# kong 3.9.1

- Product: kong (https://whatsnew.fyi/product/kong)
- Vendor: Kong
- Date: 2025-06-04
- Version: 3.9.1
- Original notes: https://github.com/Kong/kong/releases/tag/3.9.1
- Permalink: https://whatsnew.fyi/product/kong/releases/3.9.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **changed** — Bumped libexpat from 2.6.2 to 2.6.4 to fix a crash in the XML_ResumeParser function caused by XML_StopParser stopping an uninitialized parser
- **changed** — Bump lua-kong-nginx-module from 0.13.0 to 0.13.2
- **added** — Added support for boto3 SDKs for the Bedrock provider, and for Google GenAI SDKs for the Gemini provider in ai plugin
- **added** — Added support for the new Ollama streaming content type in AI driver
- **fixed** — Fixed a bug in the Azure provider where model.options.upstream_path overrides would always return a 404 error
- **fixed** — Fixed a bug where Azure streaming responses would be missing individual tokens
- **fixed** — Fixed a bug where response streaming in Gemini and Bedrock providers was returning whole chat responses in one chunk
- **fixed** — Fixed a bug where multimodal requests in OpenAI format would not transform properly when using the Gemini provider
- **fixed** — Fixed Gemini streaming responses getting truncated and/or missing tokens
- **fixed** — Fixed an incorrect error thrown when trying to log streaming responses
- **fixed** — Fixed an issue where tool calls weren't working in streaming mode for the Bedrock and Gemini providers
- **fixed** — Fixed an issue where AI Proxy would use corrupted plugin config
- **fixed** — Fixed preserve mode
- **fixed** — Fixed AI upstream URL trailing being empty
- **fixed** — Fixed an issue where the template wasn't being resolved correctly and supported nested fields

###### Kong


###### Dependencies
###### Core

- Bumped libexpat from 2.6.2 to 2.6.4 to fix a crash in the XML_ResumeParser function caused by XML_StopParser stopping an uninitialized parser.
 [#14208](https://github.com/Kong/kong/issues/14208)

- Bump lua-kong-nginx-module from 0.13.0 to 0.13.2
 [#14047](https://github.com/Kong/kong/issues/14047)


###### Features
###### Plugin

- **ai**: Added support for boto3 SDKs for the Bedrock provider, and for Google GenAI SDKs for the Gemini provider.
 [#14579](https://github.com/Kong/kong/issues/14579)


###### Fixes
###### Core

- Added support for the new Ollama streaming content type in AI driver.
 [#14579](https://github.com/Kong/kong/issues/14579)

###### Plugin

- **ai-proxy**: Fixed a bug in the Azure provider where `model.options.upstream_path` overrides would always return a 404 error.
 [#14185](https://github.com/Kong/kong/issues/14185)

- **ai-proxy**: Fixed a bug where Azure streaming responses would be missing individual tokens.
 [#14172](https://github.com/Kong/kong/issues/14172)

- **ai-proxy**: Fixed a bug where response streaming in Gemini and Bedrock providers was returning whole chat responses in one chunk.
 [#14579](https://github.com/Kong/kong/issues/14579)


- **ai-proxy**: Fixed a bug where multimodal requests (in OpenAI format) would not transform properly, when using the Gemini provider.
 [#14579](https://github.com/Kong/kong/issues/14579)


- **ai-proxy**: Fixed Gemini streaming responses getting truncated and/or missing tokens.
 [#14579](https://github.com/Kong/kong/issues/14579)


- **ai-proxy**: Fixed an incorrect error thrown when trying to log streaming responses.
 [#14579](https://github.com/Kong/kong/issues/14579)


- **ai-proxy**: Fixed a issue where tool calls weren't working in streaming mode for the Bedrock and Gemini providers.
 [#14579](https://github.com/Kong/kong/issues/14579)


- **ai-proxy**: Fixed an issue where AI Proxy would use corrupted plugin config.
 [#14579](https://github.com/Kong/kong/issues/14579)


- **ai-proxy**: Fixed preserve mode.
 [#14579](https://github.com/Kong/kong/issues/14579)


- **AI Plugins**: Fixed AI upstream URL trailing being empty.
 [#14578](https://github.com/Kong/kong/issues/14578)


- **AI Plugins**: Fixed an issue where the template wasn't being resolved correctly and supported nested fields.
 [#14579](https://github.com/Kong/kong/issues/14579)