In a pro­duc­tion we just did, we encoun­tered a really frus­trat­ing bug in Flash. It didn’t allow us to use Swedish character-​sets in cer­tain web browsers as long as we used wmode transparent.

• https://bugs.adobe.com/jira/browse/FP-105
• http://​flash​monk.​blogspot.​com/​2​0​0​7​/​0​8​/​w​m​o​d​e​-​k​e​y​-​f​l​a​s​h​-​b​u​g​.html
• http://​blog.​head​lon​don.​com/​2​0​0​6​/​0​6​/​0​2​/​n​o​-​w​m​o​d​e​-​p​l​e​a​s​e​-​w​e​r​e​-​b​r​itish/