STELLARIS WIKI: https://stellaris.paradoxwikis.com/Stellaris_Wiki TECH TREE LINK: https://turanar.github.io/stellaris-tech-tree/ Post any very useful quick tips below.
With the addition of Federations DLC, "Envoys" are powerful tools for improving relations and political weight in the galactic senate. But typically, you only start with one Envoy and its not very clear how to get more. Here is how to do that: https://www.gamespew.com/2020/04/how-to-gain-more-envoys-in-stellaris/