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Bump Microsoft.ML.OnnxRuntime from 1.24.4 to 1.27.0#44

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Bump Microsoft.ML.OnnxRuntime from 1.24.4 to 1.27.0#44
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@dependabot dependabot Bot commented on behalf of github Jun 29, 2026 •
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Updated Microsoft.ML.OnnxRuntime from 1.24.4 to 1.27.0.

Release notes

Sourced from Microsoft.ML.OnnxRuntime's releases.

1.27.0

n.b. This release is targeting ONNX 1.21. ONNX 1.22 will be supported in ORT 1.28.
n.b. This changelog was generated via LLM. Only the contributor list has been verified. As always, only trust the commit history.

Announcements & Breaking Changes

  • CUDA 12 package files are now explicitly named as such.
  • CUDA 12 packages are deprecated, please move to CUDA 13 ASAP.

Security Fixes

  • Fixed out-of-bounds read in SoftmaxCrossEntropyLoss via label bounds validation (#​28004)
  • Hardened OneHot input validation and output-size computation (#​28014)
  • Added SafeInt overflow protection in Expand and capped constant-folding output sizes (#​28055)
  • Bounded total output allocation size in Tile kernel (#​28070)
  • Added mask/input shape consistency checks in MaxpoolWithMask::Compute (#​28223)
  • Fixed BitShift UB for shift amounts greater than or equal to bit width (#​28272)
  • Validated sequence bounds in GQA (seqlens_k vs cos_cache) (#​28277)
  • Validated conv bias shape in WordConvEmbedding to prevent OOB reads (#​28279)
  • Fixed int32 overflow in CUDA Cast and UnaryElementWise kernels for very large tensors (#​28386)
  • Fixed out-of-bounds read in CropBase scale handling (#​28399)
  • Fixed rank-underflow bug in Inverse kernel trailing-dimension indexing (#​28400)
  • Added sparse tensor external file path validation and additional external-path hardening (#​28408, #​28709, #​28725)
  • Switched remaining torch.load() calls to weights_only=True (#​28421)
  • Added CPU cache-indirection beam-index validation (#​28486)
  • Added additional overflow/bounds checks and test coverage in runtime buffers (#​28713, #​28747)

New Features

Execution Provider Plugin API

  • Added zero-copy I/O for plugin EPs with HOST_ACCESSIBLE memory (#​28037)
  • Added OrtEp::OnSessionInitializationEnd() callback (#​28319)
  • Added plugin EP session-options getters (#​28377)
  • Added CUDA Plugin EP provider options for streams and external allocators (#​28603)

Core APIs & Runtime

  • Added support for ONNX overloaded functions (IR v10+) (#​28275)
  • Added FLOAT8E8M0 datatype support in ONNX Runtime (#​28381)
  • Added CPU Cast support for FLOAT8E8M0 (#​28435)
  • Added kOrtEpDevice_EpMetadataKey_OSDriverVersion example and docs (#​28282)

Quantization & Training Tooling

  • Added calibration cache support to quantize_static (#​28221)
  • Added ActivationRestrictedAsymmetric quantization option (#​28237)
    ... (truncated)

1.26.0

n.b. The following was generated via LLM from Git history. Only the contributor list has been verified.

ONNX Runtime Release 1.26.0

Announcement - Breaking Changes

  • Support for CUDA 12 will be removed in 1.27.0.
    • CUDA 13 will continue to be published as onnxruntime-<os>-<arch>-gpu_cuda13-<version>.<ext>
  • CUDA runtime will be moving soon to a dedicated Execution Provider (EP) instead of a published package from ORT core.

Highlights

  • Added optional memory mapping for .ort model loads (#​28164).
  • Added RISC-V Vector (RVV) support for CPU EP (#​28261).
  • OpenVINO EP upgraded for 1.26.0 development release (#​28297).
  • WebGPU gained GridSample support (#​28264) and Split-K improvements (#​28151).
  • CUDA plugin EP gained graph support (#​28002), profiling API (#​28216).

Security and Reliability Hardening

  • Replaced unrestricted Python setattr configuration with an allowlist (#​28083).
  • Hardened multiple OOB and overflow scenarios across ML and core ops:
  • Fixed session logger use-after-free during EP teardown under verbose logging (#​28274).

CUDA, Attention, and MLAS

  • Filled CUDA opset/operator gaps and extended support:
    • Transpose opset 23 -> 25 (#​27740).
    • QuantizeLinear/DequantizeLinear opset 25 (#​28046).
    • CUDA TopK INT8/INT16/UINT8 support (#​27862).
    • LabelEncoder CUDA support for numeric types (#​28045).
  • Attention/GQA improvements:
    • Fixed ONNX Attention min-bias alignment crash on SM<80 and masked-batch NaN behavior (#​27831).
    • Added FP32 QK accumulation path for unfused GQA attention (#​28198).
    • Added CUDART_VERSION reduction compatibility in GQA attention (#​28296).
    • Fixed CUDA 13 build error in GQA unfused attention (#​28309).
    • PagedAttention fallback for SM<80 fp16 (#​28200).
  • MLAS updates:
    • FP16 Gelu enablement (#​26815).
    • Arm64 BF16 fast-math conv kernels for NCHW/NCHWc paths (#​27878).

WebGPU, WebNN, and JavaScript

... (truncated)

1.25.1

n.b. This changelog is LLM generated. Only the contributor listing has been verified.

ONNX Runtime Release 1.25.1

📢 Announcements & Breaking Changes

ONNX Op Updates

  • Enhanced ONNX operator support with new opset versions: Reshape (opset 25), Transpose (opset 24) (#​27752)

✨ New Features

📊 New ONNX Ops & Model Support

  • LinearAttention and CausalConvState operators for Qwen3.5 model support (#​27907)
  • RotaryEmbedding (RotEMB) and RMSNorm operators added (#​27752)
  • Linear Attention signature support (#​27842)

🌐 Web & JavaScript

WebGPU EP

  • Qwen3.5 model support on WebGPU execution provider (#​27996)
  • QMoE 1-token decode path optimization — fused operations to reduce GPU dispatches for improved performance (#​27998)

🐛 Bug Fixes

Core Runtime Fixes

  • Improved filesystem error messages during Linux device discovery for better debugging experience (#​27289)
  • Fixed missing include for SetRawDataInTensorProto in NVIDIA TensorRT RTX tests (#​28065)

🙏 Contributors

Thanks to our 7 contributors for this release:
@​guschmue, @​sanaa-hamel-microsoft, @​apsonawane, @​eserscor, @​ishwar-raut1, @​qjia7, @​theHamsta

Full Changelog: microsoft/onnxruntime@v1.25.0...v1.25.1

1.25.0

📢 Announcements & Breaking Changes

Build & Platform

  • C++20 is now required to build ONNX Runtime from source. Minimum toolchains: MSVC 19.29+, GCC 10+, Clang 10+. Users of prebuilt packages are unaffected. (#​27178)
  • CUDA minimum version raised to 12.0 — CUDA 11.x is no longer supported. Users pinned to CUDA 11.x should stay on ORT 1.24.x or upgrade their CUDA toolkit/driver. (#​27570)
  • ONNX upgraded to 1.21.0 (#​27601)
  • sympy is now an optional dependency for Python builds. (#​27200)

Execution Provider Changes

  • ArmNN EP has been removed. Users should remove any --use_armnn build flags and migrate to the MLAS/KleidiAI-backed CPU EP or QNN EP for Qualcomm hardware. (#​27447)

API Version

🔒 Security Fixes

  • Fixed potential integer truncation leading to heap out-of-bounds read/write (#​27544)
  • Addressed Pad Reflect vulnerability (#​27652)
  • Security fix for transpose optimizer (#​27555)
  • Upgraded minimatch 3.1.2 → 3.1.4 for CVE-2026-27904 (#​27667)
  • Hardened shell command handling for constant strings (#​27840)
  • Added validation of onnx::TensorProto data size before allocation (#​27547)
  • Cleaned up external data path validation (#​27539)
  • Fixed misaligned address reads for tensor attributes from raw data buffers (#​27312)
  • Fixed CPU Attention overflow issue (#​27822)
  • Fixed CPU LRN integer overflow issues (#​27886)
  • Additional input validation hardening:

✨ New Features

🔌 Execution Provider Plugin API & CUDA Plugin EP

... (truncated)

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@dependabot dependabot Bot added .NET Pull requests that update .NET code dependencies Pull requests that update a dependency file labels Jun 29, 2026
@flyingbertman

flyingbertman commented Jul 4, 2026

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@dependabot rebase

@dependabot dependabot Bot changed the title Bump the onnx-runtime group with 1 update Bump Microsoft.ML.OnnxRuntime from 1.24.4 to 1.27.0 Jul 4, 2026
@dependabot
Bump Microsoft.ML.OnnxRuntime from 1.24.4 to 1.27.0
cf11726 
---
updated-dependencies:
- dependency-name: Microsoft.ML.OnnxRuntime
  dependency-version: 1.27.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: onnx-runtime
...

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@dependabot dependabot Bot force-pushed the dependabot/nuget/onnx-runtime-b78d9ef290 branch from 237725a to cf11726 Compare July 4, 2026 11:49
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This pull request was built based on a group rule. Closing it will not ignore any of these versions in future pull requests.

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@dependabot dependabot Bot deleted the dependabot/nuget/onnx-runtime-b78d9ef290 branch July 4, 2026 14:10
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