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build(deps): bump fastmcp from 3.4.7 to 4.0.3 in /backend - #267

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build(deps): bump fastmcp from 3.4.7 to 4.0.3 in /backend#267
dependabot[bot] wants to merge 1 commit into
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dependabot/uv/backend/fastmcp-4.0.3

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@dependabot dependabot Bot commented on behalf of github Sep 9, 2026

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Bumps fastmcp from 3.4.7 to 4.0.3.

Release notes

Sourced from fastmcp's releases.

v4.0.3: Once Is Enough

Multi-server clients with legacy-only backends now avoid unnecessary startup retries, and tools returning unconstrained sequences no longer send images twice. This patch also fixes task timing values rejected by strict clients and cleans up unfinished Monty callbacks when execution ends.

What's Changed

Enhancements ✨

Fixes 🐞

Docs 📚

New Contributors

Full Changelog: PrefectHQ/fastmcp@v4.0.2...v4.0.3

v4.0.2: Root Access

ClientGroup is now importable from the package root, from fastmcp import ClientGroup, with the same lazy export and install hint as Client, so integrations no longer couple to FastMCP's internal module layout.

What's Changed

Enhancements ✨

Fixes 🐞

Docs 📚

Other Changes 🦾

Full Changelog: PrefectHQ/fastmcp@v4.0.1...v4.0.2

v4.0.1: Come Back Any Time

ClientGroup now reference-counts its context the way Client does, so entering a connected group from a nested block or a concurrent task reuses the existing connections instead of raising. Adapters written against Client's reentrancy can hold a ClientGroup the same way.

... (truncated)

Changelog

Sourced from fastmcp's changelog.


title: "Changelog" icon: "list-check" rss: true tag: NEW

v4.0.3: Once Is Enough

Multi-server clients with legacy-only backends now avoid unnecessary startup retries, and tools returning unconstrained sequences no longer send images twice. This patch also fixes task timing values rejected by strict clients and cleans up unfinished Monty callbacks when execution ends.

Enhancements ✨

Fixes 🐞

Docs 📚

  • docs: point What's New at the changelog for later releases by @​zzstoatzz in #4992
  • docs: attribute the back-channel removal to SEP-2322/2575, not SEP-2577 by @​zzstoatzz in #4988

New Contributors

Full Changelog: v4.0.2...v4.0.3

v4.0.2: Root Access

ClientGroup is now importable from the package root, from fastmcp import ClientGroup, with the same lazy export and install hint as Client, so integrations no longer couple to FastMCP's internal module layout.

Enhancements ✨

Fixes 🐞

Docs 📚

Full Changelog: v4.0.1...v4.0.2

... (truncated)

Commits
  • 7129236 Add v4.0.3 changelog entries (#5007)
  • f79bc82 chore: Update SDK documentation (#4945)
  • 6e0859f fix task timing field serialization (#5003)
  • 855cb7a Clarify release title history lookup (#5006)
  • 6236ac1 Clean up unfinished Monty callbacks (#5005)
  • 6c2fbe7 docs: attribute the back-channel removal to SEP-2322/2575, not SEP-2577 (#4988)
  • e68bacc perf: avoid duplicate startup for mixed-era backends (#4971)
  • 032b9f6 fix: don't infer an output schema for unconstrained sequences (#4999)
  • 75d50ff ci: deploy docs through Mintlify's admin API and wait for a verdict (#4996)
  • a338cfb docs: point What's New at the changelog for later releases (#4992)
  • Additional commits viewable in compare view

@dependabot dependabot Bot added the dependencies Pull requests that update a dependency file label Sep 9, 2026
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dependabot Bot commented on behalf of github Sep 9, 2026

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The following labels could not be found: backend. Please create it before Dependabot can add it to a pull request.

Please fix the above issues or remove invalid values from dependabot.yml.

@github-actions

github-actions Bot commented Sep 9, 2026

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🛑 Major version bump (fastmcp: 3.4.7 → 4.0.3). Auto-merge is intentionally disabled for major updates — please review the changelog and merge manually.

@dependabot
dependabot Bot force-pushed the dependabot/uv/backend/fastmcp-4.0.3 branch from 1357579 to aa03fc9 Compare September 9, 2026 19:57
@github-actions

github-actions Bot commented Sep 9, 2026

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🛑 Major version bump (fastmcp: 3.4.7 → 4.0.3). Auto-merge is intentionally disabled for major updates — please review the changelog and merge manually.

Bumps [fastmcp](https://github.com/PrefectHQ/fastmcp) from 3.4.7 to 4.0.3.
- [Release notes](https://github.com/PrefectHQ/fastmcp/releases)
- [Changelog](https://github.com/PrefectHQ/fastmcp/blob/main/docs/changelog.mdx)
- [Commits](PrefectHQ/fastmcp@v3.4.7...v4.0.3)

---
updated-dependencies:
- dependency-name: fastmcp
  dependency-version: 4.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot
dependabot Bot force-pushed the dependabot/uv/backend/fastmcp-4.0.3 branch from aa03fc9 to 8f8f195 Compare September 9, 2026 20:22
@github-actions

github-actions Bot commented Sep 9, 2026

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🛑 Major version bump (fastmcp: 3.4.7 → 4.0.3). Auto-merge is intentionally disabled for major updates — please review the changelog and merge manually.

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