Thanks for testing it out so quickly. I was very uncertain how the client would fare, and did not want to disappoint our 10.3.9-users even more by letting out a patched client that did not work.
The problems you refer to are not 10.3.9 specific. I can see them also on the official release when running 10.4 -- I had not noticed it before, though, as I have used quick character creation lately ...

I presume it is related to the following output when running the client:
52856 <src/common/paws/pawswidget.cpp:932 FindWidget>
52856 Could not locate widget Unodin in CharBirth
52856 <src/common/paws/pawswidget.cpp:932 FindWidget>
52856 Could not locate widget Byari in CharBirth
52856 <src/common/paws/pawswidget.cpp:932 FindWidget>
52856 Could not locate widget Treman in CharBirth
52856 <src/common/paws/pawswidget.cpp:932 FindWidget>
52856 Could not locate widget Kravaan in CharBirth
52856 <src/common/paws/pawswidget.cpp:932 FindWidget>
52856 Could not locate widget Quintahl in CharBirth
52856 <src/common/paws/pawswidget.cpp:932 FindWidget>
52857 Could not locate widget Azhord in CharBirth
52857 <src/common/paws/pawswidget.cpp:932 FindWidget>
52857 Could not locate widget Ylaaren in CharBirth
52857 <src/common/paws/pawswidget.cpp:932 FindWidget>
52857 Could not locate widget Dwanden in CharBirth
52857 <src/common/paws/pawswidget.cpp:932 FindWidget>
52857 Could not locate widget Novari in CharBirth
52857 <src/common/paws/pawswidget.cpp:932 FindWidget>
52857 Could not locate widget Yndoli in CharBirth
As to if there will be a universal binary containing both 10.4 and 10.3 support, is not yet decided. For now 10.3.9 will remain as a separate patched client. The main purpose of releasing these files was to get someone to test if this version would run at all. Now that I know that it does, I can begin to think about how to take it further.