## Deprecations: - Support for the Completions API for custom LLMs has been deprecated. The full removal of this support is planned for December 2026. Refer to your [LLM provider’s reference](https://docs.cognigy.com/ai/agents/develop/gen-ai-and-llms/providers/all-providers) to switch to the appropriate API before the removal date. - Support for Google’s `gemini-2.0-flash` and `gemini-2.0-flash-lite` models has been deprecated. The full removal of this support is planned for June 1, 2026. Switch to the newer models, such as `gemini-2.5-flash` and `gemini-2.5-flash-lite`, before the removal date. ## 2026.6.4 ### Cognigy.AI **Released** April 17, 2026 #### Bug Fixes - Fixed the issue where users couldn’t access the Simulator in a Project due to an internal infrastructure error. ## 2026.6.3 ### Cognigy.AI **Released** April 7, 2026 #### Bug Fixes - Fixed the connection between Cognigy.AI and Voice Gateway, ensuring Mute Speech Input prevents speech barge-in. This update complements the fix from [Voice Gateway patch 2026.6.2](https://docs.cognigy.com/release-notes/2026.6#2026-6-2). To resolve this issue, make sure you update Cognigy.AI to this version and Voice Gateway to 2026.6.2. ## 2026.6.2 ### Cognigy.AI **Released** March 25, 2026 #### Improvements - [Added redaction limit](https://docs.cognigy.com/ai/platform-features/data-redaction#limitations). Log entries with `data` payloads over 2.5 MB are no longer redacted and now show a placeholder message. - Improved internal log redaction for PCI compliance. ### Cognigy Voice Gateway **Released** April 7, 2026 #### Bug Fixes - Fixed the issue where activating the Mute Speech Input setting didn’t prevent speech barge-in. ## 2026.6.1 ### Cognigy.AI **Released** March 18, 2026 #### Bug Fixes - Fixed the service configuration to ensure correct deployment and operation. ### Cognigy Voice Gateway **Released** March 31, 2026 #### Bug Fixes - Fixed the issue on the Login page in the Voice Gateway Self-Service Portal. The page displayed v2026.5.x as the current version even after the v2026.6.0 release. Now, the page displays the correct version. ## 2026.6.0 ### Cognigy.AI **Released** March 17, 2026 #### Features ##### New Multimodal Agent Widget: Click To Call [Click To Call](https://docs.cognigy.com/click-to-call/overview) lets you easily embed a widget in your website or build a custom application that connects to a voice AI Agent for multimodal communication. With Click To Call, users can talk to your AI Agents directly from your website or application with a single click. ##### New Models from OpenAI and Microsoft Azure OpenAI Introduced [support](https://docs.cognigy.com/ai/agents/develop/gen-ai-and-llms/model-support-by-feature) for the `gpt-5-1` model from [OpenAI](https://docs.cognigy.com/ai/agents/develop/gen-ai-and-llms/providers/openai) and [Microsoft Azure OpenAI](https://docs.cognigy.com/ai/agents/develop/gen-ai-and-llms/providers/microsoft-azure-openai). ##### New Models from Anthropic Introduced [support](https://docs.cognigy.com/ai/agents/develop/gen-ai-and-llms/model-support-by-feature) for the `claude-sonnet-4-6` model from [Anthropic](https://docs.cognigy.com/ai/agents/develop/gen-ai-and-llms/providers/anthropic). #### Improvements - Added a [Language Configuration toggle](https://docs.cognigy.com/release-notes/2026.6#2-speaking-style) to the AI Agent wizard to stop automatic language detection and prevent unintended switching. - Added OAuth2 authentication support to the Cognigy.AI API. - Deactivated Knowledge Connector actions when the required Extension is missing. - Added an error message when LLMs reach the token limit. - Added a safety context preamble to Simulator prompts, reducing content policy errors when using Azure OpenAI with personas or missions that contain terms flagged by Azure’s content management filters. - Removed the beta tag from the Data Redaction settings section. - Renamed the Sentences API tag to Example Sentences for clarity. #### Bug Fixes - Fixed the issue where the Management UI flickered when users were navigating between pages and scrolling content. - Fixed the issue where the error message caused by LLMs reaching the token limit didn’t provide the correct information. - Fixed the issue where the Save button in the schedule configuration in the Simulator remained inactive without displaying any validation error message. - Fixed the issue where the `sourceName` value for scheduled sources in the Input object included the `_scheduled` postfix. - Fixed the issue where uploading Snapshots to Projects that didn’t include a global LLM caused cache issues. - Fixed the issue where setting the maximum tokens above 4000 in the LLM Prompt Node for Microsoft Azure OpenAI’s `gpt-4o` and `gpt-4o-mini` models threw an error, and similar limits for Anthropic’s `claude-opus-4-0, claude-sonnet-4-0` and AWS Bedrock’s `claude-3-5-sonnet` models. - Fixed the issue where setting the Transcript Turns parameter to 0 in the LLM Prompt Node transcript didn’t have any effect. - Fixed the issue where Interaction Panel calls dropped if there was a Set Session Config Node in the Flow setting Microsoft provided by NiCE as TTS or STT vendor. - Fixed the issue where the wrong schedule date was displayed for Knowledge syncs when scheduling was previously deactivated. - Fixed the issue where the legacy `privacy_policy` option was displayed in the Profile Schema field in the Update Profile Node. - Fixed the issue preventing the import of Packages with Knowledge Chunks created using custom models. - Fixed the issue where the Last Edited columns on the Connector Configuration displayed edits that didn’t take place. - Fixed the issue where the Knowledge Connectors didn’t work in trial environments. - Fixed the issue where the error responses for the `POST /persona/from-script/` API method used `message` instead of `detail` and didn’t provide the correct data. ### Cognigy Voice Gateway **Released** March 17, 2026 #### Bug Fixes - Fixed the issue where the Register status wasn’t updated correctly on the Carrier page in the Voice Gateway Self-Service Portal due to a race condition in the outbound authentication process. ### Cognigy Live Agent **Released** March 17, 2026 #### Bug Fixes - Fixed the issue where the avatar image wasn’t aligned properly. - Fixed the issue where notifications for conversations escalated to supervisors weren’t translated. ### Cognigy Insights **Released** March 17, 2026 #### Improvements - Redesigned the search logic in the Transcript Explorer to improve filtering and sorting against data in MongoDB. - Removed the default `order-by` condition in the OData query. - Added a lower timestamp bound to optimize deletion queries and avoid timeout errors. #### Bug Fixes - Fixed the issue where sorting and filtering in the Transcript Explorer didn’t work correctly. - Fixed the issue where the `PATCH /v2.0/analytics` API method failed while updating the PostgreSQL records due to a schema mismatch. - Fixed the issue where the `GET /v2.0/conversations` API method didn’t work correctly and returned missing, incorrect, or `null` rating values. - Fixed the issue where messages sent through the WhatsApp Endpoint weren’t displayed in the Transcript Explorer when the payload didn’t contain top-level text. ### Infrastructure #### Version Compatibility Matrix The version compatibility matrix was updated for the following Cognigy products: - [Cognigy.AI, Insights, and Agent Copilot](https://docs.cognigy.com/ai/administer/installation/version-compatibility-matrix) - [Cognigy Live Agent](https://docs.cognigy.com/live-agent/installation/deployment/version-compatibility-matrix) - [Cognigy Voice Gateway](https://docs.cognigy.com/voice-gateway/installation/version-compatibility-matrix) Last modified on April 17, 2026.