Description:

When opening Rocket.Chat web interface the page stucks on loading with the three loading dots.

Steps to reproduce:

1. Start IE11
2. open https://open.rocket.chat
3. stuck on the loading animation

Expected behavior:

It should load the login form like the other browsers.

Actual behavior:

Page stucks loading with the three loading dots (animated).

Server Setup Information:

• Version of Rocket.Chat Server: our server v1.3.0; open.rocket.chat 2.0.0-develop
• Operating System: Debian
• Deployment Method: Manual install
• Number of Running Instances: 1
• NodeJS Version: v8.16.0
• MongoDB Version: 4.0.11

Additional context

Related Issue #13989, #9385
Maybe related with #14802 but there is an other console log
should have been solved with PR #14422

IE11 support worked with Rocket.Chat v1.1.0, seems to be a regression.