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title SharePoint Framework v1.4 release notes
description Release notes for the SharePoint Framework v1.4 release
ms.date 09/08/2021
ms.localizationpriority high

SharePoint Framework v1.4 release notes

Released: December 7, 2017

[!INCLUDE spfx-release-notes-common]

Upgrading projects from v1.3 to v1.4

In the project's package.json file, identify all SPFx v1.3 packages. For each SPFx package:

  1. Uninstall the existing v1.3 package:

    npm uninstall @microsoft/{spfx-package-name}@1.3

  2. Install the refreshed v1.4 package:

    npm install @microsoft/{spfx-package-name}@1.4.0 --save --save-exact

[!INCLUDE spfx-release-upgrade-tip]

New features and capabilities

@microsoft/sp-tslint-rules

  • Introduce a new no-require-ensure rule to facilitate deprecating require.ensure() in favor of the import keyword

@microsoft/sp-build-web

  • Enable build assets to be incorporated into the *.sppkg file and hosted by SharePoint

@microsoft/sp-build-core-tasks

  • Add asyncComponents option to config.json. This setting can be used to avoid imports that would cause a library to be accidentally loaded synchronously instead of asynchronously
  • Introduce the ability to specify a relative path to an icon in a web part or extension manifest

@microsoft/generator-sharepoint

  • Add missing tilde to libraries when generating client-side extension projects
  • Enable skipLibCheck to work around the inconsistent declarations of "WeakMap" in lodash and es2015.collection
  • Add launch.json and extensions.json to the generator SharePoint solution

@microsoft/sp-http

  • Promote SPHttpClientBatch from @alpha to @beta
  • Initial beta release of SPHttpHeader enum and SPHttpClientResponse.correlationId property

@microsoft/sp-loader

  • Disallow loading of components built using SPFx preview releases prior to 1.0

@microsoft/sp-module-interfaces

  • Add preloadListItemProperties to the preloadOptions section of the client-side application manifest
  • Add a "tags" property to the web part manifest
  • Introduce the ability to specify a relative path to an icon in a web part or extension manifest
  • Enable the preloadComponents field to be used with other client-side component manifest types

@microsoft/sp-webpart-base

  • Add shouldNotPersist to IWebPartPropertyMetadata to allow marking web part properties that shouldn't persist on the server

@microsoft/sp-lodash-subset

  • Add escaperegex() function
  • Use lodash-cli to significantly reduce the bundle size for @microsoft/sp-lodash-subset
  • Add find() function

Changes in this release

  • Replace @types/es6-collections with the typescript compiler's built-in es2015.collection library
  • Remove beta tags from some APIs that are now officially supported

@microsoft/generator-sharepoint

  • Update the generator work with older versions of the config.json file, because automatically upgrading it interfered with older branches such as on-premises
  • Include missing ajv dependency in the generated package.json
  • Remove outdated JSON schema settings
  • Fix an issue with parsing on-premises configuration files
  • Fix an issue where we appended "WebPart" to the class name twice when creating a web part with no template
  • Remove a heuristic that was removing parts of the component name, because customers found this confusing
  • Fix an issue where localization files for extensions were overwritten
  • Fix an issue with data bindings for the Knockout web part template
  • Add a suppression for the "CSS class ms-Grid isn't camelCase" warning caused by Fabric
  • Update the Yeoman generator to use @microsoft/sp-office-ui-fabric-core instead of directly referencing office-ui-fabric
  • Update generator's React type declarations to use a newer React-DOM, and remove the deprecated React-addons packages

@microsoft/loader-cased-file

  • Update dependencies and fix a few issues that were causing warnings

@microsoft/sp-office-ui-fabric-core

  • Remove the Z-index support from @microsoft/sp-office-ui-fabric-core

@microsoft/sp-client-preview

  • Replace @types/es6-collections with the TypeScript compiler's built-in es2015.collection library

@microsoft/sp-build-core-tasks

  • Fix an issue where the --locale parameter isn't respected
  • Add batching to dev-deploy and upload-cdn
  • Fix a minor issue with icon URL generation where icon URLs would be missing the CDN prefix
  • Update webpack loaders to get rid of the deprecation warning

@microsoft/sp-webpart-base

  • Fix an issue where the property pane didn't refresh properly
  • Fix an issue with ariaLabel functionality in property pane button
  • Fix an Internet Explorer compatibility issue when a checkbox has a long title
  • Remove @beta designation for WebPartContext

Deprecations and removed items in this release

@microsoft/sp-build-core-tasks

  • Deprecate the UNIT_TEST webpack macro, because this practice made it too easy to accidentally include test code in a production bundle

@microsoft/sp-core-library

  • Deprecated IServiceCollection and UrlQueryParameterCollection

@microsoft/sp-webpart-base

  • Deprecate IWebPartContext