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2026 November breaking change milestone. Includes breaking changes and also includes issues from the [October Milestone](https://github.com/Esri/calcite-design-system/milestone/196).
Due by December 1, 20262026 October breaking change milestone. Includes **breaking changes**. _This milestone can include breaking changes._
Due by October 27, 2026•0/4 issues closed`5.2.0` - September 2026 minor release includes a summary of changes and blog post highlighting changes since the May release. Includes issues from the **[June](https://github.com/Esri/calcite-design-system/milestone/189)**, **[July](https://github.com/Esri/calcite-design-system/milestone/190)** and **[August](https://github.com/Esri/calcite-design-system/milestone/191)** milestones. No breaking change issues or PRs, all code must be submitted by end of business day Friday, September 11.
Due by September 15, 2026•0/3 issues closed2026 August milestone. No breaking change issues or PRs. **not an official release**, but a tracking mechanism for Calcite team members. All changes will be incorporated into the release in September 2026.
Due by August 25, 2026•0/11 issues closed2026 July milestone. No breaking change issues or PRs. **not an official release**, but a tracking mechanism for Calcite team members. All changes will be incorporated into the release in September 2026.
Due by July 28, 2026•1/28 issues closed2026 June milestone. No breaking change issues or PRs. **not an official release**, but a tracking mechanism for Calcite team members. All changes will be incorporated into the release in September 2026.
Due by June 30, 2026•0/33 issues closed`5.1.0` - May 2026 minor release includes a summary of changes and blog post highlighting changes since the January/February release. Includes issues from the **[March](https://github.com/Esri/calcite-design-system/milestone/186)** and **[April](https://github.com/Esri/calcite-design-system/milestone/166)** milestone. No breaking change issues or PRs, all code must be submitted by end of business day Friday, May 8. Final release for 26.R2
Due by May 12, 2026•1/19 issues closed2026 April milestone. No breaking change issues or PRs. **not an official release**, but a tracking mechanism for Calcite team members. All changes will be incorporated into the release in May 2026.
Due by April 29, 2026•0/57 issues closed2026 March milestone . No breaking change issues or PRs. **not an official release**, but a tracking mechanism for Calcite team members. All changes will be incorporated into the release in May 2026.
Due by March 24, 2026•1/59 issues closed`5.0.0` - 2025 February main release includes a summary of changes and blog post highlighting changes since the September release. Includes **breaking change** issues from the **[October milestone](https://github.com/Esri/calcite-design-system/milestone/172)**, **[November breaking change milestone](https://github.com/Esri/calcite-design-system/milestone/173)**, and **[December milestone](https://github.com/Esri/calcite-design-system/milestone/174)**. _This milestone could include breaking changes, if needed._ Final release for 26.R1, all code must be submitted by end of business day Friday, January 30.
Due by February 3, 2026•91/216 issues closedDev backlog from issues assigned to a milestone that need additional time to be implemented.
No due date•1/8 issues closedIssues that we want to work on now, but are blocked, missing info, or require discussion in order to define action items.
No due date•22/92 issues closedItems that we want to look into, but do not have an immediate timeline associated.
No due date•175/192 issues closed