IE 11 Support - APM Rumjs Issue

Any help will be appreciated.

Kibana version: 7.4

Elasticsearch version: -

APM Server version: 7.4.0

APM Agent language and version: RUM JS - 4.4.3

Browser version: IE 11 - 11.0.9600.19403

Original install method (e.g. download page, yum, deb, from source, etc.) and version:

Fresh install or upgraded from other version? **


Is there anything special in your setup? For example, are you using the Logstash or Kafka outputs? Are you using a load balancer in front of the APM Servers? Have you changed index pattern, generated custom templates, changed agent configuration etc. - NO

Description of the problem including expected versus actual behavior. Please include screenshots (if relevant): APM Rum js not loading in IE 11

Steps to reproduce:

  1. Go to []
  2. Go to RUM - JS tab
  3. Follow the steps 1 and 2 (npm install @elastic/apm-rum --save)
  4. Run in localhost and open in IE 11

Errors in browser console (if relevant): SCRIPT1002: Syntax Error
File: vendor.js, Line: 77381, Column: 1

Provide logs and/or server output (if relevant): -

Hi Kumar,

We were allowing the users to run the transpilation step in the previous versions.

This issue is already handled in the current release, Please update the your @elastic/apm-rum to >= 4.5.0 which would fix the above issue.

Link to changelog -


Thank you Vignesh, will update to the latest version

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