Fixes issue 13985 where abort event listeners that removed themselves when invoked could prevent other event listeners from being invoked.
Support Typescript version < 3.6 by down-leveling the type definition files. (PR 12793)
Updates the tslib dependency to version 2.x.
Fixes the bug 6271 that can occur with angular prod builds due to triple-slash directives. (PR 6344)
This release marks the general availability of the @azure/abort-controller package.
Removed the browser bundle. A browser-compatible library can still be created through the use of a bundler such as Rollup, Webpack, or Parcel. (#5860)
Listeners attached to an AbortSignal now receive an event with the type abort. (PR #4756)