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Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[6.0.0] - 2024-06-07

Added

  • Integration with Amazon Bedrock
  • Integration with Amazon Bedrock Knowledge Base
  • Enabled Fine Grain Access Control in Amazon OpenSearch Service by default. A new OpenSearchFineGrainAccessControl CloudFormation parameter has been added
  • Content Designer UI improvements (grouped fields)
  • Anonymized operational metrics
  • Enabled Kendra based authentication utilizing QnABot idToken. A new AltSearchKendraIndexAuth CloudFormation parameter has been added (PR #513) - contributed by (@JasonHammett)

Updated

  • Migrated AWS JavaScript SDK from v2 to v3 for Amazon Lex Web UI Integration
  • Upgraded Amazon OpenSearch Service domain from 1.3 to 2.11 unlocking features such as snapshot management via OpenSearch Dashboards (for more information see Amazon OpenSearch release history)
  • Renamed Elasticsearch to Opensearch and Kibana to OpenSearch Dashboards
  • Migrated from ElasticSearch client to OpenSearch client
  • Changed SageMaker LLM model from Falcon-40b to Llama-2-13b-chat and Sagemaker embedding model intfloat/e5-large-v2 now uses the Jumpstart version of the model
  • Removed the cloudformation parameter Encryption to prevent disabling of Amazon OpenSearch Service domain and Amazon S3 encryptions
  • Updated Amazon OpenSearch Service domain minimum TLS policy to 1.2
  • Rewrote and migrate S3 object deletion custom resources from JavaScript to Python to address 3rd party security vulnerability
  • Updated CloudFormation template parameter groupings
  • Kendra index configuration has been moved from Content Designer settings to CloudFormation parameters to restrict IAM permissions. The CloudFormation parameter DefaultKendraIndex has been replaced with three separate parameters: KendraWebPageIndexId, KendraFaqIndexId, and AltSearchKendraIndexes.
  • Updated question validation when importing or creating questions in Content Designer
  • Kendra Webcrawler will now create data source in the native language if supported by Kendra. Kendra can now query in different languages. (issue #713)
  • Standardized folder structure
  • Made logging enhancements for Amazon OpenSearch Service and Amazon Data Firehose
  • Added case conversion handlebars helpers(PRs #719) - contributed by (@amendlik)
  • Consolidated common AWS SDK dependencies to reduce overall solution artifact size and lambdas deployment package size
  • Patched security vulnerabilities and and integrated with CloudFormation Guard evaluation tool
  • Added ability to TestAll in a selected locale, the locales to be tested should be defined in the template parameter LexV2BotLocaleIds
  • Improved security for LLM inputs and outputs

Fixed

  • Forgot password functionality for Content Designer login
  • Chat client will now prompt the user after credentials are expired
  • Specialty bot routing fixes, Lex Intent state fixes, handlebar processing of SSML injects "\n" into response (PRs #726) - contributed by (@bobpskier)
  • Secured Cognito roles (PR #670) - contributed by (@amendlik)
  • Improved error messages for embeddings (issue #665)
  • AWS environment variable for region is wrongly set (issue #714)
  • Fixed testall lambda timing out during status "Lex" when testing against large set of Q&As - contributed by (@jeve7)
  • Fix Austrian German neural voice name (PR #729) - contributed by (@malte-aws)
  • Fix npm update command (PR #681) - contributed by (@zherink)
  • Fix build exits with code 1, if a CF template is invalid (PR #733) - contributed by (@richhaase)

[5.5.2] - 2024-05-08

Fixed

  • Fixed an issue with the testall functionality which may introduce a high number of versions stored in the testall S3 bucket when the Content designer has no Q&As.

Updated

  • Security patch for idna

[5.5.1] - 2024-04-01

Fixed

  • Document chaining was not working when using Lambda functions for chaining. This has been resolved. (issue #687)
  • ESWarmer lambda was generating a big amount of log data in CloudWatch. This is now fixed. (issue #692)

Updated

  • QnaBot Client to now use code grant instead of implicit grant for Cognito Authorization
  • Security patch for webpack-dev-middleware
  • Template to ensure an embedding instance size of 1 is at least choosen since serverless is no longer available for the embedding model

[5.5.0] - 2024-01-04

Added

  • Added Core-Language parameter to the QnABot deployment. This parameter allows the user to select during the deployment a core language which will be used by the OpenSearch language analyzers to look for question and answers. With this update, QnABot can now be deployed natively in 33 Languages with a more syntactical accuracy for matching questions and answers
  • Bot routing enhancements including passing initial utterance to specialty bot and receive session attributes from specialty bot (issue #376) - contributed by (@bobpskier)
  • Improved error handling. Added custom error handling question to QnaUtility and some errors are appended to chat client message when ENABLE_DEBUG_RESPONSES is set to 'true'
  • Added 'PROTECTED_UTTERANCES' setting which allows the user to configure a comma-separated list of utterances that will be ignored by LLM query disambiguation and translation. This fixes a bug where feedback (thumbs up/thumbs down) and language selection would be disambiguated instead of triggering the respective workflow
  • Added 'getQuestion' handlebar that returns the original matched question without hard-coding (issue #397)
  • Added functional test collection for verifying deployed QnABots
  • Added Service API Usage Tracking
  • Added deployment parameter to enable selection of opensearch instance type (issue #599)

Updated

  • Migrated out of Bluebird promises to native promises
  • Migrated to AWS SDK for JavaScript v3
  • Upgraded to Webpack 5
  • Upgraded to Vue3
  • Upgraded to Vuetify 3
  • Upgraded to latest LLM Image
  • Code Quality improvements based on SonarQube analysis
  • Security patches for npm

Fixed

  • Fixed chaining not working when combined with bot routing (issue #508) - contributed by (@bobpskier)
  • Fixed issue with chaining causing QnABot to become unresponsive when chaining rule evaluation fails. Improved error reporting when debugging is enabled.
  • Fixed issue preventing lambda hooks defined in the templates/extensions directory from being executed by the fulfillment lambda.
  • Fixed issue where LLM errors return 'no_hits' response instead of error message.
  • Fixed bug where positive feedback is not published to SNS.
  • Fixed content designer settings using different casing standard for boolean values (issue #666)
  • Fixed inclusion of OpenSearch QnA results in text passages (issue #669) - contributed by (@cristi-constantin)
  • Fixed issue where session attributes become undefined when translate isn't enabled.
  • Fixed issue where settings were being evaluated as strings instead of numbers. Settings that are saved as stings that represent positive, negative, whole, or decimal numbers will be parsed as numbers.
  • Fixed issue where kendra redirect does not use redirect query when users locale matches kendra index locale

[5.4.5] - 2023-11-1

Updated

  • Security patch for browserify-sign

[5.4.4] - 2023-10-24

Updated

  • Security patch for urllib3

Fixed

  • Fixed fulfillment throws an exception when a Preprocessing Lambda Hook is configured(issue #651)
  • Improved error handling

[5.4.3] - 2023-10-13

Fixed

  • Fixed issue where Alexa schema was not exporting the utterances list.

[5.4.2] - 2023-09-30

Added

  • Self-hosting web fonts. Font files used by QnABot UI are now served from QnABot server instead of using third party font provider.

Updated

  • Security patches for npm and pip packages
  • Lambda runtimes updated to NodeJS 18 for CFN Bootstrap Lambda
  • SonarQube Quality Gates fix
  • Bluebird Promise Migration (Partial)
    • Utilize native promises supported in JavaScript
    • Full migration planned for v5.5.0. Done as a prerequisite for JavaScript SDK v3 migration planned for v6.0.0
    • Remaining changes to be implemented in v5.5.0 include ./website, ./cfn, & ./templates

Fixed

  • Fixed request signing issue when using Custom domain (issue #605)
  • Fixed Sagemaker LLM deployment (issue #635)
  • Fixed voice integration with LLM response
  • Fixed unsupported SSML tags
  • Fixed Kendra API retrieval bug

[5.4.1] - 2023-07-27

Updated

  • LLM README documentation

[5.4.0] - 2023-07-27

Note: we recommend that you first deploy these changes in a non-production environment. This is true for all releases, but especially important for minor and major releases.

Added

  • New (optional) query disambiguation and text generation features through the use of Large Language Models (LLMs) to enable enhanced conversational chat and response synthesis. Details at README
    • In order to provide this functionality, the solution will provision an inference endpoint hosted on Amazon SageMaker
    • If enabled, this has cost implications. Please refer to the IG to see cost estimates
  • App Registry integration, QnABot will now register an application in System Manager to enable various application management tools

Updated

  • Lambda runtimes updated to NodeJS 18
  • Python runtimes updated to Python 3.10
  • Security patches for npm and pip packages

[5.3.5] - 2023-07-12

Updated

  • removal of ElasticSearchUpdate custom resource to prevent CFNLambda recursion alert (#618)
  • Security patches for pip packages

[5.3.4] - 2023-05-19

Updated

  • Security patches for npm and pip packages

Fixed

  • Fix Connect Voice response failure when QID has buttons (#607)

[5.3.3] - 2023-04-20

Updated

  • Security patches for npm packages

[5.3.2] - 2023-04-17

Added

  • Added new parameter for configurable Opensearch EBS Volume Size (#567)
  • Added MetricsBucket to stack outputs (#571)

Fixed

  • Fix Lambda Embeddings documentation with correct event definition (#576)
  • Fix broken urls in prairielinetrail tour example (#577)
  • Fix bug causing CONNECT_IGNORE_WORDS from working correctly (#589)
  • Fix QIDs not matching correctly when the score is less than 1 (#592)
  • Improved handling of Lex and Connect response limits (#593)

Updated

  • Security patches for npm and pip packages
  • Update Connect Interactive Message limits

[5.3.1] - 2023-03-15

Fixed

  • Bug causing bot Fulfillment to fail on embeddings updates (#566)

Updated

  • VPC documentation update (SageMaker Serverless is not supported within a VPC)
  • Security patches for npm and pip packages

[5.3.0] - 2023-02-23

Note: we recommend that you first deploy these changes in a non-production environment. This is true for all releases, but especially important for minor and major releases.

Added

  • New (optional) text embeddings feature to enable built-in semantic search capabilities. Details at README
    • In order to provide this functionality, the solution will provision an inference endpoint hosted on Amazon SageMaker
    • If enabled, this has cost implications. Please refer to the IG to see cost estimates

Updated

  • Migrated solution from ElasticSearch v7.10 to OpenSearch v1.3
  • Updated TEST tab to include support for clientfilters
  • Security patches for npm and pip packages
  • Added/Updated unit tests for JS Lambda Hook SDK
  • Added unit tests for connect lambda
  • Added unit tests for genesys lambda

[5.2.7] - 2023-02-08

Updated

  • Security patches for npm and pip packages
  • Added unit tests for JS Lambda Hook SDK

[5.2.6] - 2023-01-11

Updated

  • Security patches for npm and pip packages

Fixed

  • Missing awaits when merging default and custom settings

[5.2.5] - 2022-12-19

Updated

  • Security patches for npm and pip packages
  • Added Support for latest LexV2 languages (see Multi-language Support)
    • Updated:
      • English (IN), Spanish (LATAM), Portuguese (PR), Mandarin (PRC) to use neural voice
    • New languages:
      • Cantonese
      • Dutch
      • Finnish
      • Gulf Arabic
      • Hindi
      • Norwegian
      • Polish
      • Swedish
  • Added unit tests for translate lambda
  • Added unit tests for schema lambda
  • Added unit tests for qnabot-common-layer

Fixed

  • Fix undefined exception in kendra.js function
  • Readd fulfillment widget into CloudWatch dashboard (#495)
  • Convert template urls to https for nested stacks
  • Update URLs and references to old repo/branch name
  • Fix for case sensitivity on clientFilterValues (#518)

[5.2.4] - 2022-11-19

Updated

  • Security patches for npm and pip packages

[5.2.3] - 2022-11-09

Updated

  • Security patches for npm and pip packages

[5.2.2] - 2022-10-24

Updated

  • Security patches for npm and pip packages
  • axios npm package removed from lambda/cfn
  • Add retries for elasticsearch api requests with 5xx error codes to improve stability of initial stack deployment
  • Split the creation of Lex Bot Versions in CF templates into batches of 3 to improve stability of initial stack deployment

Fixed

  • Lex rebuild failures when there is any single character utterance (#503)
  • ElicitResponse bug causing bot to prompt 'What is the question?' (#506)

[5.2.1] - 2022-09-15

Updated

  • Security patches for npm packages.
  • safe-eval npm package was replaced by vm2 package, and node-sass was replaced by sass package.
  • multer npm package removed.
  • Node.js Lambda runtime to Nodejs.16

Fixed

  • Error when the image URL is not provided in the Response card.

[5.2.0] - 2022-07-14

Added

Changed

  • Solution GitHub repository's name was changed to QnABot on AWS.

Fixed

  • Client Type was not detected when using LexWebUI with LexV2.
  • Implemented small score boost for items with no topic when topic is not set in the query. This breaks the ties, and allows a predictable response for an ambiguous question when there is no topic, by preferring an answer that also has no topic.
  • Test All functionality when ENFORCE_VERIFIED_IDENTITY is true.
  • Queries containing only {stop words} should return no_hits instead of random answer.
  • Metric logging issue when field count exceeds index limit.
  • Kendra support for multilanguage content search match.
  • QnABot Client not displaying updated language(s).
  • Updated es-warmer function to use qnabot common lib to pick up package for qnabot/logging. Without this, es-warmer immediately fails and does not complete keeping elasticsearch cache loaded with questions.
  • Addressed several issues related to presentation of Amazon Alexa skill cards.
  • Changed QnABot templates to use native Lex V2 Cloudformation template syntax for response bots.
  • Handling response card images with long URLs.

[5.1.2] - 2022-03-14

Added

  • Logic to support Amazon Connect Interactive Messages
  • New set of example questions to be imported for Genesys Cloud CX.

Changed

  • Genesys Cloud CX Call Flow export wizard to use new session attributes referenced in example questions
  • Policies in nested templates by further scoping down policies and adding cfn_nag suppressions as appropriate
  • Node module dependencies for html-webpack-plugin(4.5.2), and chalk(3.2.0). Removed unused dependencies for js-xlsx and read-excel-file.

[5.1.1] - 2022-02-04

Added

  • Expanded language support for voice and text interactions. Also included support for Neural voices for Lex language locales. See supported languages.
  • Expanded config.json to support LexV2BotLocaleIds parameter.
  • Updated LexV2BotLocaleIds parameter in CloudFormation template to include link to supported languages.
  • Updated Multi Language Support readme and added supported languages section.
  • Updated ENABLE_MULTI_LANGUAGE_SUPPORT setting in Settings readme with link to supported languages.

Fixed

  • Fixed Kendra Webcrawler data source sync issue by adding support to check for Kendra webcrawler data source {status} before initiating sync
  • Fixed issue where the Kendra Webcrawler data source {settings} page in Kendra console was resulting in a blank page - by updating configuration parameters for data source create and update steps

[5.1.0] - 2021-12-09

Added

  • Tags to questions in Content Designer and ability to create reports in Kibana.
  • Integration with Genesys call center platform.
  • Client Filtering with Session Attributes (i.e., Support to allow the same set of questions to be answered differently based on a session attribute).
  • Intelligent redaction of Personally Identifiable Information in logs with Amazon Comprehend.
  • A QnABot client (e.g. a Connect contact flow) can now optionally provide a value for session attribute, qnabotUserId. When this session attribute is set, QnABot tracks user activity based on the provided value. If not set, QnABot continues to track user activity based on the request userId (LexV1) or sessionId (LexV2). NOTE: qnabotUserId value is not used when user authentication using JWTs is enabled - in this case users are securely identified and verified from the JWT.
  • Support for pre and post processing AWS Lambda Hooks.
  • Setting that determines whether Amazon Kendra responses are abbreviated when sent via SSML (ALT_SEARCH_KENDRA_ABBREVIATE_MESSAGE_FOR_SSML)
  • Setting that determines the types of responses that Amazon Kendra returns (ALT_SEARCH_KENDRA_RESPONSE_TYPES: ANSWER, DOCUMENT, QUESTION_ANSWER)

Fixed

  • Test tab in Content Designer to show same results as the web client when using Kendra FAQ.
  • Broken link in documentation for downloading CloudFormation template.
  • Integration with Slack on Amazon LexV2 bots.
  • QnABot will set the sessionAttribute from CONNECT_NEXT_PROMPT_VARNAME to an empty string if QnABot is in a response bot in a voice channel. This will prevent QnABot from saying the next prompt in the middle of a response bot flow.
  • Kendra FAQ sync where export Lambda was missing the Layer containing qnabot log.
  • Bug with response bots with Alexa where QnABot was filling in a malformed reprompt.text in the response.
  • Excel import improvements and bug fixes.

Changed

  • Bot routing capability to have multiple-bot architecture (e.g., General bot routing questions to specialty bots).
  • The built-in Amazon Kendra “web page indexer” with the new Kendra Web Crawler Datasource.

[5.0.1] - 2021-10-20

Added

  • Architecture diagram and more details on README.md

Fixed

  • Regex Redaction in CloudWatch and Amazon OpenSearch Service.
  • Outdated NPM dependencies via Dependabot alerts and npm audit tool.

Changed

  • License from Amazon Software License to Apache License 2

[5.0.0] - 2021-09-24

Added

Changed

  • Minor changes in IAM scopes to enhance security posture.
  • Amazon Connect integration wizard now uses Amazon LexV2 bots in all Regions (no longer requires the 'LexV2 Only' setting to be true.)

Fixed

  • Bug fixes related to multiple language support

[4.7.3] - 2021-08-04

Changed

  • The QnABot fulfillment Lambda function can now be configured for provisioned concurrency to further improve query response times after periods of inactivity.

Fixed

  • Bug fix for proper invocation of ESWarmer lambda
  • Bug fix to resolve sporadic API Compression CloudFormation exception

[4.7.2] - 2021-07-08

Changed

  • LexV2 built-in Elicit Response bots have been added.
  • Custom settings can now be exported and imported from the Content Designer Settings page.

Fixed

  • Bug fix "TypeError: AWS.LexRuntimeV2 is not a constructor" when using Lex V2 based Elicit Response Bots.
  • Bug fix "Cannot read property 'buttons' of undefined" when no buttons specified in response card.
  • Bug fix Protect against TypeError exception while processing fallback intent case for an invalid response provided to a LexV2 Response Bot.

[4.7.1] - 2021-07-03

Changed

  • Amazon Elasticsearch Service (succeeded by Amazon OpenSearch Service) version 7.10 is now utilized.
  • Encrypted Amazon Elasticsearch Service (production) instance types now use m6g.large.elasticsearch for improved price/performance/memory.
  • The QnABot fulfillment Lambda function has been optimized to reduce query response times and variability, especially after periods of inactivity.
  • Custom settings can now be exported and imported from the Content Designer Settings page.

Added

  • LexV2 built-in Elicit Response bots have been added.

Fixed

  • Bug fix when ES_SCORE_ANSWER_FIELD is set to true. Prior to this fix, answer fields were not utilized fully in Amazon Elasticsearch Service queries.

[4.7.0] - 2021-06-06

Changed

  • QnABot now supports LexV2 with voice interaction in multiple languages.
    • Two installation/update modes are now available:
      • (i) LexV1 + LexV2 (default, recommended for most AWS regions.
      • (ii) LexV2-only (currently recommended for AWS regions where LexV1 is not available).
    • LexV2 locales are specified via a new CloudFormation parameter
      • The default locales are US English, US Spanish and Canadian French.
  • The QnABot web client now uses LexV2 and supports dynamic bot locale selection from a new title bar menu.
  • Custom LexV2 Elicit Response bots are now supported. The built-in response bots still use LexV1 and are available only when QnABot is installed in LexV1+LexV2 mode.
  • CloudFormation deployment is now available for Canada/Montreal region (LexV2-only mode).
  • Amazon Connect integration in the Canada/Montreal region supports multiple voice languages using LexV2.
  • The Content Designer 'Test All' feature now uses LexV2.
  • Content Designer's "Rebuild Lex Bot" feature now rebuilds both LexV2 and LexV1 bots
  • Non-English LexV2 bot locales are automatically generated with sample utterances translated from English questions using Amazon Translate.
  • Content Designer's Import feature now supports Excel spreadsheets as well as the existing JSON format.
  • QnABot's Amazon Elasticsearch Service (succeeded by Amazon OpenSearch Service) cache is now automatically kept warm to improve query time consistency.
  • Negative feedback (thumbs down) messages can now generate notifications (text, email, etc.) using Amazon SNS.

[4.6.0] - 2021-04-30

Changed

  • Kendra integration is now fully automated during install or update when the new default Kendra Index ID parameter is provided.
  • Kendra custom no_hits item required in earlier releases is no longer required to turn on Kendra Fallback and should be removed, configurable confidence thresholds now available for filtering Kendra results.
  • Kibana dashboard now shows additional detail on questions answered via Kendra FAQ and Kendra Fallback.
  • Standard markdown is now automatically converted to Slack markdown when using Slack, Kibana dashboard logs and metrics retention period is now configurable during install or update, Lambda runtime upgraded to Node.js 12.x.

Added

  • Two new settings have been added

    • ALT_SEARCH_KENDRA_FALLBACK_CONFIDENCE_SCORE - Answers will only be returned at or above the specified confidence level when using Kendra Fallback.
    • ALT_SEARCH_KENDRA_FAQ_CONFIDENCE_SCORE - Synchronized FAQ questions will only be matched to an Amazon Elasticsearch Service (succeeded by Amazon OpenSearch Service) question if the Kendra FAQ confidence level is at or above the specified confidence level.

[4.5.2] - 2021-04-08

Fixed

  • Fix for new Kendra resources deployed in VPC addressing issues in 4.5.0 and 4.5.1.

[4.5.1] - 2021-03-15

Fixed

  • Fix for incorrect Thumbs Up / Thumbs Down processing in 4.5.0.
  • Fix for multi-language support when manually switching languages in 4.5.0.
  • Improve formatting of markdown responses from Kendra ANSWER responses.

[4.5.0] - 2021-03-07

Added

  • Added single click deployment support for four additional regions

  • Added Personal Identifiable Information detection support using Amazon Comprehend - readme

  • Added web indexing support using Amazon Kendra - readme

  • Added Amazon Translate custom terminology support - readme

  • Added multi-language translation with QnABot Kendra fallback processing

  • Added support for signing S3 URLs for bot responses, using handlebar syntax - readme

  • Added support to defining user specified custom settings

Changed

  • Changed unencrypted Amazon Elasticsearch Service (succeeded by Amazon OpenSearch Service) instance types to be t3.small.elasticsearch
  • Changed default number of nodes for Amazon Elasticsearch Service cluster to 4 for better production level cluster performance and resiliency. This can be changed to 2 for development clusters if desired.
  • Lambdahook responses can now be used with document chaining and are translated when multi-language support is enabled
  • Improved support when contractions are used in utterances
  • Kendra Fallback message prefixes are now configurable in QnABot settings.
  • To improve performance, resiliency, and security, the Amazon Elasticsearch Service cluster will default to using ENCRYPTED nodes using the c5.large.elasticsearch instance type. If UNENCRYPTED is selected, the t3.small.elasticsearch instance types will be used. The default number of nodes in a new cluster is now 4 for improved resiliency. The number of cluster nodes can be reduced to 2 for development environments if desired.
  • QnABot distribution Regions now available for one click deployment have increased to 8 regions. These are Northern Virginia (us-east-1), Oregon (us-west-2), Ireland (eu-west-1), London (eu-west-2), Frankfurt (eu-central-1), Sydney (ap-southeast-2), Singapore (ap-southeast-1), and Tokyo (ap-northeast-1).

Fixed

  • Fixed bugs and defects

[4.4.1] - 2020-12-29

Added

  • Added support for setting 'profile' as an identity attribute from cognito federation.

Fixed

  • Fix for Designer UI from breaking change in highlight.js due to dependabot alert / change.
  • Fix syntax error introduced in 4.4.0 QNAPin and QNAPinNoConfirm bots that prevents updates from succeeding.

[4.4.0] - 2020-12-24

Changed

  • Preview VPC support - readme
  • Preview BotRouter support - read
  • Upgrade to Amazon Elasticsearch Service (succeeded by Amazon OpenSearch Service) version 7.9
  • Slack client support via Lex with Slack specific markdown support

Added

  • Added support for Alexa re-prompt functionality

Fixed

  • Bug fixes and defect enhancements

[4.3.2] - 2020-11-09

Changed

  • Support lengthy answer definition for Kendra FAQ
  • Check of FAQ deletion in Kendra when FAQ content is being resynced
  • Support multiple responses when using Test in content designer with Kendra FAQ enabled

Fixed

  • Bug fixes for Kendra FAQ integration
  • Fix for exception - "Cannot convert undefined or null to object" when Session Attributes are no provided during Lex input. aws-solutions#229
  • Package version updates to address current github dependabot alerts

[4.3.0] - 2020-09-21

Added

  • New Connect Wizard available in the Content Designer UI to assist integration with a Connect Contact Flow.
  • New 4-node Amazon Elasticsearch Service (succeeded by Amazon OpenSearch Service) domain support for improved fault tolerance in deployment template.

Changed

  • Elicit Response bot support for confirmation responses using phone keypad 1 = yes 2 = no.
  • Security improvements in API Gateway.
  • ID token values removed from session event after validation and redacted from logging.
  • Setting to limit the number of Kendra fallback search results.
  • Setting to allow signed URLs for S3 documents in Kendra search results.

[4.2.4] - 2020-09-03

Added

  • Add CONNECT_IGNORE_WORDS to settings which allows single character words to be ignored during input to QnABot via Connect. Default is empty string but can be set to an array such as "a,e" such that single character inputTranscript uses the Connect Error branch in Get customer input.

Changed

  • Display Kendra document names as the URL and add ability to generate Signed S3 URLs for Kendra document integration. Uses new setting named ALT_SEARCH_KENDRA_S3_SIGNED_URLS. Set this to true to convert Kendra based S3 document URLs to signed urls allowing access.
  • Expose session attributes in the res object as an object such that they are usable in Kibana UI.

Fixed

  • Fix to ensure a "Test" invocation, when using a topic, always uses Amazon Elasticsearch Service (succeeded by Amazon OpenSearch Service) to perform the query.

[4.2.2] - 2020-08-28

Fixed

  • Fix KendraFallback Lambda Function lodash dependency

[4.2.1] - 2020-08-25

Changed

  • Return Error if Lex inputTranscript is an empty string or not present. Processing an empty inputTranscript produces other downstream failure.

[4.2.0] - 2020-08-24

Added

  • New Kendra FAQ support (Beta version) using the setting KENDRA_FAQ_INDEX. New menu item in Designer UI to export Questions as a Kendra FAQ. See revised Blog Post for details.
  • New GetSessionAttribute Handlebars helper to obtain session attribute. Works similar to lodash get(). Will not through exception and will return a default value.

Changed

  • Enhanced handlebars to support string concatenation including handlevar 'variables' like Session Attributes and UserInfo, etc. Use case, e.g. to build a url containing a users email, eg a google calendar URL. Example of syntax now supported - in this case to dynamically build a personalized URL based on user info. {{setSessionAttr 'link' 'https://calendar.google.com/calendar/embed?src=' UserInfo.Email '&ctz=America%2FNew_York'}}
  • Moved 'previous' and 'navigation' session attributes under a new 'qnabotcontext' session attribute so that Connect (and other) clients have fewer session attributes to preserve.
  • Allows Chaining rule Lambda function to return a modified session object in addition to the string for chaining.
  • Allows Chaining of up to 10 documents. Each document's Lambda hooks will also be invoked in sequence if defined.
  • Added a new Repeat QID in the QNAUtility example package. Allows QnABot to easily repeat the last answer.
  • Allow the chaining rule to specify a specific QID rather than an answer. A QID can be specified in the chaining rule by using string such as QID:: e.g. QID::Admin.001. Note, the new QID:: syntax can also be used from the webUI, say as button values if/when you prefer to target a specific QID (exact query) rather than rely on question matching.
  • Upgrades to and installs Amazon Elasticsearch Service (succeeded by Amazon OpenSearch Service) 7.7.

Fixed

  • Fixed a defect to allow conditional chaining to be invoked after an elicit response bot failure.

[4.1.0] - 2020-08-02

Changed

  • Install / Upgrade now supports the option to configure S3 Buckets and Amazon Elasticsearch Service (succeeded by Amazon OpenSearch Service) cluster using encryption at rest
  • Install / Upgrade now supports the option to require Cognito based user authorization to access the built-in full screen web UI (Public/Private parameter in template) - Public is the default
  • Enhanced Kendra fallback integration to use a specific answer if there is a best answer available and bold face highlighted words from Kendra response
  • Enhanced Kibana dashboard to identify Lex client channels - Connect, Web, SMS
  • Improved internal use of Booleans from settings configuration.
  • Update to 0.17.0 of embedded lex-web-ui
  • Enhanced Connect integration
    • Added session attribute named "qnabot_qid" that holds the matching question id found in Amazon Elasticsearch Service
    • Added session attribute "qnabot_gotanswer" that holds boolean true/fale if an answer was fround
    • Encapsulating all Kendra and Elicit Response Bot session attributes into a single "qnabotcontext" attribute making it easier to store and reset in Connect contact flow

Added

  • Added two settings parameters to enforce user identity verification check, so that bot can be secured for use by authenticated users only
    • ENFORCE_VERIFIED_IDENTITY. Default is false. Set to true to make QnABot require verified identity from client
    • NO_VERIFIED_IDENTITY_QUESTION. The default is "no_verified_identity". If user identity cannot be verified, replace question string with this. If not verified, the system will respond to user's question with the result of searching for NO_VERIFIED_IDENTITY_QUESTION. This allows a customizable message which informs the user that they must log in. A default question with qid "no_verified_identity" is included in QNAUtility example package.
  • Added Comprehend sentiment analysis to all utterances and text captured by the QNAFreeText elicit response bot
  • Added new QNAYesNoExit elicit response bot which allows a user to exit the YesNoExit question using "exit", "bye", "quit", "admin", "rep","representative","stop", "help", "bye", "goodbye" which sets the Yes_No_Exit slot value / session attribute to "Exit".

Fixed

  • Resolved additional dependabot identified security issues with dependent packages
  • Fixed lambda/fulfillment unit tests
  • Fixed defect where response bot was not triggered on next question when using lambda function for conditional chaining

[4.0.0] - 2020-06-04

Changed

  • Update to Amazon Elasticsearch Service (succeeded by Amazon OpenSearch Service) 7.4
  • Update to 0.16.0 of embedded lex-web-ui
  • npm audit package updates
  • Improved question matching accuracy and tuning
  • Tolerance for typos and minor spelling errors with fuzzy matching setting
  • Easier troubleshooting when using voice or multi-language support with new debug setting
  • SSML support when using Amazon Connect
  • Full upgrade support without data loss when upgrading from previous versions
  • Disable response card titles in embedded lex-web-ui

Added

  • Added region launch links to README

Fixed

  • Fix to CustomNoHits to use configured setting
  • Fixes and improvements to Amazon Kendra integration, support FAQ answers
  • Fix to redacting feature with respect to kibana metrics
  • Fix to language responses in Language extension. Added mapping of 'Chinese' to use 'Simplified Chinese'

[3.0.3] - 2020-04-26

Changed

  • Enhanced CFN lex create/update to identify and use versions of the Bot externally created

Added

  • Added content tuning Readme

[3.0.2] - 2020-04-22

Changed

  • Improved scale using Lex versions and aliases
  • Elicit Response Bots allowing QnABot to ask its own questions
  • Conditional chaining to jump to other items based on user answers

Added

  • New Connect Callback example bot and questions
  • New launch regions to install QnABot in eu-west-1, ap-southeast-2, us-west-2
  • Editable settings

[2.6.0] - 2019-12-31

Changed

  • Update handlebars in extensions / samples to use version ^4.3.0

Added

  • Addition of Kendra Fallback feature

Fixed

  • Fix for the Next/Previous sample functions when the next or previous questions reference a lambda hook

[2.5.0] - 2019-11-26

Changed

  • IAM Policy updates
  • Update of default utterances for Alexa
  • Change to NodeJS 10.X for Lambdas
  • Updated reInvent2019 workshop

[2.4.0] - 2019-10-16

Added

  • added use of SSM Parameter store to hold default configuration settings
  • added use of use of Comprehend for better selection of appropriate answer
  • added use of AMAZON.Fallback intent
  • added QnABot version number to cloudformation stack description
  • added newline to separate records injected to firehose

Changed

  • updated lex-web-ui to 0.14.8
  • support for Test All functionality
  • separated import and export functionality into nested stacks freeing up ability to add resources to master stack
  • updates to npm module versions
  • improved accuracy by adding use of AWS Comprehend to identify nouns and verbs to confirm in identified question whose answer is being returned

Fixed

  • fix for alexa repeat intent
  • fix for better handling of tab navigation between questions and test tab

[2.3.0] - 2019-05-01

Changed

  • upgraded to nodejs 8.10

[2.1.0] - 2018-05-31

Fixed

  • issue in stack name namespacing with different profiles

Added

  • support for html, markdown, and SSML alternate answers
  • quiz document type and lambda hook
  • feedback example lambda hook
  • navigation example lambda hook
  • kibana integration in designer ui
  • examples are in a nested template
  • support for IE11 and Edge for client page

[2.0.1] - 2018-05-31

Fixed

  • serviceCreateRole issue in CNFLambda when creating lex bots

[2.0.0] - 2018-05-04

Fixed

  • QnABot is now a single template

Added

  • new ui based on vuetify
  • topic memory
  • lambda hooks
  • more integration tests
  • Cognito Hosted Login for Admin Screen
  • Improved Importing
  • Backups to s3
  • Better deployment scripts using namespaces and AWS CLI Profiles.

Removed

  • link parsing
  • cloudfront distributions

[1.1] - 2018-01-05

Fixed

  • spelling in documentation
  • small bugs

[1.0] - 2017-11-06

Added

  • initial