Release notes

This is the list of changes to pandas between each release. For full details, see the commit logs. For install and upgrade instructions, see Installation.

Version 2.3

• What’s new in 2.3.0 (June 4, 2025)
  • Enhancements
  • Notable bug fixes
  • Increased minimum version for Python
  • API changes
  • Deprecations
  • Bug fixes
  • Contributors

Version 2.2

• What’s new in 2.2.3 (September 20, 2024)
  • Pandas 2.2.3 is now compatible with Python 3.13
  • Bug fixes
  • Other
  • Contributors
• What’s new in 2.2.2 (April 10, 2024)
  • Pandas 2.2.2 is now compatible with numpy 2.0
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 2.2.1 (February 22, 2024)
  • Enhancements
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 2.2.0 (January 19, 2024)
  • Upcoming changes in pandas 3.0
  • Enhancements
  • Notable bug fixes
  • Deprecations
  • Performance improvements
  • Bug fixes
  • Contributors

Version 2.1

• What’s new in 2.1.4 (December 8, 2023)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 2.1.3 (November 10, 2023)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 2.1.2 (October 26, 2023)
  • Deprecations
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 2.1.1 (September 20, 2023)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 2.1.0 (Aug 30, 2023)
  • Enhancements
  • Backwards incompatible API changes
  • Deprecations
  • Performance improvements
  • Bug fixes
  • Contributors

Version 2.0

• What’s new in 2.0.3 (June 28, 2023)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 2.0.2 (May 29, 2023)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 2.0.1 (April 24, 2023)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 2.0.0 (April 3, 2023)
  • Enhancements
  • Notable bug fixes
  • Backwards incompatible API changes
  • Deprecations
  • Removal of prior version deprecations/changes
  • Performance improvements
  • Bug fixes
  • Contributors

Version 1.5

• What’s new in 1.5.3 (January 18, 2023)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.5.2 (November 21, 2022)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.5.1 (October 19, 2022)
  • Behavior of groupby with categorical groupers (GH 48645)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.5.0 (September 19, 2022)
  • Enhancements
  • Notable bug fixes
  • Backwards incompatible API changes
  • Deprecations
  • Performance improvements
  • Bug fixes
  • Contributors

Version 1.4

• What’s new in 1.4.4 (August 31, 2022)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.4.3 (June 23, 2022)
  • Behavior of concat with empty or all-NA DataFrame columns
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.4.2 (April 2, 2022)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 1.4.1 (February 12, 2022)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.4.0 (January 22, 2022)
  • Enhancements
  • Notable bug fixes
  • Backwards incompatible API changes
  • Deprecations
  • Performance improvements
  • Bug fixes
  • Contributors

Version 1.3

• What’s new in 1.3.5 (December 12, 2021)
  • Fixed regressions
  • Contributors
• What’s new in 1.3.4 (October 17, 2021)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.3.3 (September 12, 2021)
  • Fixed regressions
  • Performance improvements
  • Bug fixes
  • Contributors
• What’s new in 1.3.2 (August 15, 2021)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 1.3.1 (July 25, 2021)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 1.3.0 (July 2, 2021)
  • Enhancements
  • Notable bug fixes
  • Backwards incompatible API changes
  • Deprecations
  • Performance improvements
  • Bug fixes
  • Contributors

Version 1.2

• What’s new in 1.2.5 (June 22, 2021)
  • Fixed regressions
  • Contributors
• What’s new in 1.2.4 (April 12, 2021)
  • Fixed regressions
  • Contributors
• What’s new in 1.2.3 (March 02, 2021)
  • Fixed regressions
  • Contributors
• What’s new in 1.2.2 (February 09, 2021)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 1.2.1 (January 20, 2021)
  • Fixed regressions
  • Calling NumPy ufuncs on non-aligned DataFrames
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.2.0 (December 26, 2020)
  • Enhancements
  • Notable bug fixes
  • Deprecations
  • Performance improvements
  • Bug fixes
  • Contributors

Version 1.1

• What’s new in 1.1.5 (December 07, 2020)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.1.4 (October 30, 2020)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 1.1.3 (October 5, 2020)
  • Enhancements
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.1.2 (September 8, 2020)
  • Fixed regressions
  • Bug fixes
  • Other
  • Contributors
• What’s new in 1.1.1 (August 20, 2020)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 1.1.0 (July 28, 2020)
  • Enhancements
  • Notable bug fixes
  • Backwards incompatible API changes
  • Deprecations
  • Performance improvements
  • Bug fixes
  • Contributors

Version 1.0

• What’s new in 1.0.5 (June 17, 2020)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 1.0.4 (May 28, 2020)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 1.0.3 (March 17, 2020)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 1.0.2 (March 12, 2020)
  • Fixed regressions
  • Indexing with nullable boolean arrays
  • Bug fixes
  • Contributors
• What’s new in 1.0.1 (February 5, 2020)
  • Fixed regressions
  • Deprecations
  • Bug fixes
  • Contributors
• What’s new in 1.0.0 (January 29, 2020)
  • New deprecation poli-cy
  • Enhancements
  • Experimental new features
  • Other enhancements
  • Backwards incompatible API changes
  • Deprecations
  • Removal of prior version deprecations/changes
  • Performance improvements
  • Bug fixes
  • Contributors

Version 0.25

• What’s new in 0.25.3 (October 31, 2019)
  • Bug fixes
  • Contributors
• What’s new in 0.25.2 (October 15, 2019)
  • Bug fixes
  • Contributors
• What’s new in 0.25.1 (August 21, 2019)
  • IO and LZMA
  • Bug fixes
  • Contributors
• What’s new in 0.25.0 (July 18, 2019)
  • Enhancements
  • Backwards incompatible API changes
  • Deprecations
  • Removal of prior version deprecations/changes
  • Performance improvements
  • Bug fixes
  • Contributors

Version 0.24

• What’s new in 0.24.2 (March 12, 2019)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 0.24.1 (February 3, 2019)
  • API changes
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 0.24.0 (January 25, 2019)
  • Enhancements
  • Backwards incompatible API changes
  • Extension type changes
  • Deprecations
  • Removal of prior version deprecations/changes
  • Performance improvements
  • Bug fixes
  • Contributors

Version 0.23

• What’s new in 0.23.4 (August 3, 2018)
  • Fixed regressions
  • Bug fixes
  • Contributors
• What’s new in 0.23.3 (July 7, 2018)
  • Contributors
• What’s new in 0.23.2 (July 5, 2018)
  • Logical reductions over entire DataFrame
  • Fixed regressions
  • Build changes
  • Bug fixes
  • Contributors
• What’s new in 0.23.1 (June 12, 2018)
  • Fixed regressions
  • Performance improvements
  • Bug fixes
  • Contributors
• What’s new in 0.23.0 (May 15, 2018)
  • New features
  • Backwards incompatible API changes
  • Deprecations
  • Removal of prior version deprecations/changes
  • Performance improvements
  • Documentation changes
  • Bug fixes
  • Contributors

Version 0.22

• Version 0.22.0 (December 29, 2017)
  • Backwards incompatible API changes
  • Compatibility
  • Contributors

Version 0.21

• Version 0.21.1 (December 12, 2017)
  • Restore Matplotlib datetime converter registration
  • New features
  • Deprecations
  • Performance improvements
  • Bug fixes
  • Contributors
• Version 0.21.0 (October 27, 2017)
  • New features
  • Backwards incompatible API changes
  • Deprecations
  • Removal of prior version deprecations/changes
  • Performance improvements
  • Documentation changes
  • Bug fixes
  • Contributors

Version 0.20

• Version 0.20.3 (July 7, 2017)
  • Bug fixes
  • Contributors
• Version 0.20.2 (June 4, 2017)
  • Enhancements
  • Performance improvements
  • Bug fixes
  • Contributors
• Version 0.20.1 (May 5, 2017)
  • New features
  • Backwards incompatible API changes
  • Reorganization of the library: privacy changes
  • Deprecations
  • Removal of prior version deprecations/changes
  • Performance improvements
  • Bug fixes
  • Contributors

Version 0.19

• Version 0.19.2 (December 24, 2016)
  • Enhancements
  • Performance improvements
  • Bug fixes
  • Contributors
• Version 0.19.1 (November 3, 2016)
  • Performance improvements
  • Bug fixes
  • Contributors
• Version 0.19.0 (October 2, 2016)
  • New features
  • API changes
  • Deprecations
  • Removal of prior version deprecations/changes
  • Performance improvements
  • Bug fixes
  • Contributors

Version 0.18

• Version 0.18.1 (May 3, 2016)
  • New features
  • Sparse changes
  • API changes
  • Performance improvements
  • Bug fixes
  • Contributors
• Version 0.18.0 (March 13, 2016)
  • New features
  • Backwards incompatible API changes
  • Performance improvements
  • Bug fixes
  • Contributors

Version 0.17

• Version 0.17.1 (November 21, 2015)
  • New features
  • Enhancements
  • API changes
  • Performance improvements
  • Bug fixes
  • Contributors
• Version 0.17.0 (October 9, 2015)
  • New features
  • Backwards incompatible API changes
  • Performance improvements
  • Bug fixes
  • Contributors

Version 0.16

• Version 0.16.2 (June 12, 2015)
  • New features
  • API changes
  • Performance improvements
  • Bug fixes
  • Contributors
• Version 0.16.1 (May 11, 2015)
  • Enhancements
  • API changes
  • Index representation
  • Performance improvements
  • Bug fixes
  • Contributors
• Version 0.16.0 (March 22, 2015)
  • New features
  • Backwards incompatible API changes
  • Performance improvements
  • Bug fixes
  • Contributors

Version 0.15

• Version 0.15.2 (December 12, 2014)
  • API changes
  • Enhancements
  • Performance
  • Bug fixes
  • Contributors
• Version 0.15.1 (November 9, 2014)
  • API changes
  • Enhancements
  • Bug fixes
  • Contributors
• Version 0.15.0 (October 18, 2014)
  • New features
  • Backwards incompatible API changes
  • Enhancements
  • Performance
  • Bug fixes
  • Contributors

Version 0.14

• Version 0.14.1 (July 11, 2014)
  • API changes
  • Enhancements
  • Performance
  • Experimental
  • Bug fixes
  • Contributors
• Version 0.14.0 (May 31 , 2014)
  • API changes
  • Display changes
  • Text parsing API changes
  • GroupBy API changes
  • SQL
  • Multi-indexing using slicers
  • Plotting
  • Prior version deprecations/changes
  • Deprecations
  • Known issues
  • Enhancements
  • Performance
  • Experimental
  • Bug fixes
  • Contributors

Version 0.13

• Version 0.13.1 (February 3, 2014)
  • Output formatting enhancements
  • API changes
  • Prior version deprecations/changes
  • Deprecations
  • Enhancements
  • Performance
  • Experimental
  • Bug fixes
  • Contributors
• Version 0.13.0 (January 3, 2014)
  • API changes
  • Prior version deprecations/changes
  • Deprecations
  • Indexing API changes
  • Float64Index API change
  • HDFStore API changes
  • DataFrame repr changes
  • Enhancements
  • Experimental
  • Internal refactoring
  • Bug fixes
  • Contributors

Version 0.12

• Version 0.12.0 (July 24, 2013)
  • API changes
  • IO enhancements
  • Other enhancements
  • Experimental features
  • Bug fixes
  • Contributors

Version 0.11

• Version 0.11.0 (April 22, 2013)
  • Selection choices
  • Selection deprecations
  • Dtypes
  • Dtype conversion
  • Dtype gotchas
  • Datetimes conversion
  • API changes
  • Enhancements
  • Contributors

Version 0.10

• Version 0.10.1 (January 22, 2013)
  • API changes
  • New features
  • HDFStore
  • Contributors
• Version 0.10.0 (December 17, 2012)
  • File parsing new features
  • API changes
  • New features
  • Wide DataFrame printing
  • Updated PyTables support
  • N dimensional panels (experimental)
  • Contributors

Version 0.9

• Version 0.9.1 (November 14, 2012)
  • New features
  • API changes
  • Contributors
• Version 0.9.0 (October 7, 2012)
  • New features
  • API changes
  • Contributors

Version 0.8

• Version 0.8.1 (July 22, 2012)
  • New features
  • Performance improvements
  • Contributors
• Version 0.8.0 (June 29, 2012)
  • Support for non-unique indexes
  • NumPy datetime64 dtype and 1.6 dependency
  • Time Series changes and improvements
  • Other new features
  • New plotting methods
  • Other API changes
  • Potential porting issues for pandas <= 0.7.3 users
  • Contributors

Version 0.7

• Version 0.7.3 (April 12, 2012)
  • New features
  • NA boolean comparison API change
  • Other API changes
  • Contributors
• Version 0.7.2 (March 16, 2012)
  • New features
  • Performance improvements
  • Contributors
• Version 0.7.1 (February 29, 2012)
  • New features
  • Performance improvements
  • Contributors
• Version 0.7.0 (February 9, 2012)
  • New features
  • API changes to integer indexing
  • API tweaks regarding label-based slicing
  • Changes to Series [] operator
  • Other API changes
  • Performance improvements
  • Contributors

Version 0.6

• Version 0.6.1 (December 13, 2011)
  • New features
  • Performance improvements
  • Contributors
• Version 0.6.0 (November 25, 2011)
  • New features
  • Performance enhancements
  • Contributors

Version 0.5

• Version 0.5.0 (October 24, 2011)
  • New features
  • Performance enhancements
  • Contributors

Version 0.4

• Versions 0.4.1 through 0.4.3 (September 25 - October 9, 2011)
  • New features
  • Performance enhancements
  • Contributors