# Releases

```{list-table}
:header-rows: 1
:stub-columns: 2
:class: small-font-table

* - Pipeline Version
  - CASA Version
  - Operation/Description
  - Documentation
  - Use in Operation
  - Download

* - 2026.1.0.4
  - 6.7.1-13-gpu
  - - VLASS/2026: enable new CASA gridders (awp2, awphpg)
  -
  - - 2026-04 (in validation)
  -

* - 2025.1.0.36
  - 6.6.6-18
  - - ALMA/Cycle-12
    - VLA/PL2025
  - - [ALMA Pipeline Users Guide](https://almascience.org/processing/documents-and-tools/cycle12/alma_pipeline_users_guide_2025)
    - [ALMA PL2025 known issues](https://casaguides.nrao.edu/index.php/ALMA_Pipeline_Known_Issues#PL2025)
    - VLA [Calibration](https://science.nrao.edu/facilities/vla/data-processing/pipeline/cipl_666) and [Imaging](https://science.nrao.edu/facilities/vla/data-processing/pipeline/VIPL) Pipeline
    - [Task Ref. Manual](https://almascience.nrao.edu/processing/reference-manual-2025.pdf)
  - - 2025-10
  - - [casa-6.6.6-18-pipeline-2025.1.0.36-py3.10.el8.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2024.1.1.22
  - 6.6.1-17
  - - SRDP/PL2025-March: mosaic-selfcal
    - VLA/PL2025-March: VLA imaging improvements
  - - VLA [Calibration](https://science.nrao.edu/facilities/vla/data-processing/pipeline) and [Imaging](https://science.nrao.edu/facilities/vla/data-processing/pipeline/VIPL) Pipeline
    - [Task Ref. Manual](https://almascience.nrao.edu/processing/reference-manual-2024.pdf)
  - - 2025-03
  - - [casa-6.6.1-17-pipeline-2024.1.1.22-py3.8.el8.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2024.1.0.8
  - 6.6.1-17
  - - ALMA/Cycle-11
    - VLA/PL2024
  - - [ALMA Pipeline Users Guide](https://almascience.nrao.edu/processing/alma_pipeline_user_s_guide_for_release_2024-1.pdf)
    - [ALMA PL2024 known issues](https://casaguides.nrao.edu/index.php/ALMA_Pipeline_Known_Issues#PL2024)
    - VLA [Calibration](https://science.nrao.edu/facilities/vla/data-processing/pipeline/CIPL_661) and [Imaging](https://science.nrao.edu/facilities/vla/data-processing/pipeline/VIPL) Pipeline
    - [Task Ref. Manual](https://almascience.nrao.edu/processing/reference-manual-2024.pdf)
  - - 2024-10
  - - [casa-6.6.1-17-pipeline-2024.1.0.8-py3.8.el8.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)
    - [casa-6.6.1.17-pipeline-2024.1.0.8-12.0-py38.dmg](https://casa.nrao.edu/download/distro/casa-pipeline/release/osx12)

* - 2023.1.1.8
  - 6.5.4-9
  - - VLASS/PL2023: VLASS cube-plane rejection
  -
  - - 2024-02
  - - [casa-6.5.4-9-pipeline-2023.1.1.8-py3.8.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2023.1.0.125
  - 6.5.4-9
  - - SRDP/PL2023: patch for the calibration restoration
  -
  - - 2024-02
  - - [casa-6.5.4-9-pipeline-2023.1.0.125-py3.8.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2023.1.0.124
  - 6.5.4-9
  - - ALMA/Cycle-10
    - VLA/2023
  - - [ALMA Pipeline Users Guide](https://almascience.nrao.edu/documents-and-tools/cycle10/alma_pipeline_users_guide_2023)
    - [ALMA PL2023 known issues](https://casaguides.nrao.edu/index.php?title=ALMA_Pipeline_Known_Issues#PL2023)
    - VLA [Calibration](https://science.nrao.edu/facilities/vla/data-processing/pipeline/CIPL_612) and [Imaging](https://science.nrao.edu/facilities/vla/data-processing/pipeline/VIPL_612) Pipeline
    - [Task Ref. Manual](https://almascience.nrao.edu/documents-and-tools/cycle10/Ref.-manual-2023)
  - - 2023-10
  - - [casa-6.5.4-9-pipeline-2023.1.0.124-py3.8.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)
    - [casa-6.5.4.9-pipeline-2023.1.0.124-11.0-py38.dmg](https://casa.nrao.edu/download/distro/casa-pipeline/release/osx11)

* - 2023.0.0.36
  - 6.5.3-28
  - - SRDP/PL2023-mid: selfcal
  -
  - - 2023-10
  - - [casa-6.5.3-28-pipeline-2023.0.0.36-py3.8.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2022.2.0.68
  - 6.4.1-12
  - - ALMA/Cycle-9: patch
  - - [ALMA Pipeline Users Guide](https://almascience.nrao.edu/documents-and-tools/cycle9/alma-science-pipeline-users-guide-casa-6-4.1)
    - [Task Ref. Manual](https://almascience.nrao.edu/documents-and-tools/cycle9/Ref.-manual-2022.2)
  - - 2023-04
  - - [casa-6.4.1-12-pipeline-2022.2.0.68-py3.6.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2022.2.0.64
  - 6.4.1-12
  - - ALMA/Cycle-9
    - VLA/2022
  - - [ALMA Pipeline Users Guide](https://almascience.nrao.edu/documents-and-tools/cycle9/alma-science-pipeline-users-guide-casa-6-4.1)
    - [ALMA PL2022 Known Issues](https://casaguides.nrao.edu/index.php?title=ALMA_Pipeline_Known_Issues#Known_Issues_for_PL2022.2.0)
    - VLA [Calibration](https://science.nrao.edu/facilities/vla/data-processing/pipeline/CIPL_641) and [Imaging](https://science.nrao.edu/facilities/vla/data-processing/pipeline/VIPL_641) Pipeline
  - - 2022-10/2023-04
    - 2021-06
  - - [casa-6.4.1-12-pipeline-2022.2.0.64-py3.6.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2022.1.1.5
  - 6.4.1-12
  - - VLASS/PL2022: coarse cube imaging
  -
  - - 2022-10/2023-04
  - - [casa-6.4.1-12-pipeline-2022.1.1.5-py3.6.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2021.2.0.128
  - 6.2.1-7
  - - ALMA/Cycle-8
    - Nobeyama/2021
    - VLA/2021
  - - [ALMA Pipeline Users Guide](https://almascience.nrao.edu/documents-and-tools/alma-science-pipeline-users-guide-casa-6-2.1)
    - [ALMA PL2021 Known Issues](https://casaguides.nrao.edu/index.php?title=ALMA_Pipeline_Known_Issues#Known_Issues_for_PL2021.2.0)
    - VLA [Calibration](https://science.nrao.edu/facilities/vla/data-processing/pipeline/CIPL_621) and [Imaging](https://science.nrao.edu/facilities/vla/data-processing/pipeline/VIPL_621) Pipeline
    - [Nobeyama Pipeline Users Guide](https://www.nro.nao.ac.jp/~nro45mrt/html/obs/CASA/pipeline/NobeyamaPipelineUsersGuide.html)
    - [Task Ref. Manual](https://almascience.nrao.edu/documents-and-tools/reference-manual-2021.2)
  - - 2021-10/2022-09
  - - [casa-6.2.1-7-pipeline-2021.2.0.128.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2021.1.1.32
  - 6.1.3-3
  - - VLASS/PL2021: calibration, QL, and single-epoch imaging
  -
  - - 2021-07
  - - [casa-6.1.3-3-pipeline-2021.1.1.32.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2021.1.1.29
  - 6.1.3-3
  - - VLASS/PL2021: Epoch 2.1 calibration
  -
  - - 2021-06
  - - [casa-6.1.3-3-pipeline-2021.1.1.32.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2020.1.0.40
  - 6.1.2-7
  - - VLA/2021
  - - VLA [Calibration](https://science.nrao.edu/facilities/vla/data-processing/pipeline/CIPL_612) and [Imaging](https://science.nrao.edu/facilities/vla/data-processing/pipeline/VIPL_612) Pipeline
  - - 2020-12/2021-09
  - - [casa-6.1.2-7-pipeline-2020.1.0.40.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux)

* - 2020.1.0.40
  - 6.1.1-15
  - - ALMA/Cycle-7: extended
    - Nobeyama/PL2020: first release
  - - [ALMA Pipeline Users Guide](https://almascience.nrao.edu/documents-and-tools/alma-science-pipeline-users-guide-casa-6-1.1)
    - [ALMA PL2020 known issues](https://casaguides.nrao.edu/index.php?title=ALMA_Pipeline_Known_Issues)
    - [Task Ref. Manual](https://almascience.nrao.edu/documents-and-tools/reference-manual-2020.1)
  - - 2021-05/2021-09
  - - [casa-6.1.1-15-pipeline-2020.1.0.40.tar.xz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux/)
    - [casa-6.1.1.15-pipeline-2020.1.0.40-10.15.dmg](https://casa.nrao.edu/download/distro/osx/release/10.15)

* -
  - 5.6.3-19
  - - VLASS Epoch 2.1 calibration and QL imaging
  -
  - - 2021-06
  -

* -
  - 5.6.3-9
  - - VLASS Epoch 1.1 and 1.2 QL imaging
  -
  -
  - - [casa-pipeline-release-5.6.3-19.el7.tar.gz](https://casa.nrao.edu/download/distro/linux/release/el7)

* - r43130
  - 5.6.2-3.
  - - VLA restore patch
  - - VLA [Calibration](https://science.nrao.edu/facilities/vla/data-processing/pipeline/CIPL_56)
  - - 2020-02-13-2020-12-09
  -

* - r42904
  - 5.6.2-2
  - - VLA Fall 2019
  -
  - - 2019-10/2020-02
  -

* - CASA56-P1-B, r42866
  - 5.6.1-8
  - - ALMA/Cycle-7
  - - [ALMA Pipeline Users Guide](https://almascience.org/processing/documents-and-tools/alma-science-pipeline-users-guide-casa-5-6.1)
  - - 2019-10/2021-05
  - - [casa-pipeline-release-5.6.1-8.el7.tar.gz](https://casa.nrao.edu/download/distro/casa-pipeline/release/el7)
    - [casa-pipeline-release-5.6.1-8-10.14.dmg](https://casa.nrao.edu/download/distro/osx/release/10.14/)

* -
  - 5.5.0-105, -122, -144
  - - VLASS Epoch 1.2 calibration
  -
  -
  -

* - r42536
  - 5.4.2
  - - SRDP release
  -
  - - 2019-06/2019-10
  -

* -
  - 5.4.1-32
  - - VLASS Epoch 1.2 Quicklook Imaging
  -
  -
  -

* - CASA54-P1-B, r42254/r42866
  - 5.4.0-70
  - - ALMA/Cycle-6
  - - [ALMA Pipeline Users Guide](https://almascience.org/processing/documents-and-tools/alma-science-pipeline-users-guide-casa-5-4)
    - [Task Ref. Manual](https://almascience.org/processing/documents-and-tools/alma-science-pipeline-reference-manual-5-4)
  - - 2018-10/2019-10
  - - [casa-release-5.4.0-70.el7.tar.gz](https://casa.nrao.edu/download/distro/casa/release/el7/)

* - r42192
  - 5.4.1
  - - VLA Fall 2018
  - - VLA [Calibration](https://science.nrao.edu/facilities/vla/data-processing/pipeline/CIPL_54)
  - - 2018-12/2019-06
  -

* -
  - 5.3.0-10, -21
  - - VLASS Epoch 1.1 Quicklook Imaging
  -
  -
  -

* - Cycle5-R2-B, r40896
  - 5.1.1-5 r40896
  - - ALMA/Cycle-5
  - - [ALMA Pipeline Users Guide](https://almascience.org/processing/documents-and-tools/alma-science-pipeline-users-guide-casa-5-1.1)
  - - 2017-10/2018-10
  - - [casa-release-5.1.1-5.el7.tar.gz](https://casa.nrao.edu/download/distro/linux/release/el7)
    - [casa-release-5.1.1-5-10.12.dmg](https://casa.nrao.edu/download/distro/osx/release/10.12)

* - r40844
  - 5.1.2
  - - VLA Fall 2017
  - - VLA [Calibration](https://science.nrao.edu/facilities/vla/data-processing/pipeline/CIPL%205.1.2)
  - - 2018-01-30-2018-12-12
  -

* -
  - 5.1.2-4
  - - VLASS Epoch 1.1 calibration
  -
  -
  -

* -
  - 5.1.0-68, -71, -73, -74
  - - VLASS Epoch 1.1 calibration
  -
  -
  -

* - r40825
  - 5.1.0
  - - VLA Fall 2017
  -
  - - 2017-09-18-2018-01-29
  -

* - Cycle4-R2-B, r39732
  - 4.7.2 r39762
  - - ALMA/Cycle4-patch
  - - [ALMA Pipeline Users Guide](https://almascience.org/processing/documents-and-tools/alma-science-pipeline-users-guide-casa-4-7.2)
    - [Task Ref. Manual](https://almascience.org/processing/documents-and-tools/alma-science-pipeline-reference-manual-4-7.2)
  - - 2017-04/2017-10
  - - [casa-release-4.7.2-el7.tar.gz](https://casa.nrao.edu/download/distro/linux/release/el7)
    - [casa-release-4.7.2-10.11.dmg](https://casa.nrao.edu/download/distro/osx/release/10.11)

* - r39437
  - 4.7.1
  - - VLA Fall 2016
  -
  - - 2016-08-08-2016-11-14, 2017-01-23-2017-04-05
  -

* - r39339
  - 4.7.2
  - - VLA Fall 2016
  -
  - - 2017-04-05-2017-09-18
  -

* - Cycle4-R2-B, r38377
  - 4.7.0 r38355
  - - ALMA/Cycle4
  - - [ALMA Pipeline Users Guide](https://almascience.org/documents-and-tools/alma-science-pipeline-users-guide-casa-4.7.0)
    - [Task Ref. Manual](https://almascience.org/documents-and-tools/alma-science-pipeline-reference-manual-casa-4.7.0)
  - - 2016-10/2017-04
  - - [casa-release-4.7.0-1-el7.tar.gz](https://casa.nrao.edu/download/distro/linux/release/el7)
    - [casa-release-4.7.0-1-10.11.dmg](https://casa.nrao.edu/download/distro/osx/release/10.11)

* - Cycle3-R4-B, r36660
  - 4.5.3
  - - ALMA/Cycle3, 3rd release
    - VLA Spring 2016
  - - [ALMA Pipeline Users Guide](https://almascience.eso.org/documents-and-tools/alma-science-pipeline-quickstart-guide-casa-4.5.1)
    - [Task Ref. Manual](https://almascience.eso.org/documents-and-tools/alma-science-pipeline-reference-manual-casa-4.5.1)
  - - 2016-02/2016-04
    - 2016-05/2016-08, 2016-11/2017-01
  - - [casa-release-4.5.3-el6.tar.gz](https://casa.nrao.edu/download/distro/linux/release/el6)
    - [casa-release-4.5.3-10.10.dmg](https://casa.nrao.edu/download/distro/osx/release/10.10)

* - Cycle3-R4-B, r36091
  - 4.5.2-REL6 r36115
  - - ALMA/Cycle 3, patch1
  - - [ALMA Pipeline Users Guide](https://almascience.eso.org/documents-and-tools/alma-science-pipeline-quickstart-guide-casa-4.5.1)
    - [Task Ref. Manual](https://almascience.eso.org/documents-and-tools/alma-science-pipeline-reference-manual-casa-4.5.1)
  - - 2016-04/2016-10
  - - [casa-release-4.5.2-el6.tar.gz](https://casa.nrao.edu/download/distro/linux/release/el6)
    - [casa-release-4.5.2-10.10.dmg](https://casa.nrao.edu/download/distro/osx/release/10.10)

* - Cycle3-R4-B, r35932
  - 4.5.1-REL6 r35996
  - - ALMA/Cycle 3, patch1
  - - [ALMA Pipeline Users Guide](https://almascience.eso.org/documents-and-tools/alma-science-pipeline-quickstart-guide-casa-4.5.1)
    - [Task Ref. Manual](https://almascience.eso.org/documents-and-tools/alma-science-pipeline-reference-manual-casa-4.5.1)
  - - 2016-04
  - - [casa-release-4.5.1-el6.tar.gz](https://casa.nrao.edu/download/distro/linux/release/el6)
    - [casa-release-4.5.1-10.10.dmg](https://casa.nrao.edu/download/distro/osx/release/10.10)

* - Cycle3-R1-B, r34044
  - 4.3.1-REL6 r34291
  - - ALMA/Cycle 3, 2nd release
  - - [ALMA Pipeline Users Guide](https://almascience.eso.org/documents-and-tools/alma-science-pipeline-quickstart-guide-for-casa-4.3.1)
    - [Task Ref. Manual](https://almascience.eso.org/documents-and-tools/alma-science-pipeline-reference-manual-for-casa-4.3.1)
  - - 2015-08/2016-02
  - - [casa-release-4.3.1-pipe-1-el6.tar.gz](https://casa.nrao.edu/download/distro/linux/release/el6)
    - [casa-release-4.3.1-10.8-pipe-1.dmg](https://casa.nrao.edu/download/distro/osx/release/10.8)

* - r33901
  - 4.3.1
  - - VLA Fall 2015
  -
  - - 2015-09/2016-04
  -

* - Cycle2-R1-B, r30594/r31667
  - 4.2.2-REL5 r30721/r30986
  - - ALMA/Cycle 2
  - - [ALMA Pipeline Users Guide](https://almascience.eso.org/documents-and-tools/alma-science-pipeline-quickstart-guide-v1.1)
    - [Task Ref. Manual](https://almascience.eso.org/documents-and-tools/cycle-2/alma-pipeline-reference-manual)
  - - 2014-10/2015-08
  - - [casapy-42.2.30986-pipe-1-64b.tar.gz](https://casa.nrao.edu/download/distro/casa-pipeline/release/linux/) (compiled on RHEL5, works on RHEL6, not on RHEL7)
    - [casa-intel64b-10.8-30986-pipe.dmg](https://casa.nrao.edu/download/distro/osx/release/10.8)
```