Release Details

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Details for ET_2026_05

Release team

  • Steve, release manager
  • Beyhan, co-chair
  • Roland, co-co-chair
  • Maxwell Rizzo, release manager emeritus
  • the release date will be Jun 01 2026
  • the code name for the release will be Hypatia


  • Clusters and testers:
Cluster Tester
Deep Bayou Steve Brandt
Delta Cheng-Hsin
Sunrise Peter Diener
Anvil Maxwell Rizzo
Expanse  ?
Frontera  ?
SuperMUC N/A
SuperMIKE Steve Brandt
QueenBee Steve Brandt
QueenBeeC Steve Brandt
QueenBeeD Steve Brandt
Stampede Deborah

Jan 22: 

   Add call for new features to the website
   These  are the things to be included as of now
   - LSU: Cottonmouth
   - UIUC: CanudaX
   - Idaho: Bhahaha

Mar 1: Step 3 

   Choose features, update master thornlist this month
   Find reviewers for features
   Decide on release-critical compute systems
   Regenerate auto-generated thorns for the first time

Apr 1: Step 5: Start testing 

   Release-critical testing

May 1: Step 6: Release Prep 

   Feature Freeze
   Create Zenodo item
   Draft Release Announcement
   Contact contributors and release team about inclusion

Jun 1: Release

Details for ET_2025_05

Release team

  • Maxwell Rizzo, release manager
  • Roland Haas, release co-manager
  • Steven R. Brandt, release manager emeritus
  • The codename for the ET_2025_05 will be Martin D. Kruskal
  • the release date will be May 29 2025
  • Clusters and testers:
Cluster Tester
Deep Bayou Steve Brandt
Delta Roland Haas
Sunrise Peter Diener
Anvil Maxwell Rizzo
Expanse Roland Haas
Frontera Johnny Tsao
SuperMUC N/A
SuperMIKE Steve Brandt
QueenBee Steve Brandt
QueenBeeC Steve Brandt
QueenBeeD Steve Brandt
  • Gallery examples:
Gallery Example Volunteer
BNS Leo Werneck
BBH Zach Etienne
TOV Johnny Tsao
Scalar Wave Lucas Sanches
Poisson Equation Steve Brandt
Black-hole hair in axi-dilaton gravity Deborah Ferguson

Proposed Inclusions

  • Inclusions for this release (champion, reviewer):
    • Z4c (Erik/Roland, Steve/Peter)
    • BHaHAHA (Zach, Peter)
    • CCE_Export [Spectre] (Deborah, Lucas)
    • FLRWSolver (Hayley, Zach)
  • Gallery Examples:
    • New axi-dilaton gallery example (already reviewed)

Schedule

  • 2025-01-23 (-18wk): propose functionality to include
  • 2025-02-13 (-15wk): choose features which are going to be included
    • ask for review volunteers, assign tasks to people
    • create tickets for each proposed item tickets repo
    • decide on a list of release-critical compute systems
  • 2025-03-20 (-10wk): all codes proposed for inclusion in master branch (still under review)
  • 2025-04-17 (-6wk): all codes proposed for inclusion have finished review
  • 2025-04-17 (-6wk): regenerate Kranc and NRPy+ codes
  • 2025-04-17 (-6wk): start testing
    • gallery examples
    • test simfactory on clusters
    • test in docker images / VM for "common" OS
  • 2025-04-24 (-5wk): decide on name
  • 2025-05-01 (-4wk): feature freeze: no new features allowed anymore, extensive testing begins
  • 2025-05-01 (-4wk): create first draft of the release notes as an md file
    • Identify contributors to the release
    • Identify the release team
    • Identify major changes to call out in the release notes.
  • 2025-05-01 (-4wk): announce date publicly
  • 2025-05-15 (-2wk): draft release announcement
  • 2025-05-22 (-1wk): testing done
  • 2025-05-22 (-1wk): hard freeze, no more changes at all
  • 2025-05-22 (-1wk): make branches, prepare updates for websites, test-send announcement (to maintainers@einsteintoolkit.org)
  • 2025-05-29: release date

Details for ET_2024_11

Release team

  • Roland Haas, release manager
  • Maxwell Rizzo, release co-manager
  • Steven R. Brandt, release manager emeritus
  • The codename for the ET_2024_11 will be Annie Jump Cannon
  • Clusters and testers:
Cluster Tester
Deep Bayou Steve Brandt
Delta Roland Haas
Sunrise Peter Diener
Anvil Maxwell Rizzo
Expanse Roland Haas
Frontera Johnny Tsao
SuperMUC N/A
SuperMIKE Steve Brandt
QueenBee Steve Brandt
QueenBeeC Steve Brandt
QueenBeeD Steve Brandt
  • Gallery examples:
Gallery Example Volunteer
BNS Maxwell
BBH Peter
TOV David
Scalar Wave Domenica
Poisson Equation Lucas

Proposed Inclusions

  • Inclusions for this release (champion, reviewer):
    • TOVola (David, Maxwell)
    • Z4c (Erik, Steve) missing test cases

Schedule

  • 2024-08-02 (-18wk): propose functionality to include
  • 2024-08-23 (-15wk): choose features which are going to be included
    • ask for review volunteers, assign tasks to people
    • create tickets for each proposed item tickets repo
    • decide on a list of release-critical compute systems
  • 2024-09-27 (-10wk): all codes proposed for inclusion in master branch (still under review)
  • 2024-10-18 (-6wk): all codes proposed for inclusion have finished review
  • 2024-10-18 (-6wk): regenerate Kranc and NRPy+ codes
  • 2024-10-18 (-6wk): start testing
    • gallery examples
    • test simfactory on clusters
    • test in docker images / VM for "common" OS
  • 2024-10-25 (-5wk): decide on name
  • 2024-11-01 (-4wk): feature freeze: no new features allowed anymore, extensive testing begins
  • 2024-11-01 (-4wk): create first draft of the release notes as an md file
    • Identify contributors to the release
    • Identify the release team
    • Identify major changes to call out in the release notes.
  • 2024-11-01 (-4wk): announce date publicly
  • 2024-11-15 (-2wk): draft release announcement
  • 2024-11-22 (-1wk): testing done
  • 2024-11-22 (-1wk): hard freeze, no more changes at all
  • 2024-11-22 (-1wk): make branches, prepare updates for websites, test-send announcement (to maintainers@einsteintoolkit.org)
  • 2024-11-29: release date

Release names

Tools/Links

  • Testsuite status page
  • Instructions for running the tests using SimFactory: Testsuite Machines
  • Release announcements: wiki sandbox
  • See list in Release Process
  • Testing is performed on the latest version of common operating systems, for example Debian, Ubuntu, Fedora, Scientific Linux, Mac OS etc. People often want to build the ET on their laptop or workstation. Instructions for which packages etc are needed can be found in the respective Simfactory option list. This information could also be provided on the Cactus website.

Release Plan

Test status is on Release coordination page.

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