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v4.18.1-main.20260328.d004a15

28 Mar 05:38
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v4.18.1-main.20260328.d004a15
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v4.18.1-main.20260328.d004a15 Pre-release
Pre-release

This release is for internal testing only. Please do not use this build in production environment.

Build time Run ID Source version Git ref Package version
2026-03-28 05:38:57Z 23678352627 a61ac7b refs/heads/feat-create-request 4.18.1-main.20260328.d004a15 
<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-main.20260328.d004a15/dist/webchat.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-main.20260328.d004a15/dist/webchat-es5.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-main.20260328.d004a15/dist/webchat-minimal.js"
></script>

Changelog

4.18.1-main.20260328.d004a15 - 2026-03-28

Breaking changes in this release:

  • 💥 styleOptions.bubbleImageHeight is being deprecated in favor of styleOptions.bubbleImageMaxHeight and styleOptions.bubbleImageMinHeight. The option will be removed on or after 2026-07-05
  • 💥 styleOptions.bubbleMaxWidth/bubbleMinWidth is being deprecated in favor of styleOptions.bubbleAttachmentMaxWidth/bubbleAttachmentMinWidth and styleOptions.bubbleMessageMaxWidth/bubbleMessageMinWidth. The option will be removed on or after 2026-10-08
  • 💥 Moved to micromark for rendering Markdown, instead of markdown-it
  • Please refer to PR #5330 for details
  • 💥 HTML sanitizer is moved from renderMarkdown to HTML content transformer middleware, please refer to PR #5338
  • If you customized renderMarkdown with a custom HTML sanitizer, please move the HTML sanitizer to the new HTML content transformer middleware
  • 💥 useGroupActivities hook is being deprecated in favor of the useGroupActivitiesByName hook. The hook will be removed on or after 2027-05-04
  • 💥 useSuggestedActions() hook is being deprecated in favor of the useSuggestedActionsHooks().useSuggestedActions() hook. The hook will be removed on or after 2027-05-30
  • 💥 The following middleware should be created using their respective factory function:
  • activityBorderDecoratorMiddleware, related to PR #5504, #5510
  • activityGroupingDecoratorMiddleware, related to PR #5504
  • sendBoxMiddleware, related to PR #5504
  • sendBoxToolbarMiddleware, related to PR #5504
  • 💥 styleOptions.hideUploadButton is being deprecated in favor of styleOptions.disableFileUpload. The option will be removed on or after 2027-07-14
  • 💥 botframework-directlinespeech-sdk no longer ponyfill AbortController, it is supported by modern browsers, in PR #5530
  • 💥 activityMiddleware is being deprecated in favor of polymiddleware. It will be removed on or after 2027-08-16, related to PR #5515
  • 💥 Root-level (unconnected) Claim entity is being deprecated, in PR #5564, by @compulim. It will be removed on or after 2027-08-29
  • Use entities[@id=""][@type="Message"].citation[@type="Claim"] instead
  • 💥 activityStatusMiddleware.nextVisibleActivity and activityStatusMiddleware.sameTimestampGroup is removed after deprecation, in PR #5565, by @compulim

Added

  • (Experimental) Added pre-chat message with starter prompts in Fluent UI, in PR #5255 and #5263, by @compulim
  • (Experimental) Added isPrimary props to Fluent UI send box. When set, will wire up with useSendBoxValue and works with starter prompts in pre-chat message, in PR #5257, by @compulim
  • (Experimental) Expand Fluent theme support to activities and transcript, in PR #5258, by @OEvgeny
  • Added new Fluent UI theme variant "copilot" with updated styling and components, in PR #5258, by @OEvgeny
  • Introduced ActivityDecorator component for enhanced message styling and layout, in PR #5258, by @OEvgeny
  • Added CopilotMessageHeader component for displaying bot information in the "copilot" variant, in PR #5258, by @OEvgeny
  • Updated Fluent theme styling to improve accessibility and visual consistency, in PR #5258, by @OEvgeny
  • Fixed header font in copilot variant, in PR #5261, by @OEvgeny
  • Added "Copy" button to bot messages in Fluent UI if it contains keyword AllowCopy, in PR #5259, #5262, and #5285, by @compulim
  • Resolves #4876 and #4939. Added support of informative message in livestreaming, by @compulim, in PR #5265
  • Introduced centralized announcements approach via the new usePushToLiveRegion hook, in PR #5251, by @OEvgeny
  • Added keyboard shortcut for the "New Messages" button, in PR #5251, by @OEvgeny
  • Added decorators for loading and completion states to the Fluent theme, in PR #5269, by @OEvgeny
  • Added blueprint of starter prompts in the Fluent theme, in PR #5270, #5276, #5279, and #5284, by @OEvgeny and @compulim
  • Added support for liner message activities in the Fluent theme, in PR #5272, by @OEvgeny
  • Added new uiState props and useUIState hook, in PR #5276, by @compulim
  • (Experimental) Added support for using Web Chat inside a shadow DOM, in PR #5196, by @OEvgeny
    • Added styleOptions.stylesRoot property allowing users to specify the root node where Web Chat styles should be placed, in PR #5196, by @OEvgeny
    • Added the ThemeProvider.styles property, allowing theme packages to place styles into the same root node as Web Chat, in PR #5196, by @OEvgeny
    • Added nonce for Fluent and react-scroll-to-bottom injected styles, in PR #5196, by @OEvgeny
    • Updated react-scroll-to-bottom to version 4.2.1-main.53844f5, in PR #5196, by @OEvgeny
    • Updated react-film to version 3.1.1-main.f623bf6, in PR #5196, by @OEvgeny
  • (Experimental) Added CSS decorator support into Web Chat white-label experience, in PR #5312, by @OEvgeny
    • Introduced WebChatDecorator component for adding animated borders to activities, in PR #5312
    • Added new style options borderAnimationColor1, borderAnimationColor2, and borderAnimationColor3 for customizing decorator colors, in PR #5312
  • Added styleOptions.bubbleAttachmentMaxWidth/`bubble...
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v4.18.1-feat-create-request.202603280554.328cbd6

28 Mar 05:58
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v4.18.1-feat-create-request.202603280554.328cbd6
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v4.18.1-feat-create-request.202603280554.328cbd6 Pre-release
Pre-release

This release is for internal testing only. Please do not use this build in production environment.

Build time Run ID Source version Git ref Package version
2026-03-28 05:58:43Z 23678824155 328cbd6 refs/heads/feat-create-request 4.18.1-feat-create-request.202603280554.328cbd6 
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  integrity="sha384-sDSluqfSSvn8DW8unawk604q7Swekl7WTQcf0+DkSCEKgGfrrlr2fA1JM6uv8b7p"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603280554.328cbd6/dist/webchat.js"
></script>

<script
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  integrity="sha384-l0ffaCts7YjrQHngwanN+zRy+W1D3RsYpQTIj3Hb9coY7UHSxDq4gxmeMAWH674K"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603280554.328cbd6/dist/webchat-es5.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-O/nO4ygb4k93ReANmNUHJjcMYY8/kJk86zGmwMtFfTIgPUndMGX1SyTNibQ7rZzt"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603280554.328cbd6/dist/webchat-minimal.js"
></script>

Changelog

4.18.1-feat-create-request.202603280554.328cbd6 - 2026-03-28

Breaking changes in this release:

  • 💥 styleOptions.bubbleImageHeight is being deprecated in favor of styleOptions.bubbleImageMaxHeight and styleOptions.bubbleImageMinHeight. The option will be removed on or after 2026-07-05
  • 💥 styleOptions.bubbleMaxWidth/bubbleMinWidth is being deprecated in favor of styleOptions.bubbleAttachmentMaxWidth/bubbleAttachmentMinWidth and styleOptions.bubbleMessageMaxWidth/bubbleMessageMinWidth. The option will be removed on or after 2026-10-08
  • 💥 Moved to micromark for rendering Markdown, instead of markdown-it
  • Please refer to PR #5330 for details
  • 💥 HTML sanitizer is moved from renderMarkdown to HTML content transformer middleware, please refer to PR #5338
  • If you customized renderMarkdown with a custom HTML sanitizer, please move the HTML sanitizer to the new HTML content transformer middleware
  • 💥 useGroupActivities hook is being deprecated in favor of the useGroupActivitiesByName hook. The hook will be removed on or after 2027-05-04
  • 💥 useSuggestedActions() hook is being deprecated in favor of the useSuggestedActionsHooks().useSuggestedActions() hook. The hook will be removed on or after 2027-05-30
  • 💥 The following middleware should be created using their respective factory function:
  • activityBorderDecoratorMiddleware, related to PR #5504, #5510
  • activityGroupingDecoratorMiddleware, related to PR #5504
  • sendBoxMiddleware, related to PR #5504
  • sendBoxToolbarMiddleware, related to PR #5504
  • 💥 styleOptions.hideUploadButton is being deprecated in favor of styleOptions.disableFileUpload. The option will be removed on or after 2027-07-14
  • 💥 botframework-directlinespeech-sdk no longer ponyfill AbortController, it is supported by modern browsers, in PR #5530
  • 💥 activityMiddleware is being deprecated in favor of polymiddleware. It will be removed on or after 2027-08-16, related to PR #5515
  • 💥 Root-level (unconnected) Claim entity is being deprecated, in PR #5564, by @compulim. It will be removed on or after 2027-08-29
  • Use entities[@id=""][@type="Message"].citation[@type="Claim"] instead
  • 💥 activityStatusMiddleware.nextVisibleActivity and activityStatusMiddleware.sameTimestampGroup is removed after deprecation, in PR #5565, by @compulim

Added

  • (Experimental) Added pre-chat message with starter prompts in Fluent UI, in PR #5255 and #5263, by @compulim
  • (Experimental) Added isPrimary props to Fluent UI send box. When set, will wire up with useSendBoxValue and works with starter prompts in pre-chat message, in PR #5257, by @compulim
  • (Experimental) Expand Fluent theme support to activities and transcript, in PR #5258, by @OEvgeny
  • Added new Fluent UI theme variant "copilot" with updated styling and components, in PR #5258, by @OEvgeny
  • Introduced ActivityDecorator component for enhanced message styling and layout, in PR #5258, by @OEvgeny
  • Added CopilotMessageHeader component for displaying bot information in the "copilot" variant, in PR #5258, by @OEvgeny
  • Updated Fluent theme styling to improve accessibility and visual consistency, in PR #5258, by @OEvgeny
  • Fixed header font in copilot variant, in PR #5261, by @OEvgeny
  • Added "Copy" button to bot messages in Fluent UI if it contains keyword AllowCopy, in PR #5259, #5262, and #5285, by @compulim
  • Resolves #4876 and #4939. Added support of informative message in livestreaming, by @compulim, in PR #5265
  • Introduced centralized announcements approach via the new usePushToLiveRegion hook, in PR #5251, by @OEvgeny
  • Added keyboard shortcut for the "New Messages" button, in PR #5251, by @OEvgeny
  • Added decorators for loading and completion states to the Fluent theme, in PR #5269, by @OEvgeny
  • Added blueprint of starter prompts in the Fluent theme, in PR #5270, #5276, #5279, and #5284, by @OEvgeny and @compulim
  • Added support for liner message activities in the Fluent theme, in PR #5272, by @OEvgeny
  • Added new uiState props and useUIState hook, in PR #5276, by @compulim
  • (Experimental) Added support for using Web Chat inside a shadow DOM, in PR #5196, by @OEvgeny
    • Added styleOptions.stylesRoot property allowing users to specify the root node where Web Chat styles should be placed, in PR #5196, by @OEvgeny
    • Added the ThemeProvider.styles property, allowing theme packages to place styles into the same root node as Web Chat, in PR #5196, by @OEvgeny
    • Added nonce for Fluent and react-scroll-to-bottom injected styles, in PR #5196, by @OEvgeny
    • Updated react-scroll-to-bottom to version 4.2.1-main.53844f5, in PR #5196, by @OEvgeny
    • Updated react-film to version 3.1.1-main.f623bf6, in PR #5196, by @OEvgeny
  • (Experimental) Added CSS decorator support into Web Chat white-label experience, in PR #5312, by @OEvgeny
    • Introduced WebChatDecorator component for adding animated borders to activities, in PR #5312
    • Added new style options borderAnimationColor1, borderAnimationColor2, and borderAnimationColor3 for customizing decorator colors, in PR [microsoft#5312](https://github.com/mi...
Read more
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v4.18.1-feat-create-request.202603280541.1e61796

28 Mar 05:46
@github-actions github-actions
v4.18.1-feat-create-request.202603280541.1e61796
1e61796
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v4.18.1-feat-create-request.202603280541.1e61796 Pre-release
Pre-release

This release is for internal testing only. Please do not use this build in production environment.

Build time Run ID Source version Git ref Package version
2026-03-28 05:46:04Z 23678625685 1e61796 refs/heads/feat-create-request 4.18.1-feat-create-request.202603280541.1e61796 
<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603280541.1e61796/dist/webchat.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603280541.1e61796/dist/webchat-es5.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603280541.1e61796/dist/webchat-minimal.js"
></script>

Changelog

4.18.1-feat-create-request.202603280541.infinity - 2026-03-28

Breaking changes in this release:

  • 💥 styleOptions.bubbleImageHeight is being deprecated in favor of styleOptions.bubbleImageMaxHeight and styleOptions.bubbleImageMinHeight. The option will be removed on or after 2026-07-05
  • 💥 styleOptions.bubbleMaxWidth/bubbleMinWidth is being deprecated in favor of styleOptions.bubbleAttachmentMaxWidth/bubbleAttachmentMinWidth and styleOptions.bubbleMessageMaxWidth/bubbleMessageMinWidth. The option will be removed on or after 2026-10-08
  • 💥 Moved to micromark for rendering Markdown, instead of markdown-it
  • Please refer to PR #5330 for details
  • 💥 HTML sanitizer is moved from renderMarkdown to HTML content transformer middleware, please refer to PR #5338
  • If you customized renderMarkdown with a custom HTML sanitizer, please move the HTML sanitizer to the new HTML content transformer middleware
  • 💥 useGroupActivities hook is being deprecated in favor of the useGroupActivitiesByName hook. The hook will be removed on or after 2027-05-04
  • 💥 useSuggestedActions() hook is being deprecated in favor of the useSuggestedActionsHooks().useSuggestedActions() hook. The hook will be removed on or after 2027-05-30
  • 💥 The following middleware should be created using their respective factory function:
  • activityBorderDecoratorMiddleware, related to PR #5504, #5510
  • activityGroupingDecoratorMiddleware, related to PR #5504
  • sendBoxMiddleware, related to PR #5504
  • sendBoxToolbarMiddleware, related to PR #5504
  • 💥 styleOptions.hideUploadButton is being deprecated in favor of styleOptions.disableFileUpload. The option will be removed on or after 2027-07-14
  • 💥 botframework-directlinespeech-sdk no longer ponyfill AbortController, it is supported by modern browsers, in PR #5530
  • 💥 activityMiddleware is being deprecated in favor of polymiddleware. It will be removed on or after 2027-08-16, related to PR #5515
  • 💥 Root-level (unconnected) Claim entity is being deprecated, in PR #5564, by @compulim. It will be removed on or after 2027-08-29
  • Use entities[@id=""][@type="Message"].citation[@type="Claim"] instead
  • 💥 activityStatusMiddleware.nextVisibleActivity and activityStatusMiddleware.sameTimestampGroup is removed after deprecation, in PR #5565, by @compulim

Added

  • (Experimental) Added pre-chat message with starter prompts in Fluent UI, in PR #5255 and #5263, by @compulim
  • (Experimental) Added isPrimary props to Fluent UI send box. When set, will wire up with useSendBoxValue and works with starter prompts in pre-chat message, in PR #5257, by @compulim
  • (Experimental) Expand Fluent theme support to activities and transcript, in PR #5258, by @OEvgeny
  • Added new Fluent UI theme variant "copilot" with updated styling and components, in PR #5258, by @OEvgeny
  • Introduced ActivityDecorator component for enhanced message styling and layout, in PR #5258, by @OEvgeny
  • Added CopilotMessageHeader component for displaying bot information in the "copilot" variant, in PR #5258, by @OEvgeny
  • Updated Fluent theme styling to improve accessibility and visual consistency, in PR #5258, by @OEvgeny
  • Fixed header font in copilot variant, in PR #5261, by @OEvgeny
  • Added "Copy" button to bot messages in Fluent UI if it contains keyword AllowCopy, in PR #5259, #5262, and #5285, by @compulim
  • Resolves #4876 and #4939. Added support of informative message in livestreaming, by @compulim, in PR #5265
  • Introduced centralized announcements approach via the new usePushToLiveRegion hook, in PR #5251, by @OEvgeny
  • Added keyboard shortcut for the "New Messages" button, in PR #5251, by @OEvgeny
  • Added decorators for loading and completion states to the Fluent theme, in PR #5269, by @OEvgeny
  • Added blueprint of starter prompts in the Fluent theme, in PR #5270, #5276, #5279, and #5284, by @OEvgeny and @compulim
  • Added support for liner message activities in the Fluent theme, in PR #5272, by @OEvgeny
  • Added new uiState props and useUIState hook, in PR #5276, by @compulim
  • (Experimental) Added support for using Web Chat inside a shadow DOM, in PR #5196, by @OEvgeny
    • Added styleOptions.stylesRoot property allowing users to specify the root node where Web Chat styles should be placed, in PR #5196, by @OEvgeny
    • Added the ThemeProvider.styles property, allowing theme packages to place styles into the same root node as Web Chat, in PR #5196, by @OEvgeny
    • Added nonce for Fluent and react-scroll-to-bottom injected styles, in PR #5196, by @OEvgeny
    • Updated react-scroll-to-bottom to version 4.2.1-main.53844f5, in PR #5196, by @OEvgeny
    • Updated react-film to version 3.1.1-main.f623bf6, in PR #5196, by @OEvgeny
  • (Experimental) Added CSS decorator support into Web Chat white-label experience, in PR #5312, by @OEvgeny
    • Introduced WebChatDecorator component for adding animated borders to activities, in PR #5312
    • Added new style options borderAnimationColor1, borderAnimationColor2, and borderAnimationColor3 for customizing decorator colors, in PR [microsoft#5312](https://github.com/m...
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v4.18.1-feat-create-request.202603280527.e67e47c

28 Mar 05:37
@github-actions github-actions
v4.18.1-feat-create-request.202603280527.e67e47c
e67e47c
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GPG key ID: B5690EEEBB952194
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v4.18.1-feat-create-request.202603280527.e67e47c Pre-release
Pre-release

This release is for internal testing only. Please do not use this build in production environment.

Build time Run ID Source version Git ref Package version
2026-03-28 05:37:39Z 23678396497 e67e47c refs/heads/feat-create-request 4.18.1-feat-create-request.202603280527.e67e47c 
<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603280527.e67e47c/dist/webchat.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603280527.e67e47c/dist/webchat-es5.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603280527.e67e47c/dist/webchat-minimal.js"
></script>

Changelog

4.18.1-feat-create-request.202603280527.e67e47c - 2026-03-28

Breaking changes in this release:

  • 💥 styleOptions.bubbleImageHeight is being deprecated in favor of styleOptions.bubbleImageMaxHeight and styleOptions.bubbleImageMinHeight. The option will be removed on or after 2026-07-05
  • 💥 styleOptions.bubbleMaxWidth/bubbleMinWidth is being deprecated in favor of styleOptions.bubbleAttachmentMaxWidth/bubbleAttachmentMinWidth and styleOptions.bubbleMessageMaxWidth/bubbleMessageMinWidth. The option will be removed on or after 2026-10-08
  • 💥 Moved to micromark for rendering Markdown, instead of markdown-it
  • Please refer to PR #5330 for details
  • 💥 HTML sanitizer is moved from renderMarkdown to HTML content transformer middleware, please refer to PR #5338
  • If you customized renderMarkdown with a custom HTML sanitizer, please move the HTML sanitizer to the new HTML content transformer middleware
  • 💥 useGroupActivities hook is being deprecated in favor of the useGroupActivitiesByName hook. The hook will be removed on or after 2027-05-04
  • 💥 useSuggestedActions() hook is being deprecated in favor of the useSuggestedActionsHooks().useSuggestedActions() hook. The hook will be removed on or after 2027-05-30
  • 💥 The following middleware should be created using their respective factory function:
  • activityBorderDecoratorMiddleware, related to PR #5504, #5510
  • activityGroupingDecoratorMiddleware, related to PR #5504
  • sendBoxMiddleware, related to PR #5504
  • sendBoxToolbarMiddleware, related to PR #5504
  • 💥 styleOptions.hideUploadButton is being deprecated in favor of styleOptions.disableFileUpload. The option will be removed on or after 2027-07-14
  • 💥 botframework-directlinespeech-sdk no longer ponyfill AbortController, it is supported by modern browsers, in PR #5530
  • 💥 activityMiddleware is being deprecated in favor of polymiddleware. It will be removed on or after 2027-08-16, related to PR #5515
  • 💥 Root-level (unconnected) Claim entity is being deprecated, in PR #5564, by @compulim. It will be removed on or after 2027-08-29
  • Use entities[@id=""][@type="Message"].citation[@type="Claim"] instead
  • 💥 activityStatusMiddleware.nextVisibleActivity and activityStatusMiddleware.sameTimestampGroup is removed after deprecation, in PR #5565, by @compulim

Added

  • (Experimental) Added pre-chat message with starter prompts in Fluent UI, in PR #5255 and #5263, by @compulim
  • (Experimental) Added isPrimary props to Fluent UI send box. When set, will wire up with useSendBoxValue and works with starter prompts in pre-chat message, in PR #5257, by @compulim
  • (Experimental) Expand Fluent theme support to activities and transcript, in PR #5258, by @OEvgeny
  • Added new Fluent UI theme variant "copilot" with updated styling and components, in PR #5258, by @OEvgeny
  • Introduced ActivityDecorator component for enhanced message styling and layout, in PR #5258, by @OEvgeny
  • Added CopilotMessageHeader component for displaying bot information in the "copilot" variant, in PR #5258, by @OEvgeny
  • Updated Fluent theme styling to improve accessibility and visual consistency, in PR #5258, by @OEvgeny
  • Fixed header font in copilot variant, in PR #5261, by @OEvgeny
  • Added "Copy" button to bot messages in Fluent UI if it contains keyword AllowCopy, in PR #5259, #5262, and #5285, by @compulim
  • Resolves #4876 and #4939. Added support of informative message in livestreaming, by @compulim, in PR #5265
  • Introduced centralized announcements approach via the new usePushToLiveRegion hook, in PR #5251, by @OEvgeny
  • Added keyboard shortcut for the "New Messages" button, in PR #5251, by @OEvgeny
  • Added decorators for loading and completion states to the Fluent theme, in PR #5269, by @OEvgeny
  • Added blueprint of starter prompts in the Fluent theme, in PR #5270, #5276, #5279, and #5284, by @OEvgeny and @compulim
  • Added support for liner message activities in the Fluent theme, in PR #5272, by @OEvgeny
  • Added new uiState props and useUIState hook, in PR #5276, by @compulim
  • (Experimental) Added support for using Web Chat inside a shadow DOM, in PR #5196, by @OEvgeny
    • Added styleOptions.stylesRoot property allowing users to specify the root node where Web Chat styles should be placed, in PR #5196, by @OEvgeny
    • Added the ThemeProvider.styles property, allowing theme packages to place styles into the same root node as Web Chat, in PR #5196, by @OEvgeny
    • Added nonce for Fluent and react-scroll-to-bottom injected styles, in PR #5196, by @OEvgeny
    • Updated react-scroll-to-bottom to version 4.2.1-main.53844f5, in PR #5196, by @OEvgeny
    • Updated react-film to version 3.1.1-main.f623bf6, in PR #5196, by @OEvgeny
  • (Experimental) Added CSS decorator support into Web Chat white-label experience, in PR #5312, by @OEvgeny
    • Introduced WebChatDecorator component for adding animated borders to activities, in PR #5312
    • Added new style options borderAnimationColor1, borderAnimationColor2, and borderAnimationColor3 for customizing decorator colors, in PR [microsoft#5312](https://github.com/mi...
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v4.18.1-feat-create-request.202603271853.f4e68c2

27 Mar 18:57
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v4.18.1-feat-create-request.202603271853.f4e68c2
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v4.18.1-feat-create-request.202603271853.f4e68c2 Pre-release
Pre-release

This release is for internal testing only. Please do not use this build in production environment.

Build time Run ID Source version Git ref Package version
2026-03-27 18:57:47Z 23662468833 f4e68c2 refs/heads/feat-create-request 4.18.1-feat-create-request.202603271853.f4e68c2 
<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603271853.f4e68c2/dist/webchat.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603271853.f4e68c2/dist/webchat-es5.js"
></script>

<script
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  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603271853.f4e68c2/dist/webchat-minimal.js"
></script>

Changelog

4.18.1-feat-create-request.202603271853.f4e68c2 - 2026-03-27

Breaking changes in this release:

  • 💥 styleOptions.bubbleImageHeight is being deprecated in favor of styleOptions.bubbleImageMaxHeight and styleOptions.bubbleImageMinHeight. The option will be removed on or after 2026-07-05
  • 💥 styleOptions.bubbleMaxWidth/bubbleMinWidth is being deprecated in favor of styleOptions.bubbleAttachmentMaxWidth/bubbleAttachmentMinWidth and styleOptions.bubbleMessageMaxWidth/bubbleMessageMinWidth. The option will be removed on or after 2026-10-08
  • 💥 Moved to micromark for rendering Markdown, instead of markdown-it
  • Please refer to PR #5330 for details
  • 💥 HTML sanitizer is moved from renderMarkdown to HTML content transformer middleware, please refer to PR #5338
  • If you customized renderMarkdown with a custom HTML sanitizer, please move the HTML sanitizer to the new HTML content transformer middleware
  • 💥 useGroupActivities hook is being deprecated in favor of the useGroupActivitiesByName hook. The hook will be removed on or after 2027-05-04
  • 💥 useSuggestedActions() hook is being deprecated in favor of the useSuggestedActionsHooks().useSuggestedActions() hook. The hook will be removed on or after 2027-05-30
  • 💥 The following middleware should be created using their respective factory function:
  • activityBorderDecoratorMiddleware, related to PR #5504, #5510
  • activityGroupingDecoratorMiddleware, related to PR #5504
  • sendBoxMiddleware, related to PR #5504
  • sendBoxToolbarMiddleware, related to PR #5504
  • 💥 styleOptions.hideUploadButton is being deprecated in favor of styleOptions.disableFileUpload. The option will be removed on or after 2027-07-14
  • 💥 botframework-directlinespeech-sdk no longer ponyfill AbortController, it is supported by modern browsers, in PR #5530
  • 💥 activityMiddleware is being deprecated in favor of polymiddleware. It will be removed on or after 2027-08-16, related to PR #5515
  • 💥 Root-level (unconnected) Claim entity is being deprecated, in PR #5564, by @compulim. It will be removed on or after 2027-08-29
  • Use entities[@id=""][@type="Message"].citation[@type="Claim"] instead
  • 💥 activityStatusMiddleware.nextVisibleActivity and activityStatusMiddleware.sameTimestampGroup is removed after deprecation, in PR #5565, by @compulim

Added

  • (Experimental) Added pre-chat message with starter prompts in Fluent UI, in PR #5255 and #5263, by @compulim
  • (Experimental) Added isPrimary props to Fluent UI send box. When set, will wire up with useSendBoxValue and works with starter prompts in pre-chat message, in PR #5257, by @compulim
  • (Experimental) Expand Fluent theme support to activities and transcript, in PR #5258, by @OEvgeny
  • Added new Fluent UI theme variant "copilot" with updated styling and components, in PR #5258, by @OEvgeny
  • Introduced ActivityDecorator component for enhanced message styling and layout, in PR #5258, by @OEvgeny
  • Added CopilotMessageHeader component for displaying bot information in the "copilot" variant, in PR #5258, by @OEvgeny
  • Updated Fluent theme styling to improve accessibility and visual consistency, in PR #5258, by @OEvgeny
  • Fixed header font in copilot variant, in PR #5261, by @OEvgeny
  • Added "Copy" button to bot messages in Fluent UI if it contains keyword AllowCopy, in PR #5259, #5262, and #5285, by @compulim
  • Resolves #4876 and #4939. Added support of informative message in livestreaming, by @compulim, in PR #5265
  • Introduced centralized announcements approach via the new usePushToLiveRegion hook, in PR #5251, by @OEvgeny
  • Added keyboard shortcut for the "New Messages" button, in PR #5251, by @OEvgeny
  • Added decorators for loading and completion states to the Fluent theme, in PR #5269, by @OEvgeny
  • Added blueprint of starter prompts in the Fluent theme, in PR #5270, #5276, #5279, and #5284, by @OEvgeny and @compulim
  • Added support for liner message activities in the Fluent theme, in PR #5272, by @OEvgeny
  • Added new uiState props and useUIState hook, in PR #5276, by @compulim
  • (Experimental) Added support for using Web Chat inside a shadow DOM, in PR #5196, by @OEvgeny
    • Added styleOptions.stylesRoot property allowing users to specify the root node where Web Chat styles should be placed, in PR #5196, by @OEvgeny
    • Added the ThemeProvider.styles property, allowing theme packages to place styles into the same root node as Web Chat, in PR #5196, by @OEvgeny
    • Added nonce for Fluent and react-scroll-to-bottom injected styles, in PR #5196, by @OEvgeny
    • Updated react-scroll-to-bottom to version 4.2.1-main.53844f5, in PR #5196, by @OEvgeny
    • Updated react-film to version 3.1.1-main.f623bf6, in PR #5196, by @OEvgeny
  • (Experimental) Added CSS decorator support into Web Chat white-label experience, in PR #5312, by @OEvgeny
    • Introduced WebChatDecorator component for adding animated borders to activities, in PR #5312
    • Added new style options borderAnimationColor1, borderAnimationColor2, and borderAnimationColor3 for customizing decorator colors, in PR [microsoft#5312](https://github.com/mi...
Read more
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v4.18.1-feat-create-request.202603270706.3f26e43

27 Mar 07:10
@github-actions github-actions
v4.18.1-feat-create-request.202603270706.3f26e43
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v4.18.1-feat-create-request.202603270706.3f26e43 Pre-release
Pre-release

This release is for internal testing only. Please do not use this build in production environment.

Build time Run ID Source version Git ref Package version
2026-03-27 07:10:51Z 23635272011 3f26e43 refs/heads/feat-create-request 4.18.1-feat-create-request.202603270706.3f26e43 
<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603270706.3f26e43/dist/webchat.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603270706.3f26e43/dist/webchat-es5.js"
></script>

<script
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  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603270706.3f26e43/dist/webchat-minimal.js"
></script>

Changelog

4.18.1-feat-create-request.202603270706.3f26e43 - 2026-03-27

Breaking changes in this release:

  • 💥 styleOptions.bubbleImageHeight is being deprecated in favor of styleOptions.bubbleImageMaxHeight and styleOptions.bubbleImageMinHeight. The option will be removed on or after 2026-07-05
  • 💥 styleOptions.bubbleMaxWidth/bubbleMinWidth is being deprecated in favor of styleOptions.bubbleAttachmentMaxWidth/bubbleAttachmentMinWidth and styleOptions.bubbleMessageMaxWidth/bubbleMessageMinWidth. The option will be removed on or after 2026-10-08
  • 💥 Moved to micromark for rendering Markdown, instead of markdown-it
  • Please refer to PR #5330 for details
  • 💥 HTML sanitizer is moved from renderMarkdown to HTML content transformer middleware, please refer to PR #5338
  • If you customized renderMarkdown with a custom HTML sanitizer, please move the HTML sanitizer to the new HTML content transformer middleware
  • 💥 useGroupActivities hook is being deprecated in favor of the useGroupActivitiesByName hook. The hook will be removed on or after 2027-05-04
  • 💥 useSuggestedActions() hook is being deprecated in favor of the useSuggestedActionsHooks().useSuggestedActions() hook. The hook will be removed on or after 2027-05-30
  • 💥 The following middleware should be created using their respective factory function:
  • activityBorderDecoratorMiddleware, related to PR #5504, #5510
  • activityGroupingDecoratorMiddleware, related to PR #5504
  • sendBoxMiddleware, related to PR #5504
  • sendBoxToolbarMiddleware, related to PR #5504
  • 💥 styleOptions.hideUploadButton is being deprecated in favor of styleOptions.disableFileUpload. The option will be removed on or after 2027-07-14
  • 💥 botframework-directlinespeech-sdk no longer ponyfill AbortController, it is supported by modern browsers, in PR #5530
  • 💥 activityMiddleware is being deprecated in favor of polymiddleware. It will be removed on or after 2027-08-16, related to PR #5515
  • 💥 Root-level (unconnected) Claim entity is being deprecated, in PR #5564, by @compulim. It will be removed on or after 2027-08-29
  • Use entities[@id=""][@type="Message"].citation[@type="Claim"] instead
  • 💥 activityStatusMiddleware.nextVisibleActivity and activityStatusMiddleware.sameTimestampGroup is removed after deprecation, in PR #5565, by @compulim

Added

  • (Experimental) Added pre-chat message with starter prompts in Fluent UI, in PR #5255 and #5263, by @compulim
  • (Experimental) Added isPrimary props to Fluent UI send box. When set, will wire up with useSendBoxValue and works with starter prompts in pre-chat message, in PR #5257, by @compulim
  • (Experimental) Expand Fluent theme support to activities and transcript, in PR #5258, by @OEvgeny
  • Added new Fluent UI theme variant "copilot" with updated styling and components, in PR #5258, by @OEvgeny
  • Introduced ActivityDecorator component for enhanced message styling and layout, in PR #5258, by @OEvgeny
  • Added CopilotMessageHeader component for displaying bot information in the "copilot" variant, in PR #5258, by @OEvgeny
  • Updated Fluent theme styling to improve accessibility and visual consistency, in PR #5258, by @OEvgeny
  • Fixed header font in copilot variant, in PR #5261, by @OEvgeny
  • Added "Copy" button to bot messages in Fluent UI if it contains keyword AllowCopy, in PR #5259, #5262, and #5285, by @compulim
  • Resolves #4876 and #4939. Added support of informative message in livestreaming, by @compulim, in PR #5265
  • Introduced centralized announcements approach via the new usePushToLiveRegion hook, in PR #5251, by @OEvgeny
  • Added keyboard shortcut for the "New Messages" button, in PR #5251, by @OEvgeny
  • Added decorators for loading and completion states to the Fluent theme, in PR #5269, by @OEvgeny
  • Added blueprint of starter prompts in the Fluent theme, in PR #5270, #5276, #5279, and #5284, by @OEvgeny and @compulim
  • Added support for liner message activities in the Fluent theme, in PR #5272, by @OEvgeny
  • Added new uiState props and useUIState hook, in PR #5276, by @compulim
  • (Experimental) Added support for using Web Chat inside a shadow DOM, in PR #5196, by @OEvgeny
    • Added styleOptions.stylesRoot property allowing users to specify the root node where Web Chat styles should be placed, in PR #5196, by @OEvgeny
    • Added the ThemeProvider.styles property, allowing theme packages to place styles into the same root node as Web Chat, in PR #5196, by @OEvgeny
    • Added nonce for Fluent and react-scroll-to-bottom injected styles, in PR #5196, by @OEvgeny
    • Updated react-scroll-to-bottom to version 4.2.1-main.53844f5, in PR #5196, by @OEvgeny
    • Updated react-film to version 3.1.1-main.f623bf6, in PR #5196, by @OEvgeny
  • (Experimental) Added CSS decorator support into Web Chat white-label experience, in PR #5312, by @OEvgeny
    • Introduced WebChatDecorator component for adding animated borders to activities, in PR #5312
    • Added new style options borderAnimationColor1, borderAnimationColor2, and borderAnimationColor3 for customizing decorator colors, in PR [microsoft#5312](https://github.com/mi...
Read more
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v4.18.1-feat-create-request.202603270653.cbf570a

27 Mar 06:58
@github-actions github-actions
v4.18.1-feat-create-request.202603270653.cbf570a
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v4.18.1-feat-create-request.202603270653.cbf570a Pre-release
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This release is for internal testing only. Please do not use this build in production environment.

Build time Run ID Source version Git ref Package version
2026-03-27 06:58:14Z 23634930114 cbf570a refs/heads/feat-create-request 4.18.1-feat-create-request.202603270653.cbf570a 
<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603270653.cbf570a/dist/webchat.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603270653.cbf570a/dist/webchat-es5.js"
></script>

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  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603270653.cbf570a/dist/webchat-minimal.js"
></script>

Changelog

4.18.1-feat-create-request.202603270653.cbf570a - 2026-03-27

Breaking changes in this release:

  • 💥 styleOptions.bubbleImageHeight is being deprecated in favor of styleOptions.bubbleImageMaxHeight and styleOptions.bubbleImageMinHeight. The option will be removed on or after 2026-07-05
  • 💥 styleOptions.bubbleMaxWidth/bubbleMinWidth is being deprecated in favor of styleOptions.bubbleAttachmentMaxWidth/bubbleAttachmentMinWidth and styleOptions.bubbleMessageMaxWidth/bubbleMessageMinWidth. The option will be removed on or after 2026-10-08
  • 💥 Moved to micromark for rendering Markdown, instead of markdown-it
  • Please refer to PR #5330 for details
  • 💥 HTML sanitizer is moved from renderMarkdown to HTML content transformer middleware, please refer to PR #5338
  • If you customized renderMarkdown with a custom HTML sanitizer, please move the HTML sanitizer to the new HTML content transformer middleware
  • 💥 useGroupActivities hook is being deprecated in favor of the useGroupActivitiesByName hook. The hook will be removed on or after 2027-05-04
  • 💥 useSuggestedActions() hook is being deprecated in favor of the useSuggestedActionsHooks().useSuggestedActions() hook. The hook will be removed on or after 2027-05-30
  • 💥 The following middleware should be created using their respective factory function:
  • activityBorderDecoratorMiddleware, related to PR #5504, #5510
  • activityGroupingDecoratorMiddleware, related to PR #5504
  • sendBoxMiddleware, related to PR #5504
  • sendBoxToolbarMiddleware, related to PR #5504
  • 💥 styleOptions.hideUploadButton is being deprecated in favor of styleOptions.disableFileUpload. The option will be removed on or after 2027-07-14
  • 💥 botframework-directlinespeech-sdk no longer ponyfill AbortController, it is supported by modern browsers, in PR #5530
  • 💥 activityMiddleware is being deprecated in favor of polymiddleware. It will be removed on or after 2027-08-16, related to PR #5515
  • 💥 Root-level (unconnected) Claim entity is being deprecated, in PR #5564, by @compulim. It will be removed on or after 2027-08-29
  • Use entities[@id=""][@type="Message"].citation[@type="Claim"] instead
  • 💥 activityStatusMiddleware.nextVisibleActivity and activityStatusMiddleware.sameTimestampGroup is removed after deprecation, in PR #5565, by @compulim

Added

  • (Experimental) Added pre-chat message with starter prompts in Fluent UI, in PR #5255 and #5263, by @compulim
  • (Experimental) Added isPrimary props to Fluent UI send box. When set, will wire up with useSendBoxValue and works with starter prompts in pre-chat message, in PR #5257, by @compulim
  • (Experimental) Expand Fluent theme support to activities and transcript, in PR #5258, by @OEvgeny
  • Added new Fluent UI theme variant "copilot" with updated styling and components, in PR #5258, by @OEvgeny
  • Introduced ActivityDecorator component for enhanced message styling and layout, in PR #5258, by @OEvgeny
  • Added CopilotMessageHeader component for displaying bot information in the "copilot" variant, in PR #5258, by @OEvgeny
  • Updated Fluent theme styling to improve accessibility and visual consistency, in PR #5258, by @OEvgeny
  • Fixed header font in copilot variant, in PR #5261, by @OEvgeny
  • Added "Copy" button to bot messages in Fluent UI if it contains keyword AllowCopy, in PR #5259, #5262, and #5285, by @compulim
  • Resolves #4876 and #4939. Added support of informative message in livestreaming, by @compulim, in PR #5265
  • Introduced centralized announcements approach via the new usePushToLiveRegion hook, in PR #5251, by @OEvgeny
  • Added keyboard shortcut for the "New Messages" button, in PR #5251, by @OEvgeny
  • Added decorators for loading and completion states to the Fluent theme, in PR #5269, by @OEvgeny
  • Added blueprint of starter prompts in the Fluent theme, in PR #5270, #5276, #5279, and #5284, by @OEvgeny and @compulim
  • Added support for liner message activities in the Fluent theme, in PR #5272, by @OEvgeny
  • Added new uiState props and useUIState hook, in PR #5276, by @compulim
  • (Experimental) Added support for using Web Chat inside a shadow DOM, in PR #5196, by @OEvgeny
    • Added styleOptions.stylesRoot property allowing users to specify the root node where Web Chat styles should be placed, in PR #5196, by @OEvgeny
    • Added the ThemeProvider.styles property, allowing theme packages to place styles into the same root node as Web Chat, in PR #5196, by @OEvgeny
    • Added nonce for Fluent and react-scroll-to-bottom injected styles, in PR #5196, by @OEvgeny
    • Updated react-scroll-to-bottom to version 4.2.1-main.53844f5, in PR #5196, by @OEvgeny
    • Updated react-film to version 3.1.1-main.f623bf6, in PR #5196, by @OEvgeny
  • (Experimental) Added CSS decorator support into Web Chat white-label experience, in PR #5312, by @OEvgeny
    • Introduced WebChatDecorator component for adding animated borders to activities, in PR #5312
    • Added new style options borderAnimationColor1, borderAnimationColor2, and borderAnimationColor3 for customizing decorator colors, in PR [microsoft#5312](https://github.com/mi...
Read more
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v4.18.1-feat-create-request.202603270646.6a86b9a

27 Mar 06:50
@github-actions github-actions
v4.18.1-feat-create-request.202603270646.6a86b9a
6a86b9a
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v4.18.1-feat-create-request.202603270646.6a86b9a Pre-release
Pre-release

This release is for internal testing only. Please do not use this build in production environment.

Build time Run ID Source version Git ref Package version
2026-03-27 06:50:41Z 23634729202 6a86b9a refs/heads/feat-create-request 4.18.1-feat-create-request.202603270646.6a86b9a 
<script
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  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603270646.6a86b9a/dist/webchat.js"
></script>

<script
  crossorigin="anonymous"
  integrity="sha384-OLBgp1GsljhM2TJ+sbHjaiH9txEUvgdDTAzHv2P24donTt6/529l+9Ua0vFImLlb"
  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603270646.6a86b9a/dist/webchat-es5.js"
></script>

<script
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  src="https://cdn.botframework.com/botframework-webchat@4.18.1-feat-create-request.202603270646.6a86b9a/dist/webchat-minimal.js"
></script>

Changelog

4.18.1-feat-create-request.202603270646.6a86b9a - 2026-03-27

Breaking changes in this release:

  • 💥 styleOptions.bubbleImageHeight is being deprecated in favor of styleOptions.bubbleImageMaxHeight and styleOptions.bubbleImageMinHeight. The option will be removed on or after 2026-07-05
  • 💥 styleOptions.bubbleMaxWidth/bubbleMinWidth is being deprecated in favor of styleOptions.bubbleAttachmentMaxWidth/bubbleAttachmentMinWidth and styleOptions.bubbleMessageMaxWidth/bubbleMessageMinWidth. The option will be removed on or after 2026-10-08
  • 💥 Moved to micromark for rendering Markdown, instead of markdown-it
  • Please refer to PR #5330 for details
  • 💥 HTML sanitizer is moved from renderMarkdown to HTML content transformer middleware, please refer to PR #5338
  • If you customized renderMarkdown with a custom HTML sanitizer, please move the HTML sanitizer to the new HTML content transformer middleware
  • 💥 useGroupActivities hook is being deprecated in favor of the useGroupActivitiesByName hook. The hook will be removed on or after 2027-05-04
  • 💥 useSuggestedActions() hook is being deprecated in favor of the useSuggestedActionsHooks().useSuggestedActions() hook. The hook will be removed on or after 2027-05-30
  • 💥 The following middleware should be created using their respective factory function:
  • activityBorderDecoratorMiddleware, related to PR #5504, #5510
  • activityGroupingDecoratorMiddleware, related to PR #5504
  • sendBoxMiddleware, related to PR #5504
  • sendBoxToolbarMiddleware, related to PR #5504
  • 💥 styleOptions.hideUploadButton is being deprecated in favor of styleOptions.disableFileUpload. The option will be removed on or after 2027-07-14
  • 💥 botframework-directlinespeech-sdk no longer ponyfill AbortController, it is supported by modern browsers, in PR #5530
  • 💥 activityMiddleware is being deprecated in favor of polymiddleware. It will be removed on or after 2027-08-16, related to PR #5515
  • 💥 Root-level (unconnected) Claim entity is being deprecated, in PR #5564, by @compulim. It will be removed on or after 2027-08-29
  • Use entities[@id=""][@type="Message"].citation[@type="Claim"] instead
  • 💥 activityStatusMiddleware.nextVisibleActivity and activityStatusMiddleware.sameTimestampGroup is removed after deprecation, in PR #5565, by @compulim

Added

  • (Experimental) Added pre-chat message with starter prompts in Fluent UI, in PR #5255 and #5263, by @compulim
  • (Experimental) Added isPrimary props to Fluent UI send box. When set, will wire up with useSendBoxValue and works with starter prompts in pre-chat message, in PR #5257, by @compulim
  • (Experimental) Expand Fluent theme support to activities and transcript, in PR #5258, by @OEvgeny
  • Added new Fluent UI theme variant "copilot" with updated styling and components, in PR #5258, by @OEvgeny
  • Introduced ActivityDecorator component for enhanced message styling and layout, in PR #5258, by @OEvgeny
  • Added CopilotMessageHeader component for displaying bot information in the "copilot" variant, in PR #5258, by @OEvgeny
  • Updated Fluent theme styling to improve accessibility and visual consistency, in PR #5258, by @OEvgeny
  • Fixed header font in copilot variant, in PR #5261, by @OEvgeny
  • Added "Copy" button to bot messages in Fluent UI if it contains keyword AllowCopy, in PR #5259, #5262, and #5285, by @compulim
  • Resolves #4876 and #4939. Added support of informative message in livestreaming, by @compulim, in PR #5265
  • Introduced centralized announcements approach via the new usePushToLiveRegion hook, in PR #5251, by @OEvgeny
  • Added keyboard shortcut for the "New Messages" button, in PR #5251, by @OEvgeny
  • Added decorators for loading and completion states to the Fluent theme, in PR #5269, by @OEvgeny
  • Added blueprint of starter prompts in the Fluent theme, in PR #5270, #5276, #5279, and #5284, by @OEvgeny and @compulim
  • Added support for liner message activities in the Fluent theme, in PR #5272, by @OEvgeny
  • Added new uiState props and useUIState hook, in PR #5276, by @compulim
  • (Experimental) Added support for using Web Chat inside a shadow DOM, in PR #5196, by @OEvgeny
    • Added styleOptions.stylesRoot property allowing users to specify the root node where Web Chat styles should be placed, in PR #5196, by @OEvgeny
    • Added the ThemeProvider.styles property, allowing theme packages to place styles into the same root node as Web Chat, in PR #5196, by @OEvgeny
    • Added nonce for Fluent and react-scroll-to-bottom injected styles, in PR #5196, by @OEvgeny
    • Updated react-scroll-to-bottom to version 4.2.1-main.53844f5, in PR #5196, by @OEvgeny
    • Updated react-film to version 3.1.1-main.f623bf6, in PR #5196, by @OEvgeny
  • (Experimental) Added CSS decorator support into Web Chat white-label experience, in PR #5312, by @OEvgeny
    • Introduced WebChatDecorator component for adding animated borders to activities, in PR #5312
    • Added new style options borderAnimationColor1, borderAnimationColor2, and borderAnimationColor3 for customizing decorator colors, in PR [microsoft#5312](https://github.com/mi...
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Continuous integration (refs/heads/feat-acs-chat-adapter)

21 Apr 23:35
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2021-04-21 23:35:33Z 772361561 afb4b21 refs/heads/feat-acs-chat-adapter `` 
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Daily (refs/heads/main)

24 Sep 18:42
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2024-09-24 18:42:30Z 11019919848 346061b refs/heads/main 4.18.1-main.346061b 
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