from lecture-python-advanced.myst (@mmcky)
• [monte_carlo] Fix numbering in European call option list (@Zhengyizhe0209-arch)
• SYNC: update amss3.md from lecture-python-advanced.myst (@mmcky)
• SYNC: update amss2.md from lecture-python-advanced.myst (@mmcky)
• SYNC: update amss.md from lecture-python-advanced.myst (@mmcky)
• SYNC: update lagrangian_lqdp.md from lecture-python.myst (@mmcky)
• [business_cycle] update made to the lecture (@bishmaybarik)
• Fix Celsius spelling in regression lecture (@Zhengyizhe0209-arch)
• Clarify scipy linprog transformation description (@Zhengyizhe0209-arch)
• [schelling.md] Update np.random → Generator API (@Chihiro2000GitHub)
• [olg] Address editorial suggestions from #506 (@jstac)
• FIX: index fsolve result in un_insure r_error so brentq gets a scalar (@mmcky)
• [monte_carlo.md] Update np.random → Generator API (@Chihiro2000GitHub)
• Fix link checker accepted status codes and base URL (@Zhengyizhe0209-arch)
• [heavy_tails.md] Update np.random → Generator API (@Chihiro2000GitHub)
• [networks] Grammar and Spelling (@Zhengyizhe0209-arch)
• Adding Tom's Edits to Exercises (@HumphreyYang)
• [time_series_with_matrices.md] Update np.random → Generator API (@Chihiro2000GitHub)
• [solow.md] Update np.random → Generator API (@Chihiro2000GitHub)

Libraries

Completed the v0.1.0 release of a library, incorporating compatibility polish, codebase cleanup, and dependency updates from Dependabot.

• v0.1.0 release prep: cleanup + compat polish + absorb dependabot PRs (@jlperla)

Tooling

Visual regression tests were migrated to the quantecon-book-theme-fixtures repo and split into independent CI jobs, alongside priority reliability and correctness fixes.

• ci: split visual + preview into independent jobs (@mmcky)
• Migrate visual regression tests to quantecon-book-theme-fixtures (@mmcky)
• ci: switch update-snapshots workflow to fixtures repo (prep for #390) (@mmcky)
• Reliability and correctness fixes from TECHNICAL-REVIEW (P0/P1) (@mmcky)

Maintenance & Dependencies

1 rolled-up PRs — 1 dependencies, 1 conda, across 1 repos.

Show list

• ⬆️ Bump sphinx-togglebutton from 0.4.4 to 0.4.5 [dependencies, conda] (@dependabot[bot])

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thanks @bishmaybarik, @Chihiro2000GitHub, @HumphreyYang, @Jiarui-ZH, @jlperla, @jstac, @longye-tian, @mmcky, and @Zhengyizhe0209-arch for all your contributions.