I’m seeing what seems to be about the same. I have had addressables working for several months now. Sometime recently the data files stopped showing up in the build (but are found when running from the editor). I have been using 2022.3.5f1, then 2022.3.7f1, and now 2022.3.8f1. Addressables 1.21.17 now.
Maybe a difference for me is that I no longer get any Addressables Reports. I can go to Window->Asset Management->Addressables->Groups, and run Build->New Build->Default Build Script, The Addressables Report window comes up and is still empty (no new report in Library/com.unity.addressables/BuildReports). The Console happily reports “Addressable content successfully built (duration : 0:00:01.153)”, suspiciously fast for 168MB of files in the addressables group.
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Ok, for me in 2024 building for android literally randomly includes the addressables or not. and every time I have to look at the built apk size if it’s 520mb I know addressables are included, if it’s 350 I know it wasn’t included… Thanks unity!! I’m really not sarcastic here or passive aggressive 
this is the least broken feature in Unity for me 
so I’m actually grateful that it even works in the end lol.
Addressables noob here. I had a similar problem and it turned out that many (not all) of my addressable groups had no schemas. Those without schemas was excluded from the build, which probably makes a lot of sense. Adding schemas included the groups and their assets correctly in the build.