Today marks the 5 year anniversary of try syntax. For the uninitiated, try syntax is a string that you put into your commit message which a parser then uses to determine the set of builds and tests to run on your try push. A common try syntax might look like this: try: -b o -p linux -u mochitest -t none Since inception, it has been a core part of the Mozilla development workflow. For many years it has served us well, and even today it serves us passably. But it is almost time for try syntax t...