0.13 will bring the first iteration of one of the biggest features I've wanted to add since I started work on Tic-tac-toe Collection - multi-device multiplayer.
This first version brings multiplayer to devices on the same local area network - generally devices connected to the same WiFi.
All the options currently available to single-device play are available to multiple-device play. You can join with any number of players from each device and games can be saved and then resumed later. For the first version, they have to be resumed with the same devices (although not necessarily the same host), but I plan to lift that restriction in the future (it requires more complicated UI flow).
I hope to have a version in the beta channel shortly. I am still working to make the process more resilient to various problems that are common in multiplayer games.
As I said, this is just the first iteration of multiplayer. The next step is likely to be private games over the internet, followed by match-made games over the internet. How soon that will be, I do not know. I have other features I want to add in the meantime. So, watch this space…