Changes This release introduces new generative AI features in AWS Lex: Assisted Slot Resolution, Descriptive Bot Building, and Sample Utterance Generation. These features leverage large language models available through Amazon Bedrock to improve the bot builder and customer experiences.
Changes AWS Lex now supports selective log capture in conversation logs. When you enable this option within the conversation log settings, only the utterances that trigger intents and slots specified in session attributes will be logged.
Changes This release adds support for Lex Developers to view analytics for their bots.
Changes This release adds support for Lex Developers to create test sets and to execute those test-sets against their bots.
Changes AWS Lex now supports Network of Bots.
Changes Amazon Lex now supports new APIs for viewing and editing Custom Vocabulary in bots.
Changes This release introduces additional optional parameters promptAttemptsSpecification to PromptSpecification, which enables the users to configure interrupt setting and Audio, DTMF and Text input configuration for the initial and retry prompt played by the Bot
Changes This release is for supporting Composite Slot Type feature in AWS Lex V2. Composite Slot Type will help developer to logically group coherent slots and maintain their inter-relationships in runtime conversation.
Changes This release introduces a new feature to stop a running BotRecommendation Job for Automated Chatbot Designer.
Changes This release introduces support for enhanced conversation design with the ability to define custom conversation flows with conditional branching and new bot responses.
Changes This release introduces additional optional parameters "messageSelectionStrategy" to PromptSpecification, which enables the users to configure the bot to play messages in orderly manner.
Changes This release adds support for Custom vocabulary in Amazon Lex V2 APIs for model building. Customers can give Amazon Lex V2 more information about how to process audio conversations with a bot by creating a custom vocabulary in a specific language.
Changes Added support for grammar slot type in Amazon Lex. You can author your own grammar in the XML format per the SRGS specification to collect information in a conversation.
Changes This release introduces a new feature, Automated Chatbot Designer, that helps customers automatically create a bot design from existing conversation transcripts. The feature uses machine learning to discover most common intents and the information needed to fulfill them.
Changes Added support for Polly Neural TTS (NTTS) voices. Customers can choose between 'standard' and 'neural' for Polly Engine configuration per locale when creating or updating an Amazon Lex bot.
Changes Added configuration support for an Amazon Lex bot to provide fulfillment progress updates to users while their requests are being processed. See documentation for more details: https://docs.aws.amazon.com/lexv2/latest/dg/streaming-progress.html
Changes This release adds support for utterances statistics for bots built using Lex V2 console and APIs. For details, see: https://docs.aws.amazon.com/lexv2/latest/dg/monitoring-utterances.html
Changes Customers can now toggle the active field on prompts and responses.
Changes This release adds support for Multi Valued slots in Amazon Lex V2 APIs for model building
Changes Customers can now use resource-based policies to control access to their Lex V2 bots. This release adds APIs to attach and manage permissions for a bot or a bot alias. For details, see: https://docs.aws.amazon.com/lexv2/latest/dg/security_iam_service-with-iam.html
Changes This release adds support for exporting and importing Lex V2 bots and bot locales. It also adds validations to enforce minimum number of tags on Lex V2 resources. For details, see https://docs.aws.amazon.com/lexv2/latest/dg/importing-exporting.html
Changes This release adds support for Amazon Lex V2 APIs for model building.