Fixes

Fixed failure to generate transcripts for a small number of stereo files when one channel contains leading silence.

• Resolves the following tickets: 32372

• Bug introduced in release version: 2026.04.23

Version 15.7.0 is now available for Batch Container, Real-Time Container, GPU Transcription Inference Container and GPU Translation Inference Container.

New

GPU & CPU

• HTTP Batch Transcription – Processes multiple jobs using persistent workers, reducing turnaround time and improving CPU/GPU utilization. See the documentation for more details.

Improvements

GPU

• New model (Enhanced Operating Point) for English (en) improves accuracy across:

  • Numbers, spellouts, and other alphanumerics

  • Medical measurements and terminology

  • Mixed spoken alphanumeric sequences of numbers and characters

  • Character sequences, for example spell outs of names or abbreviations

  • Formatting consistency for letter sequences, now returned as upper case letters

  • Email addresses and web URLs

  • Large and compound monetary amounts

• Improved accuracy at low latency when using ForceEndOfUtterance

Updates

GPU

• Updated Japanese (ja) model for Enhanced Operating Point

Security fixes

Vulnerability Management

• Software Bill of Materials (SBOM) is available for download from the corresponding release page in our Support Portal.

• libgstreamer (CVE-2025-3887): This component has been manually patched to address CVE-2025-3887. Note: Security scanners may still flag this component as vulnerable because the base version string remains unchanged

Improvements

• New model (Enhanced Operating Point) for English (en) improves accuracy across:

  • Medical measurements and terminology

  • Mixed spoken alphanumeric sequences of numbers and characters

  • Character sequences, for example spell outs of names or abbreviations

  • Formatting consistency for letter sequences, now returned as upper case letters

  • Email addresses and web URLs

  • Large and compound monetary amounts

• Improved accuracy at low latency when using ForceEndOfUtterance

Updates

• Updated Japanese (ja) model for Enhanced Operating Point

Improvements

New model (Enhanced Operating Point) for English (en) improves accuracy across:

• Medical measurements and terminology

• Mixed spoken alphanumeric sequences of numbers and characters

• Character sequences, for example spell outs of names or abbreviations

• Formatting consistency for letter sequences, now returned as upper case letters

• Email addresses and web URLs

• Large and compound monetary amounts

Updates

Updated Japanese (ja) model for Enhanced Operating Point

Improvements

New model (Enhanced Operating Point) for English (en) improves accuracy across numbers, spellouts, and other alphanumerics.

Improvements

• Faster processing for audio files up to 12 minutes when using a custom dictionary.

  • Supported languages: Arabic, Catalan, Dutch, English, French, German, Greek, Hebrew, Hindi, Japanese, Norwegian, Persian, Portuguese, Russian, Spanish, and Swedish.

• New model (Enhanced Operating Point) for English (en) improves accuracy across numbers, spellouts, and other alphanumerics.

Updates

• Enables repopulation to automatically restore cluster state in the event of Redis data loss.

• Supports language and operating-point based model cost generation for the custom inference server recipe. Refer to the sm-realtime Helm chart README.md for configuration details.

• Updates Realtime container version to 15.0.0. For more information, see the 15.0.0 container release notes.

Security fixes

Vulnerability Management

• Software Bill of Materials (SBOM) is available for download from the corresponding release page in our Support Portal.

• libgstreamer (CVE-2025-3887): This component has been manually patched to address CVE-2025-3887. Note: Security scanners may still flag this component as vulnerable because the base version string remains unchanged

• Redis versioning: This release by default uses Redis version 8.2.1 with publicly disclosed security vulnerabilities (CVEs) that have been assessed to not impact this product. Users who require additional security controls or remediation for these CVEs can choose to deploy a different Redis version which remediates issues of concern.

Non-Applicable CVEs

The following vulnerabilities (including those reported for the third-party package Redis version) were reviewed and determined to have no security impact on this release due to specific configurations or the use of closed, trusted environments:

New

GPU & CPU

• Word Replacement - Enables words in the transcript to be modified using a search and replace pattern. Refer to documentation here for details.

• Supports the prefer_current_speaker configurable parameter to reduce the likelihood of incorrectly switching between similar sounding speakers. Refer to documentation for more details.

• Supports End of Utterance feature. When enabled, this helps detect the end of turn in a conversation. This can benefit use cases such as Voice Agents, dictation and translation, reducing latency. Refer to the documentation for more details.

• Supports speaker_sensitivity parameter to configure the sensitivity of speaker detection. Refer to documentation for more details.

• New Tagalog language is now available. Supports code-switching between Filipino and English for bilingual speech

GPU

• Channel diarization – Enables perfect speaker separation when there is one speaker per channel. Refer to documentation here for details

• Channel and Speaker diarization – Enables separation of multiple speakers per channel. Refer to documentation here for details

• Force end of utterance – Enables the client to force finalise transcription at the end of speech for faster finals (200ms), ideal when using external VAD or turn detection models for voice agents. Refer to documentation here for details

• Standard and Enhanced operating point

  • New bilingual transcription languages: Malay English (en_ms), Tamil English (en_ta), Mandarin English (cmn_en), Arabic English (ar_en). Refer to documentation here for details.

  • New Multilingual transcription language pack Mandarin Malay Tamil English (cmn_en_ms_ta) available now. Refer to the documentation for more details.

• Enhanced operating point

  • New medical domain-specific models for Danish, Dutch, English, Finnish, French, German, Norwegian, Spanish and Swedish giving the highest accuracy for healthcare use cases. Refer to the documentation for more details.

Improvements

GPU & CPU

• Speaker Diarization – Improved speaker change detection accuracy for long audio streams (1+ hours)

GPU

• Significant increase in session density for GPU inference.

• Standard Operating Point

  • Enables faster transcription and higher throughput, refer to the documentation for more details

  • New models released with notable accuracy uplifts for the below languages:

    Domain	Language	Relative Improvement
    General	Belarusian	68.9%
    General	Bulgarian	13.1%
    General	Catalan	57.5%
    General	Croatian	5.0%
    General	Czech	3.4%
    General	Danish	34.3%
    General	Esperanto	37.9%
    General	Estonian	5.1%
    General	Persian	9.7%
    General	Finnish	38.8%
    General	French	3.1%
    General	Galician	85.4%
    General	Greek	7.2%
    General	Hebrew	2.1%
    General	Hindi	9.3%
    General	Hungarian	15.8%
    General	Indonesian	19.1%
    General	Japanese	2.1%
    General	Korean	17.1%
    General	Latvian	25.1%
    General	Lithuanian	11.2%
    General	Malay	4.2%
    General	Marathi	28.8%
    General	Mongolian	19.6%
    General	Norwegian	18.5%
    General	Polish	2.0%
    General	Romanian	8.5%
    General	Slovak	4.1%
    General	Slovenian	9.8%
    General	Swedish	5.4%
    General	Thai	22.1%
    General	Turkish	33.2%
    General	Ukrainian	29.9%
    General	Urdu	16.1%
    General	Vietnamese	110.9%
    General	Welsh	20.3%

• Enhanced Operating Point

  • New models for English with improved accuracy in transcribing initialisms

  • New models released with notable accuracy uplifts for the below languages:

    Domain	Language	Relative Improvement
    General	Danish	20.6%
    General	Dutch	16.0%
    General	Spanish	4.1%
    General	Finnish	31.0%
    General	French	2.1%
    General	Interlingua	8.7%
    General	Japanese	5.8%
    General	Malay	6.8%
    General	Maltese	5.5%
    General	Norwegian	9.3%
    General	Swedish	10.4%
    General	Uyghur	8.0%

CPU

• Standard Operating Point

  • New models released with notable accuracy uplifts for the below languages:

    Domain	Language	Relative Improvement
    General	Belarusian	61.3%
    General	Bosnian	12.2%
    General	Bulgarian	6.4%
    General	Catalan	19.9%
    General	Welsh	5.4%
    General	Danish	2.8%
    General	Esperanto	43.9%
    General	Greek	4.1%
    General	Persian	5.9%
    General	Finnish	40.9%
    General	Galician	64.3%
    General	Irish	3.1%
    General	Hindi	4.0%
    General	Interlingua	24.9%
    General	Korean	7.6%
    General	Latvian	4.2%
    General	Malay	2.9%
    General	Maltese	3.5%
    General	Mongolian	19.4%
    General	Marathi	11.1%
    General	Norwegian	4.1%
    General	Romanian	2.7%
    General	Swedish	5.3%
    General	Thai	10.1%
    General	Ukrainian	19.3%
    General	Vietnamese	15.1%

• Enhanced Operating Point

  • Improved Speaker Diarization accuracy for Enhanced Operating Point

  • New models released with notable accuracy uplifts for the below languages:

  Domain	Language	Relative Improvement
  General	Belarusian	61.7%
  General	Bosnian	8.7%
  General	Bulgarian	7.4%
  General	Catalan	6.2%
  General	Welsh	3.3%
  General	Danish	27.4%
  General	Greek	3.2%
  General	Esperanto	41.8%
  General	Persian	4.7%
  General	Finnish	55.0%
  General	French	4.5%
  General	Irish	5.7%
  General	Galician	72.8%
  General	Hindi	3.1%
  General	Interlingua	35.1%
  General	Korean	4.1%
  General	Latvian	3.1%
  General	Mongolian	21.4%
  General	Marathi	12.4%
  General	Dutch	12.9%
  General	Norwegian	11.7%
  General	Swedish	5.9%
  General	Thai	7.0%
  General	Ukrainian	18.7%
  General	Uyghur	2.0%
  General	Vietnamese	20.1%

Fixes

• Fix failure to process some audio files starting with non-speech audio when speaker diarization is enabled.

• Fix for failure to generate Final transcripts for numbers when punctuation is disabled.

• Fix for Japanese to address decimals being occasionally transcribed as full stops.

• Fix for number formatting in Malay & English bilingual (en_ms) and Tamil & English bilingual (en_ta) language packs

  • Resolves the following tickets: 30055

• Fix for incorrect casing in Japanese (ja) transcription output

  • Resolves the following ticket: 28276

• Fixed a session failure when a custom dictionary’s first item is only a hyphen.

Security fixes

Vulnerability Management

• A Software Bill of Materials (SBOM) is available for download from the corresponding release page in our Support Portal.

• libgstreamer (CVE-2025-3887): This component has been manually patched to address CVE-2025-3887. Note: Security scanners may still flag this component as vulnerable because the base version string remains unchanged

Non-Applicable CVEs

The following vulnerabilities were reviewed and determined to have no security impact on this release due to specific configurations or the use of closed, trusted environments: