Release Release msal v1.2.0 · AzureAD/microsoft-authentication-library-for-js

Features:

Iframes Support added (#939, #975, #1053, #1075); msal js now added support for authentication in applications embedded in iframes which implies that an application can now call loginPopup(), acquireTokenSilent() and acquireTokenPopup() from iframes.
redirectUri supported as a request parameter (#1116); This feature in conjunction with iframes support improves performance, by providing the application the capability to avoid a full reload of a SPA on redirect. Please refer to the sample in the release notes for the usage details
Multiple Instances (#980, #1010)
Cache changes - to support iframes, multiple instances and other enhancements (#983, #1042, #1067)
fromCache flag added in response to indicate cache vs network response for a request (#1114)
Instance Aware support (#969)

request.correlationId is now passed to the service (#1083)
response_mode explicitly set to fragment for all use cases (#1090)
verbose messages and monitoring for timeout errors (#1098, #1113)
handle loginRedirect set to null (#1047)
Fix japanese decoding (#1036, #1054)
Fix Unified cache, Redirect and B2C samples (#933, #959, #1027, #973)
Change location.replace to location.assign to support history in redirect APIs (#1002)