I have sublime text build 3170 and I have only two files open. One is almost empty, and the other is only about 100 lines. However, when I keep it open for more than a few minutes, it quickly eats up all the ram, starting to use lots of swap space. This not only makes the editor really slow, having a large delay on even typing letters, but also slows down the rest of the OS too. The highest I’ve seen the memory usage be (ram + swap in Activity Monitor) is 16GB before I quit the app.
I’m running sublime text version 3.1 build 3170 on MacOS 10.13.4