ADDITIONAL SYSTEM INFORMATION :
Windows 10, zulu15.32.15-ca-fx-jre15.0.3-win_x64

A DESCRIPTION OF THE PROBLEM :
After JAVAFX version 15, UserAgent is not set for first http request, even if you manually set UserAgent with this code: webEngine.setUserAgent("MyApp Web Browser 1.0"); first request would not populate UserAgent




STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
code: webEngine.setUserAgent("MyApp Web Browser 1.0")

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
User-Agent: "MyApp Web Browser 1.0"
ACTUAL -
User-Agent: ""

CUSTOMER SUBMITTED WORKAROUND :
No workaround!!!! Use version JavaFX version 15 and below

FREQUENCY : always