# What changed in msgraph-core

> 8 changes in msgraph-core 1 from its official release notes, upgrade guides and advisories: 1 breaking. Each one cited. Sources checked 2026-10-27. HTML: https://unstale.sh/pypi/msgraph-core/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## msgraph-core 1

### Breaking changes

- Python 3.9 is no longer supported. (1.4.0) — [release notes](https://github.com/microsoftgraph/msgraph-sdk-python-core/releases/tag/v1.4.0)

### Fixes and other changes

- The API version is stripped only when it is the first path segment. (1.5.3) — [release notes](https://github.com/microsoftgraph/msgraph-sdk-python-core/releases/tag/v1.5.3)
- BatchRequestItem URLs are now built relative to the API version. (1.5.3) — [release notes](https://github.com/microsoftgraph/msgraph-sdk-python-core/releases/tag/v1.5.3)
- Graph transport now honors Kiota request extensions. (1.5.2) — [release notes](https://github.com/microsoftgraph/msgraph-sdk-python-core/releases/tag/v1.5.2)
- Legacy request options are now propagated to Kiota middleware. (1.5.2) — [release notes](https://github.com/microsoftgraph/msgraph-sdk-python-core/releases/tag/v1.5.2)
- Strips leading and trailing whitespace for the HostOs header. (1.5.0) — [release notes](https://github.com/microsoftgraph/msgraph-sdk-python-core/releases/tag/v1.5.0)
- Fixes HTTP/1.1 requests with truncated kernel versions. (1.5.0) — [release notes](https://github.com/microsoftgraph/msgraph-sdk-python-core/releases/tag/v1.5.0)
- Python 3.14 is now supported. (1.4.0) — [release notes](https://github.com/microsoftgraph/msgraph-sdk-python-core/releases/tag/v1.4.0)