We recommend using Amazon Lex V2 to take advantage of the latest features. Documentation for Amazon Lex V2 may be found here.
Document History for Amazon Lex
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Latest documentation update: September 9, 2021
The following table describes important changes in each release of Amazon Lex. For notification about updates to this documentation, you can subscribe to an RSS feed.
| Change | Description | Date |
|---|---|---|
Amazon Lex now supports the Korean (ko-KR) locale. For more information, see Languages supported by Amazon Lex. | September 9, 2021 | |
Amazon Lex now supports the English (Indian) locale. For more information, see Languages supported in Amazon Lex. | July 15, 2021 | |
Amazon Lex now provides a tool to migrate a bot to the Amazon Lex V2 API. For more information, see Migrating a bot. | July 13, 2021 | |
Amazon Lex now supports the Japanese (Japan) locale. For more information, see Languages supported by Amazon Lex. | April 1, 2021 | |
Amazon Lex now supports the German (German) (de-DE) and Spanish (Latin American) (es-419) locales. For more information, see Languages supported by Amazon Lex. | November 23, 2020 | |
Amazon Lex now supports using contexts to manage activating intents. For more information, see Setting Intent Context. | November 19, 2020 | |
Amazon Lex now supports the French (fr-FR), French Canadian (fr-CA), Italian (it-IT) and Spanish (es-ES) locales. For a complete list of supported locales, see Languages supported by Amazon Lex. | November 11, 2020 | |
Amazon Lex now supports the Spanish (US) (es-US) locale. For more information, see Languages supported by Amazon Lex. | September 22, 2020 | |
Amazon Lex now supports the English (British) (en-GB) locale. For more information, see Languages supported by Amazon Lex. | September 15, 2020 | |
Amazon Lex now supports the English (Australian) (en-AU) locale. For more information, see Languages supported by Amazon Lex. | September 8, 2020 | |
Amazon Lex now has 7 new built-in intents and 9 new built-in slot types. For more information, see Built-in Intents and Slot Types. | September 8, 2020 | |
Learn how to create an Amazon Lex bot that customer support agents can use to answer customer questions by searching for answers with Amazon Kendra. For more information, see Example: Call Center Agent Assistant. | August 10, 2020 | |
Amazon Lex can now return up to four alternative intents based on confidence scores. For more information, see Using Confidence Scores. | August 6, 2020 | |
Amazon Lex is now available in Asia Pacific (Tokyo) (ap-northeast-1). | June 30, 2020 | |
Amazon Lex now supports searching Amazon Kendra indexes for answers to frequently asked questions. For more information, see AMAZON.KendraSearchIntent. | June 11, 2020 | |
Amazon Lex now returns more information in conversation logs. For more information, see Viewing Text Logs in Amazon CloudWatch Logs. | June 9, 2020 | |
Amazon Lex is now available in Asia Pacific (Singapore) (ap-southeast-1) , Europe (Frankfurt) (eu-central-1), and Europe (London) (eu-west-2). | April 23, 2020 | |
Amazon Lex now supports tagging. You can use tagging to identify resources, allocate costs, and control access. For more information, see Tagging your Amazon Lex Resources. | March 12, 2020 | |
Amazon Lex now supports regular expressions for the AMAZON.AlphaNumeric built-in slot type. For more information, see AMAZON.AlphaNumeric. | February 6, 2020 | |
Amazon Lex can now log conversation information and obfuscate slot values in those logs. For more information, see Creating Conversation Logs and Slot Obfuscation. | December 19, 2019 | |
Amazon Lex is now available in Asia Pacific (Sydney) (ap-southeast-2). | December 17, 2019 | |
Amazon Lex is now HIPAA compliant. For more information, see Compliance Validation for Amazon Lex. | December 10, 2019 | |
Amazon Lex can now send user utterances to Amazon Comprehend to analyze the sentiment of the utterance. For more information, see Sentiment Analysis. | November 21, 2019 | |
Amazon Lex is now SOC compliant. For more information, see Compliance Validation for Amazon Lex. | November 19, 2019 | |
Amazon Lex is now PCI compliant. For more information, see Compliance Validation for Amazon Lex. | October 17, 2019 | |
Added support for adding a checkpoint to an intent so that you can easily return to the intent during a conversation. For more information, see Managing Sessions. | October 10, 2019 | |
Added support for the | October 3, 2019 | |
Amazon Lex enables you to manage session information for your bots. For more information, see Managing Sessions With the Amazon Lex API. | August 8, 2019 | |
Region expansion | Amazon Lex is now available in US West (Oregon) (us-west-2). | May 8, 2018 |
New feature | Added support for exporting and importing in Amazon Lex format. For more information, see Importing and Exporting Amazon Lex Bots, Intents, and Slot Types. | February 13, 2018 |
New feature | Amazon Lex now supports additional response messages for bots. For more information, see Responses. | February 8, 2018 |
Region expansion | Amazon Lex is now available in Europe (Ireland) (eu-west-1). | November 21, 2017 |
New feature | Added support for deploying Amazon Lex bots on Kik. For more information, see Integrating an Amazon Lex Bot with Kik. | November 20, 2017 |
New feature | Added support for new built-in slot types and request attributes. For more information, see Built-in Slot Types and Setting Request Attributes . | November 3, 2017 |
New feature | Added export to Alexa Skills Kit feature. For more information, see Exporting to an Alexa Skill. | September 7, 2017 |
New feature | Added synonym support for slot type values. For more information, see Custom Slot Types . | August 31, 2017 |
New feature | Added AWS CloudTrail integration. For more information, see Monitoring Amazon Lex API Calls with AWS CloudTrail Logs . | August 15, 2017 |
Expanded documentation | Added Getting Started examples for the AWS CLI. For more information, see https://docs.aws.amazon.com/lex/latest/dg/gs-cli.html | May 22, 2017 |
New guide | This is the first release of the Amazon Lex User Guide. | April 19, 2017 |
