When you try to setup fontWeight, the text style will no be changed. This problem is reproducible on both iOS and Android. Only bold font weight will be applied. Attaching sample project, where the issue could be debugged.

Which platform(s) does your issue occur on?

Both

Please provide the following version numbers that your issue occurs with:

• CLI: 2.5.5 and 3.0.3
• Cross-platform modules: 2.5.2, 3.0.1
  Archive.zip

t,1113363