When loading the workspace.json in 4.11 :
Mode prod
1st load in prod 15s + 15s of serialization including 10s of findLocale
2ne load in prod 2.7s + 6.6s of serialization including 6.6s of findLocale
Adding a request attribute to save the locale leads to
Mode prod
1st load in prod 5s + 5s of serialization including 10s of findLocale
2ne load in prod 3s + 0.1s of serialization including 0s of findLocale