BentoML Release Notes

Name: BentoML
Brand: BentoML

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13 release notes curated from 1 source by the Releasebot Team. Last updated: May 7, 2026

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May 7, 2026
Date parsed from source:
May 7, 2026

First seen by Releasebot:
May 7, 2026
BentoML

v1.4.39

BentoML fixes Dockerfile generation, BentoStore file copying, FileSchema string handling, and Prometheus metrics in multiprocess mode while improving multi-arch BuildKit cache behavior.
What's Changed

ci: pre-commit autoupdate [skip ci] by @pre-commit-ci[bot] in #5593

fix: prevent following symlinks when copying files in BentoStore by @frostming in #5598

fix: add sharing=locked to BuildKit cache mounts for multi-arch builds by @lawrence3699 in #5597

fix: enhance Dockerfile generation by normalizing base image lines and adding tests by @frostming in #5603

fix: defer prometheus_client import in bentoml.metrics to fix histogram collection in multiprocess mode by @ramkrishs in #5602

ci: pre-commit autoupdate [skip ci] by @pre-commit-ci[bot] in #5605

fix: handle string input in FileSchema by encoding to UTF-8 by @frostming in #5606

New Contributors

@lawrence3699 made their first contribution in #5597

@ramkrishs made their first contribution in #5602

Full Changelog: v1.4.38...v1.4.39
Original source
Apr 2, 2026
Date parsed from source:
Apr 2, 2026

First seen by Releasebot:
Apr 2, 2026
BentoML

v1.4.38

BentoML adds native src-layout project support and fixes Jinja2 and CUDA base image issues.
What's Changed

feat: native support for src-layout projects by @VedantMadane in #5555

fix: switch to SandboxedEnvironment and remove unused Jinja2 extensions by @frostming in #5591

fix: use correct NVIDIA CUDA base images for debian distro by @mattmorganpdx in #5590

New Contributors

@mattmorganpdx made their first contribution in #5590

Full Changelog: v1.4.37...v1.4.38
Original source
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Mar 25, 2026
Date parsed from source:
Mar 25, 2026

First seen by Releasebot:
Mar 25, 2026
BentoML

v1.4.37

BentoML ships v1.4.37 with container loading fixes, improved SQLite concurrency stability, cleaner Docker template quoting, and a Prometheus histogram ordering fix, along with docs and dependency updates.
What's Changed

docs: Update slack to forum link by @Sherlock113 in #5567

fix: correctly load bentoml.models.HuggingFaceModel in container by @nickthegroot in #5582

chore(deps): bump docker/setup-qemu-action from 3 to 4 by @dependabot[bot] in #5564

chore(deps): bump marocchino/sticky-pull-request-comment from 2 to 3 by @dependabot[bot] in #5571

chore(deps): bump docker/setup-buildx-action from 3 to 4 by @dependabot[bot] in #5565

fix: resolve SQLite 'database is locked' errors under high concurrency by @VedantMadane in #5558

fix: shell quote system package names in Dockerfile templates and image commands by @frostming in #5583

fix: reorder histogram samples in multiprocess prometheus output by @saivedant169 in #5570

New Contributors

@nickthegroot made their first contribution in #5582

@saivedant169 made their first contribution in #5570

Full Changelog: v1.4.36...v1.4.37
Original source
Mar 6, 2026
Date parsed from source:
Mar 6, 2026

First seen by Releasebot:
Mar 20, 2026
BentoML

v1.4.36

BentoML releases v1.4.36 with key fixes for concurrency, readiness checks, tarfile safety, and API behavior, plus a reintroduced image API build_include feature and a typo correction. It also updates AWS BYOC docs and dependency tooling.
What's Changed

fix: correct typo 'seperators' to 'separators' by @thecaptain789 in #5546

Reapply "feat: new image API: build_include" (#5531) by @frostming in #5539

fix: resolve AnyIO NoEventLoopError when calling sync API from async API by @paipeline in #5550

fix: Set SQLite busy_timeout and WAL mode to prevent 'database is locked' under concurrency by @VedantMadane in #5551

Fix memory leak in readiness checks with remote dependencies by @paipeline in #5553

fix: validate symlink targets in safe_extract_tarfile by @q1uf3ng in #5548

Revert "fix: resolve AnyIO NoEventLoopError when calling sync API from async API" by @frostming in #5554

chore: update AWS BYOC doc to v10 by @sauyon in #5559

chore(deps): bump actions/download-artifact from 7 to 8 by @dependabot[bot] in #5561

chore(deps): bump actions/upload-artifact from 6 to 7 by @dependabot[bot] in #5560

ci: pre-commit autoupdate [skip ci] by @pre-commit-ci[bot] in #5562

New Contributors

@thecaptain789 made their first contribution in #5546

@paipeline made their first contribution in #5550

@VedantMadane made their first contribution in #5551

@q1uf3ng made their first contribution in #5548

Full Changelog: v1.4.35...v1.4.36
Original source
Feb 3, 2026
Date parsed from source:
Feb 3, 2026

First seen by Releasebot:
Mar 20, 2026
BentoML

v1.4.35

BentoML fixes session refresh connector errors and adds support for importing multiple Bentos with shared models.
What's Changed

fix(client): recreate connector on session refresh to prevent closed session errors by @Wirg in #5541

ci: pre-commit autoupdate [skip ci] by @pre-commit-ci[bot] in #5542

fix: Support importing multiple Bentos with shared models by @frostming in #5543

New Contributors

@Wirg made their first contribution in #5541

Full Changelog: v1.4.34...v1.4.35
Original source
Jan 26, 2026
Date parsed from source:
Jan 26, 2026

First seen by Releasebot:
Mar 20, 2026
BentoML

v1.4.34

BentoML fixes a security issue in user-supplied file path resolution.

Fixed a security issue when resolving file paths input by user.

Full Changelog

v1.4.33...v1.4.34
Original source
Jan 12, 2026
Date parsed from source:
Jan 12, 2026

First seen by Releasebot:
Mar 20, 2026
BentoML

v1.4.33

BentoML fixes Dockerfile template installation logic for Python packages in a small release update.

What's Changed

fix: update installation logic for Python packages in Dockerfile template by @frostming in #5534

Full Changelog: v1.4.32...v1.4.33
Original source
Jan 9, 2026
Date parsed from source:
Jan 9, 2026

First seen by Releasebot:
Mar 20, 2026
BentoML

v1.4.32

BentoML fixes worker assignment, Dockerfile installs, and file decoding while reverting a new image API change.
What's Changed

fix: ensure at least one CPU worker is assigned when CPU resources are zero by @frostming in #5528

fix: update installation path logic for Python packages in Dockerfile template by @frostming in #5529

Revert "feat: new image API: build_include" by @frostming in #5531

ci: pre-commit autoupdate [skip ci] by @pre-commit-ci[bot] in #5530

fix: sanitize filename with path separators in FileSchema.decode by @Anri-Lombard in #5533

New Contributors

@Anri-Lombard made their first contribution in #5533

Full Changelog: v1.4.31...v1.4.32
Original source
Dec 23, 2025
Date parsed from source:
Dec 23, 2025

First seen by Releasebot:
Mar 20, 2026
BentoML

v1.4.31

BentoML adds build time secrets, an API token SDK, and native prefix routing support, while introducing a new image API build_include and stage support in the secret CLI. It also brings gateway documentation, screenshots, and several fixes and lint updates.
What's Changed

chore: update pre-commit config and fix lint errors by @frostming in #5511

ci: pre-commit autoupdate [skip ci] by @pre-commit-ci[bot] in #5512

doc(gateway): add gateway documentation by @ssheng in #5513

docs: Add gateway screenshots by @Sherlock113 in #5515

feat: add build time secrets by @jianshen92 in #5514

feat: API token sdk by @jianshen92 in #5516

docs: API token SDK documentation by @jianshen92 in #5517

feat: new image API: build_include by @frostming in #5518

feature: Add native prefix routing (root_path) support for BentoML by @frostming in #5521

fix: support max age and max requets for runner connections by @frostming in #5522

fix: improve the error message for importing bento by @frostming in #5523

chore(deps): bump actions/download-artifact from 6 to 7 by @dependabot[bot] in #5520

chore(deps): bump actions/upload-artifact from 5 to 6 by @dependabot[bot] in #5519

feat: support stage in secret CLI by @jianshen92 in #5526

Full Changelog: v1.4.30...v1.4.31
Original source
Nov 27, 2025
Date parsed from source:
Nov 27, 2025

First seen by Releasebot:
Mar 20, 2026
BentoML

v1.4.30

BentoML fixes deployment, proxy, and worker handling in v1.4.30, with updates to CLI deploy and dependency call behavior.
What's Changed

chore(deps): bump actions/checkout from 5 to 6 by @dependabot[bot] in #5505

fix: aiohttp impl of RemoteProxy for dependency call by @frostming in #5502

docs: update AWS CloudFormation template URL to v9 by @sauyon in #5506

fix: improve process termination handling in create_proxy_app by @frostming in #5508

fix: cli deploy to inject deployment env by @jianshen92 in #5507

fix: set default worker count based on available CPU resources by @frostming in #5509

fix: ensure at least one worker is set based on CPU resources by @frostming in #5510

Full Changelog: v1.4.29...v1.4.30
Original source
Nov 17, 2025
Date parsed from source:
Nov 17, 2025

First seen by Releasebot:
Mar 20, 2026
BentoML

v1.4.29

BentoML adds service-class instance association and apt-get install fixes in v1.4.29.
What's Changed

docs: Add byoc link by @Sherlock113 in #5498

ci: pre-commit autoupdate [skip ci] by @pre-commit-ci[bot] in #5500

feat: associate bento service instance with the service class by @frostming in #5501

fix: update apt-get install command to use Dpkg options by @frostming in #5503

Full Changelog: v1.4.28...v1.4.29
Original source
Oct 29, 2025
Date parsed from source:
Oct 29, 2025

First seen by Releasebot:
Mar 20, 2026
BentoML

v1.4.28

BentoML adds multi-worker support for custom command services and ships fixes for CUDA base images, docs, and build errors.
What's Changed

fix: update cuda base image and base image docs by @frostming in #5492

fix: use dir() instead of vars() to walk through the MRO by @frostming in #5495

chore(deps): bump actions/download-artifact from 5 to 6 by @dependabot[bot] in #5494

chore(deps): bump actions/upload-artifact from 4 to 5 by @dependabot[bot] in #5493

fix: feature: build error message with missing BentoModel by @frostming in #5496

feat: multi-worker support for custom command service by @frostming in #5497

Full Changelog: v1.4.27...v1.4.28
Original source
Oct 20, 2025
Date parsed from source:
Oct 20, 2025

First seen by Releasebot:
Mar 20, 2026
BentoML

v1.4.27

BentoML adds Python 3.14 build support and excludes metrics for endpoints in this release.
What's Changed

chore(deps): bump github/codeql-action from 3 to 4 by @dependabot[bot] in #5486

chore(deps): bump astral-sh/setup-uv from 6 to 7 by @dependabot[bot] in #5487

docs: Update vllm inference doc by @Sherlock113 in #5488

feat: support python 3.14 in build by @jianshen92 in #5489

fix: exclude metrics for endpoints by @bojiang in #5491

Full Changelog: v1.4.26...v1.4.27
Original source

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BentoML Release Notes

v1.4.39

What's Changed

New Contributors

v1.4.38

What's Changed

New Contributors

v1.4.37

What's Changed

New Contributors

v1.4.36

What's Changed

New Contributors

v1.4.35

What's Changed

New Contributors

v1.4.34

Full Changelog

v1.4.33

What's Changed

v1.4.32

What's Changed

New Contributors

v1.4.31

What's Changed

v1.4.30

What's Changed

v1.4.29

What's Changed

v1.4.28

What's Changed

v1.4.27

What's Changed

Curated by the Releasebot team

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