v1.13.6

What's Changed

• Fix building android and java examples by @csukuangfj in #3866
• Fix using SPM in iOS examples by @csukuangfj in #3867
• Fix releasing dart packages by @csukuangfj in #3874
• Unify sherpa-onnx init API for Flutter and Dart CLI by @csukuangfj in #3875
• Expose the pyannote window shift ratio in the C API and language bindings by @JulianPscheid in #3870
• Add VAD+ASR Flutter examples by @csukuangfj in #3877
• Release v1.13.6 by @csukuangfj in #3879

Full Changelog: v1.13.5...v1.13.6

v1.13.5

What's Changed

• Re-export nemotron-3.5-asr-streaming-0.6b to ONNX by @csukuangfj in #3732
• Fix building Android KWS demo by @csukuangfj in #3733
• Refactor ONNX export script for nemotron-3.5-asr-streaming-0.6b by @csukuangfj in #3734
• Build a docker image to setup the QNN SDK environment by @csukuangfj in #3736
• Export nemotron-3.5-asr-streaming-0.6b to QNN by @csukuangfj in #3741
• Add Android shared-linking support to sherpa-onnx-sys by @willwade in #3739
• Fix build warnings by @csukuangfj in #3742
• Fix ScaleSilence copying past the pause interval when scale > 1 by @ekenberg in #3744
• Guard ScaleSilence against invalid silence scales by @ekenberg in #3745
• Align the silence scale range between Validate() and ScaleSilence by @ekenberg in #3747
• Export Moonshine ASR models to QNN by @csukuangfj in #3756
• Add C++ runtime for Moonshine ASR with QNN for Qualcomm NPU by @csukuangfj in #3758
• Upload vits-piper-pt_BR-cadu-medium to huggingface by @csukuangfj in #3763
• Fix uploading Piper TTS models by @csukuangfj in #3774
• Fix process abort when espeak-ng rejects the voice (e.g. invalid --kokoro-lang) by @ekenberg in #3749
• Fix dropped diacritics in Supertonic TTS text frontend by @bogdanr in #3750
• Add Fono to 'Projects using sherpa-onnx' by @bogdanr in #3775
• Allocate FireRedASR decoder KV cache by estimated need instead of max… by @Kn0688 in #3777
• Add maven examples for Java API by @csukuangfj in #3783
• Add Java API examples with gradle by @csukuangfj in #3784
• Fix greedy search decoding for Nemo streaming transducer by @csukuangfj in #3785
• Refactor building and testing Java API by @csukuangfj in #3786
• Fix adaptive KV cache for models with hard-coded cache length by @Kn0688 in #3787
• Add ten-vad Rust API example to remove silences from a file by @sportiz91 in #3778
• docs(rust): add FunASR Nano offline ASR example (#3210) by @stantheman0128 in #3772
• Fix use-after-free in async TTS progress callbacks by @kecoco16 in #3781
• Make the Pyannote segmentation window shift configurable by @JulianPscheid in #3769
• Print per-stage timing for offline speaker diarization in debug mode by @JulianPscheid in #3768
• Add Domia to the projects using sherpa-onnx by @kecoco16 in #3793
• Forward SessionConfig.-prefixed provider-config keys to Ort::SessionOptions::AddConfigEntry by @kecoco16 in #3792
• Fix macOS release code signatures by @LauraGPT in #3794
• Raise FireRedASR decode cap from 6 to 8 tokens/sec for fast speech by @Kn0688 in #3796
• Set FireRedASR default max_token_per_second to 8 by @Kn0688 in #3799
• Simplify build.gradle.kts for java api examples. by @csukuangfj in #3788
• Test Java API on Windows arm64 by @csukuangfj in #3801
• fix UB by @x6prl in #3806
• fix(tts): insert pad after BOS in PiperPhonemesToIdsVits (#3721) by @stantheman0128 in #3770
• Export Inflect TTS models to sherpa-onnx by @csukuangfj in #3808
• Add API to get onnxruntime version. by @csukuangfj in #3810
• Add Android demo for Inflect TTS by @csukuangfj in #3811
• Build Python wheels for Windows arm64 by @csukuangfj in #3812
• build(cmake): update spacemit-ort version by @xiaotong-spacemit in #3814
• Support swift package manager (SPM) by @csukuangfj in #3816
• Publish an android-x64 .NET runtime package by @kfrancis in #3818
• Fix non_streaming_server.py crash with --decoding-method modified_beam_search by @slipstr34m in #3819
• Fix process crash when --kokoro-voices is missing or empty (#3748) by @slipstr34m in #3820
• Fix streaming paraformer feature frontend drift from its training config by @slipstr34m in #3821
• Use SPM in iOS examples by @csukuangfj in #3822
• Fix iOS examples using swift package manager by @csukuangfj in #3823
• Add Paraformer Rust API example add rust paraformer example by @nati2405 in #3707
• Add missing files for swift package manager by @csukuangfj in #3828
• Set onnxruntime version to 1.27.1 in SPM by @csukuangfj in #3830
• Refactor building xcframework for macOS and iOS by @csukuangfj in #3831
• Support linking onnxruntime statically in xcframework with shared lib. by @csukuangfj in #3833
• Support using SPM for Flutter on macOS and iOS by @csukuangfj in #3835
• Fix building Python wheels on macOS by @csukuangfj in #3837
• Disable pthread support in WebAssembly. by @csukuangfj in #3836
• Fix Dart speaker diarization input buffer leak by @zhangheng2022 in #3838
• Fix offline Paraformer LFR boundary padding by @LauraGPT in #3839
• docs: add qwen-audio-agent to projects using sherpa-onnx by @x-lixu in #3841
• Add Flutter/Dart Web support via WebAssembly by @csukuangfj in #3842
• Build libs and Python wheels for CUDA 13 by @csukuangfj in #3844
• Add punctuation examples for Flutter by @csukuangfj in #3846
• Add Persian NeMo CTC ASR models (shenava koochik/rizeh/rizeh-pizeh) by @mah92 in #3825
• Add CI for Flutter punctuation examples by @csukuangfj in #3847
• Add emotion_id input to offline VITS TTS by @matiaslin in #3849
• Add support for latest DPDFNet models and offline attenuation limit by @danielr-ceva in #3824
• kotlin-api: validate native ptr after creation by @sigkillsdottir in #3851
• Use onnxruntime 1.27.1 for Linux aarch64 and Android by @yentur in #3850
• fix(asr): stop forcing lowercase in mic and ALSA display (#3621) by @stantheman0128 in #3771
• Add Flutter examples for VAD by @csukuangfj in #3856
• Fix Kotlin Syntax errors by @csukuangfj in #3860
• Update onnxruntime to v1.27.1 by @csukuangfj in #3861
• Fix float32 catastrophic cancellation in NemoNormalizePerFeature by @Eoin-Houstoun in #3857
• Fix float32 catastrophic cancellation in variance computation by @csukuangfj in #3862
• Release v1.13.5 by @csukuangfj in #3863

New Contributors

• @willwade made their first contribution in #3739
• @ekenberg made their first contribution in #3744
• @bogdanr made their first contribution in #3750
• @Kn0688 made their first contribution in #3777
• @sportiz91 made their first contribution in #3778
• @stantheman0128 made their first contribution in #3772
• @kecoco16 made their first contribution in #3781
• @LauraGPT made their first contribution in #3794
• @x6prl made their first contribution in #3806
• @xiaotong-spacemit made their first contribution in #3814
• @kfrancis made their first contribution in https://github.com/k2-fsa/sherpa-onnx/pull...

flutter

Web demos

Try the following demos directly in your browser:

Demo	URL
VAD from file	https://modelscope.cn/studios/csukuangfj/wasm-vad-from-file
VAD from microphone	https://modelscope.cn/studios/csukuangfj/wasm-vad-from-microphone
Offline punctuation restoration	https://modelscope.cn/studios/csukuangfj/wasm-offline-punctuation
Online punctuation restoration	https://modelscope.cn/studios/csukuangfj/wasm-online-punctuation

Downloadable assets

VAD from file

VAD model: Silero VAD

Platform	File
Android arm64	flutter-vad-from-file-arm64-v8a.apk
Android armv7	flutter-vad-from-file-armeabi-v7a.apk
Linux x64	flutter-vad-from-file-linux-x64.zip
macOS	flutter-vad-from-file-macos.zip
Web	flutter-vad-from-file-web.zip
Windows x64	flutter-vad-from-file-win-x64.zip
Android x86_64	flutter-vad-from-file-x86_64.apk

VAD from microphone

VAD model: Silero VAD

Platform	File
Android arm64	flutter-vad-from-microphone-arm64-v8a.apk
Android armv7	flutter-vad-from-microphone-armeabi-v7a.apk
Linux x64	flutter-vad-from-microphone-linux-x64.zip
macOS	flutter-vad-from-microphone-macos.zip
Web	flutter-vad-from-microphone-web.zip
Windows x64	flutter-vad-from-microphone-win-x64.zip
Android x86_64	flutter-vad-from-microphone-x86_64.apk

VAD + ASR from file

VAD model: Silero VAD

FireRed ASR CTC v2 (Chinese/English)

ASR model: sherpa-onnx-fire-red-asr2-ctc-zh_en-int8-2026-02-25 — download

Platform	File
Android arm64	flutter-vad-non-streaming-asr-from-file-firered-ctc-zh-en-arm64-v8a.apk
Android armv7	flutter-vad-non-streaming-asr-from-file-firered-ctc-zh-en-armeabi-v7a.apk
Linux x64	flutter-vad-non-streaming-asr-from-file-firered-ctc-zh-en-linux-x64.zip
macOS	flutter-vad-non-streaming-asr-from-file-firered-ctc-zh-en-macos.zip
Web	flutter-vad-non-streaming-asr-from-file-firered-ctc-zh-en-web.zip
Windows x64	flutter-vad-non-streaming-asr-from-file-firered-ctc-zh-en-win-x64.zip
Android x86_64	flutter-vad-non-streaming-asr-from-file-firered-ctc-zh-en-x86_64.apk

FunASR Nano (Chinese/English/Japanese)

ASR model: sherpa-onnx-funasr-nano-int8-2025-12-30 — download

Platform	File
Android arm64	flutter-vad-non-streaming-asr-from-file-funasr-nano-arm64-v8a.apk
Android armv7	flutter-vad-non-streaming-asr-from-file-funasr-nano-armeabi-v7a.apk
Linux x64	flutter-vad-non-streaming-asr-from-file-funasr-nano-linux-x64.zip
macOS	flutter-vad-non-streaming-asr-from-file-funasr-nano-macos.zip
Web	flutter-vad-non-streaming-asr-from-file-funasr-nano-web.zip
Windows x64	flutter-vad-non-streaming-asr-from-file-funasr-nano-win-x64.zip
Android x86_64	flutter-vad-non-streaming-asr-from-file-funasr-nano-x86_64.apk

Moonshine tiny (English)

ASR model: sherpa-onnx-moonshine-tiny-en-quantized-2026-02-27 — download

Platform	File
Android arm64	flutter-vad-non-streaming-asr-from-file-moonshine-en-arm64-v8a.apk
Android armv7	flutter-vad-non-streaming-asr-from-file-moonshine-en-armeabi-v7a.apk
Linux x64	flutter-vad-non-streaming-asr-from-file-moonshine-en-linux-x64.zip
macOS	flutter-vad-non-streaming-asr-from-file-moonshine-en-macos.zip
Web	flutter-vad-non-streaming-asr-from-file-moonshine-en-web.zip
Windows x64	flutter-vad-non-streaming-asr-from-file-moonshine-en-win-x64.zip
Android x86_64	flutter-vad-non-streaming-asr-from-file-moonshine-en-x86_64.apk

NeMo Parakeet TDT v2 (English)

ASR model: sherpa-onnx-nemo-parakeet-tdt-0.6b-v2-int8 — download

Platform	File
Android arm64	flutter-vad-non-streaming-asr-from-file-nemo-parakeet-v2-en-arm64-v8a.apk
Android armv7	flutter-vad-non-streaming-asr-from-file-nemo-parakeet-v2-en-armeabi-v7a.apk
Linux x64	[flutter-vad-non-streaming-asr-from-file-nemo-parakeet-v2-en-linux-x64.zip](https://github.com/k2-fsa/sherpa-onnx/releases/download/flutter/flutter-vad-non-streaming-asr-from-file-nem...

xcframework

Set onnxruntime version to 1.27.1 in SPM (#3830)

asr-models-qnn-binary-3

See also

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-2

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-3

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-binary

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-binary-2

asr-models-qnn-3

See also

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-2

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-binary

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-binary-2

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-binary-3

v1.13.4

What's Changed

• Fix releasing Dart iOS package by @csukuangfj in #3680
• Export Parakeet CTC models to QNN by @csukuangfj in #3686
• Add C++ runtime for Parakeet CTC with QNN. by @csukuangfj in #3688
• Build sdist in split-package mode so its metadata declares sherpa-onnx-core by @Eridanus117 in #3690
• Export Parakeet-TDT-CTC to QNN by @csukuangfj in #3692
• Export the transducer branch of parakeet-tdt-ctc to QNN by @csukuangfj in #3693
• Export Whisper models to QNN by @csukuangfj in #3697
• add project: Add SmartSub application details to README.md by @buxuku in #3698
• Add C++ runtime for Whisper with Qualcomm NPU using QNN. by @csukuangfj in #3699
• Fix building with ninja by @csukuangfj in #3702
• Fix #3171 : 去掉生成绝对路径函数中的窄字符WindowsAPI调用，改用宽字符API和C++17 std::filesystem来避免win平台中文路径问题 by @XiaoBaiCanDo in #3255
• Fix installing espeak-ng-data directory by @csukuangfj in #3708
• Remove spaces right before a punctuation in ASR result by @csukuangfj in #3709
• Fix file related operations on Windows by using wide characters by @csukuangfj in #3710
• Remove leading spaces from ASR results by @csukuangfj in #3711
• Update onnxruntime to 1.27.0 by @csukuangfj in #3718
• Export Parakeet TDT models to QNN by @csukuangfj in #3719
• Add C++ runtime for Parakeet TDT models with QNN by @csukuangfj in #3720
• Export nemotron-speech-streaming-en-0.6b to QNN by @csukuangfj in #3725
• Add C++ runtime for nemotron-speech-streaming-en-0.6b with QNN by @csukuangfj in #3728
• Add ApplyHomophoneReplacer in OfflineRecognizerQwen3ASRImpl by @csukuangfj in #3729
• Support per-stream hotwords in the JavaScript (node-addon) API for non-streaming ASR by @cmurrayis in #3723
• Release v1.13.4 by @csukuangfj in #3730

New Contributors

• @Eridanus117 made their first contribution in #3690
• @buxuku made their first contribution in #3698
• @XiaoBaiCanDo made their first contribution in #3255
• @cmurrayis made their first contribution in #3723

Full Changelog: v1.13.3...v1.13.4

asr-models-qnn-binary-2

See also

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-3
• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-2
• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn
• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-binary
• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-binary-3

asr-models-qnn-2

See also

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-3

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-binary

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-binary-2

• https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models-qnn-binary-3

v1.13.3

What's Changed

• Add JavaScript API example for Supertonic3 TTS by @csukuangfj in #3614
• Update Spacemit toolchain download URL and centralize versioning by @alex-spacemit in #3618
• docs: add React Native sherpa-onnx wrapper by @abretonc7s in #3615
• Add async TTS examples, LinearResampler API, and use node-cpal for microphone by @csukuangfj in #3623
• Improve C/C++ API documentation, examples, and CI by @csukuangfj in #3626
• Add doc for Python API by @csukuangfj in #3627
• Fix heap-buffer-overflow in TopkIndex when topk > size by @suykerbuyk in #3628
• build: allow overriding ONNX Runtime for mobile by @abretonc7s in #3617
• Update VoxSherpa TTS link for stable APK releases by @CodeBySonu95 in #3648
• Add streaming zipformer transducer for Qualcomm NPU with QNN. by @csukuangfj in #3645
• Export streaming zipformer transducer to QNN by @csukuangfj in #3653
• Add Android demo for streaming zipformer transducer ASR with QNN by @csukuangfj in #3654
• Upload X-ASR non-streaming zipformer transducer models by @csukuangfj in #3656
• Fix generating subtitles for funasr nano by @csukuangfj in #3659
• Support non-streaming Zipformer transducer for Qualcomm NPU with QNN. by @csukuangfj in #3655
• Support streaming zipformer transducer ASR for QNN. by @csukuangfj in #3660
• Export X-ASR models to sherpa-onnx by @csukuangfj in #3662
• Add a Whisper example for the Rust API by @WuYujie666 in #3661
• Export X-ASR models to QNN by @csukuangfj in #3666
• Add Android demo with QNN for Streaming X-ASR. by @csukuangfj in #3668
• Add offline CATT diacritization (encoder only) by @matiaslin in #3647
• Add Android QNN demo for non-streaming zipformer with Reazonspeech by @csukuangfj in #3670
• Add OfflineDiacritization JAVA bindings by @matiaslin in #3669
• Add multilingual Nemotron-3.5 streaming ASR support by @JulianPscheid in #3671
• Update iOS to use onnxruntime 1.26.0 by @csukuangfj in #3678
• Release v1.13.3 by @csukuangfj in #3679

New Contributors

• @abretonc7s made their first contribution in #3615
• @WuYujie666 made their first contribution in #3661
• @JulianPscheid made their first contribution in #3671

Full Changelog: v1.13.2...v1.13.3