> ## Documentation Index > Fetch the complete documentation index at: https://docs.cognigy.com/llms.txt > Use this file to discover all available pages before exploring further. # 4.50 - Happy World Password Day 🔑 *Unlock the power of Cognigy: Stay secure with our latest updates on World Password Day!* Starting with [v4.48](https://docs.cognigy.com/release-notes/4.48/), Cognigy.AI and Cognigy Insights fully support MongoDB 5. From our first release in July, we will no longer support MongoDB 4.4 and earlier versions. ## 4.50.2 ### Cognigy.AI **Released** May 11, 2023 #### Bug Fixes * Fixed the issue where messages would appear as null or undefined when sending a structured content message to a human agent ## 4.50.1 ### Cognigy.AI **Released** May 9, 2023 #### Bug Fixes * Fixed the issue that could cause the size of Snapshots to increase ### Cognigy Voice Gateway **Released** May 9, 2023 #### Bug Fixes * Fixed the issue where the TLS protocol was not automatically reestablishing a connection when the initial connection was terminated after a period of 2 minutes * Fixed the issue where custom SIP Headers for `REFER` were being modified ## 4.50.0 ### Cognigy.AI **Released** May 4, 2023 #### Improvements * Added the [8x8 Endpoint](/ai/agents/deploy/endpoint-reference/8x8) and the [8x8 handover provider](/ai/escalate/handover-reference/8x8) * Added a progress indicator for snapshot download * Improved by sending an email out once a user is added to a Cognigy project via [Access control](/ai/administer/access/admin-center/access-control) or [Members](/ai/administer/access/members) * Added the default favicon to the xApp page, changing the default page title from "App Shell Page" to "xApp" and allowing users to customize the favicon and page title in the [xApp: Init Session Node](/ai/agents/develop/node-reference/xApp/init-xApp-session) * Disabled snapshot creation buttons when a limit is exceeded #### Bug Fixes * Fixed the issue of [limiting the number of characters](/ai/for-developers/code/overview#limitations) allowed in the Code Node editor * Fixed the issue where the lexicon with the name of slots, keyphrases, or synonyms starting with a number could not be exported * Fixed the error message displayed when exporting a lexicon with the name of a synonym starting with an invalid character * Fixed the issue where setting the xApp state would fail * Fixed the issue where xApps from different or copied Flows in the Interaction Panel chat could not switch Flows when submitting data in the Interaction Panel or Flow Builder * Fixed the issue where the xApp payload was not being submitted when using the Voice Preview test call from the Interaction Panel to communicate with the Flow ### Cognigy Insights **Released** May 4, 2023 #### Bug Fixes * Fixed the issue where the Contact Profile information in Transcript Explorer was loaded incorrectly * Fixed the issue where the Transferred Calls Rate query would show completed transfers ### Cognigy Live Agent **Released** May 4, 2023 #### Bug Fixes * Fixed the issue where a conversation could be reopened after it was resolved or abandoned * Fixed the issue where queries produced errors when using Live Agent OData with Excel, specifically related to `ui_settings`, `custom_attributes`, `content_attributes`, and `external_source_ids` * Fixed the issue where text from a Private Note was being automatically copied to the Reply to User tab * Fixed the issue with the filtering functionality in the Filter Conversations window of the Inbox * Removed the error message for changing the status of closed or abandoned conversations ### Cognigy Voice Gateway **Released** May 4, 2023 #### Features * Added the [Transcribe section](/ai/agents/develop/node-reference/voice/voice-gateway/transfer) with Speech Recognizer options and Audio Stream selection to the Voice Gateway Transfer Node #### Bug Fixes * Fixed the issue in the Voice Gateway Self-Service Portal where the test for creating a Speech Provider would resolve to an empty error * Fixed the issue in the Voice Gateway Self-Service Portal where users could not see the API key before saving when creating a Speech Provider * Fixed the issue where `call_completed` event payload in the Voice Gateway Endpoint was not correct ### Infrastructure #### 8x8 Endpoint and 8x8 Handover provider Starting from this release, the 8x8 Endpoint and 8x8 handover provider will no longer be hidden behind the organization-based feature flag. They will be available by default, and the `FEATURE_USE_8X8_ENDPOINT_WHITELIST` feature flag will be removed and will no longer have any effect.