development builds are very slow

[Be-ing]

Building Zed with the dev profile produces an executable that's annoyingly slow to use (as in, keystrokes don't register for seconds) on my Intel Core i7 8550U. I have experimented with Cargo's build options and the minimum settings to make a build that doesn't run super slow are opt-level = 1 and lto = "thin". opt-level = 3 without LTO is still slow. However lto = "thin" makes the build time ridiculously long; it takes my machine 20 minutes to rebuild just the top level zed crate.

Does anyone have tips how to manage this other than faster hardware? The best I have come up with is do one release build and primarily use that, but only use dev builds for testing the changes I'm working on.