---
name: speech-to-text-release-notes-hub
title: Release notes for IBM® Software Hub
description: Learn about features and changes that were included for each release and update of the product software.
last-updated: 2026-03-11
---

> ## Documentation Index
> The table of contents for this documentation set is at https://cloud.ibm.com/docs/speech-to-text?format=markdown
> The index for all IBM Cloud docs is at: https://cloud.ibm.com/docs/llms.txt
> Use these files to discover more information as needed.

# Release notes for IBM® Software Hub
{: #release-notes-hub}

Learn about features and changes that were included for each release and update of the product software.
{: shortdesc}

[IBM Software Hub]{: tag-teal}

This information applies only to instances of Watson Speech services that are installed on IBM® Software Hub. For information about releases and updates for managed deployments, see [Release notes for Speech to Text for IBM Cloud](https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-release-notes&format=markdown).
{: note}

For the list of known issues, see [Known issues and limitations for Watson Speech services](https://www.ibm.com/docs/en/software-hub/5.2.x?topic=issues-watson-speech-services){: external}.

## 27 February 2026 (Version 5.3.1)
{: #speech-services-hub-531-27feb2026}

Watson Speech services for IBM Software Hub is now available.

For a list of new features and fixes, see [What's new and changed in Watson Speech services](https://www.ibm.com/docs/en/software-hub/5.3.x?topic=new-watson-speech-services#fixlist__title__3){: external}

## 16 December 2025 (Version 5.3.0)
{: #speech-services-hub-530-16dec2025}

Watson Speech services for IBM Software Hub is now available.

For a list of new features and fixes, see [What's new and changed in Watson Speech services](https://www.ibm.com/docs/en/software-hub/5.3.x?topic=new-watson-speech-services#fixlist__title__4){: external}

## 29 October 2025 (Version 5.2.2)
{: #speech-services-hub-522-29oct2025}

Watson Speech services for IBM Software Hub is now available.

For a list of new features and fixes, see [What's new and changed in Watson Speech services](https://www.ibm.com/docs/en/software-hub/5.2.x?topic=new-watson-speech-services#fixlist__title__3){: external}

## 27 August 2025 (Version 5.2.1)
{: #speech-services-hub-521-27aug2025}

Watson Speech services for IBM Software Hub is now available.

For a list of new features and fixes, see [What's new and changed in Watson Speech services](https://www.ibm.com/docs/en/software-hub/5.2.x?topic=new-watson-speech-services#fixlist__title__4){: external}

## 11 June 2025 (Version 5.2.0)
{: #speech-services-hub-520-11june2025}

Watson Speech services for IBM Software Hub is now available.

For a list of new features and fixes, see [What's new and changed in Watson Speech services](https://www.ibm.com/docs/en/software-hub/5.2.x?topic=new-watson-speech-services#fixlist__title__5){: external}

## 30 April 2025 (Version 5.1.3)
{: #speech-services-hub-513-30april2025}

Watson Speech services for IBM Software Hub is now available.

For a list of new features and fixes, see [What's new and changed in Watson Speech services](https://www.ibm.com/docs/en/software-hub/5.1.x?topic=new-watson-speech-services#fixlist__title__3){: external}

## 26 March 2025 (Version 5.1.2)
{: #speech-services-hub-512-26march2025}

Watson Speech services for IBM Software Hub is now available.

For a list of new features and fixes, see [What's new and changed in Watson Speech services](https://www.ibm.com/docs/en/software-hub/5.1.x?topic=new-watson-speech-services#fixlist__title__4){: external}

## 26 February 2025 (Version 5.1.1)
{: #speech-services-hub-511-26february2025}

Watson Speech services for IBM Software Hub is now available.

For a list of new features and fixes, see [What's new and changed in Watson Speech services](https://www.ibm.com/docs/en/software-hub/5.1.x?topic=new-watson-speech-services#fixlist__title__5){: external}

## 11 December 2024 (Version 5.1.0)
{: #speech-services-hub-510-11december2024}

Watson Speech services for IBM Software Hub is now available.

For a list of new features and fixes, see [What's new and changed in Watson Speech services](https://www.ibm.com/docs/en/software-hub/5.1.x?topic=new-watson-speech-services#fixlist__title__6){: external}