I believe that this indicates that uFMXChromium is somewhere including a VCL unit.[dcc32 Hint] H2161 Warning: Duplicate resource: Type 12 (CURSOR GROUP), ID 32761; File c:\program files (x86)\embarcadero\studio\20.0\lib\Win32\release\Controls.res resource kept; file c:\program files (x86)\embarcadero\studio\20.0\lib\Win32\release\FMX.Controls.Win.res resource discarded.
(The CEF4Delphi version dates back to January this year, but I haven't seen any mention in these forums of this being fixed in later versions.)