MSAL.js 2.x incompatible with Azure App Proxy

8/10 High

MSAL.js v2 is not compatible with Azure App Proxy, forcing single-page applications to downgrade to MSAL.js 1.x as a workaround. No timeline given for fixing this incompatibility.

MSAL.jsAzure App Proxy
Category
compatibility
Workaround
hack
Stage
deploy
Freshness
persistent
Scope
single_lib
Upstream
open
Recurring
No
Buyer Type
enterprise
Maintainer
slow

Sources

Collection History

Query: “What are the most common pain points with MSAL for developers in 2025?”4/7/2026

Unfortunately, at this time MSAL.js 2.x is not compatible with Azure App Proxy. Single-page applications will need to use MSAL.js 1.x as a workaround.

Created: 4/7/2026Updated: 4/7/2026