End of support notice: On September 15, 2025, AWS will discontinue support for Amazon Lex V1. After September 15, 2025, you will no longer be able to access the Amazon Lex V1 console or Amazon Lex V1 resources. If you are using Amazon Lex V2, refer to the Amazon Lex V2 guide instead. .
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 |
