To prevent further frustration from forgotten tricks I brain dumped the less-than-obvious stuff that I can remember from #Ghidra development in my brand new Ghidra Dev Cheat Sheet:

https://scrapco.de/ghidra-cheat-sheet/

PR's and suggestions are most welcome!

Aside of the awesome diagrams that Mermaid.js can generate I'd like to highlight this script that is really helpful when you want to figure out how #decompiler represents different pieces of code:

https://github.com/v-p-b/ghidra-cheat-sheet/blob/main/scripts/dump_clang.py

Sample output:

https://scrapco.de/ghidra-cheat-sheet/decompiler/structure_samples/