Documented #2387 in FEATURES.md

[jajhall]

Merged without thinking - and the build changes are still to be added

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.33%. Comparing base (af1592f) to head (3f59817).
⚠️ Report is 23 commits behind head on latest.

Additional details and impacted files

@@            Coverage Diff             @@
##           latest    #2840      +/-   ##
==========================================
- Coverage   80.34%   80.33%   -0.01%     
==========================================
  Files         348      348              
  Lines       86216    86216              
==========================================
- Hits        69267    69265       -2     
- Misses      16949    16951       +2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[galabovaa]

Note that I added my 2 PR updates to FEATURES in #2836