Accordance has a new unicode font in the works. It includes characters for English, Greek, Hebrew, Syriac, and more — even DSS transcription like you see listed here. And it includes bold, italic, and bold-italic. They announced this on the Accordance forums. Unfortunately you need a forums account to see the page.
Here are a couple words I typed in Mellel:
Now if that qamets would just slide a bit to the right underneath the daleth, like this אָדָם.
I'm particularly impressed with the fact that all the different language characters are sized appropriately (no gigantic Hebrew and Syriac in comparison to English and Greek):
Here is a PDF where you can see more of the characters included.