Yes, vim + a couple of plugins. It has it’s downsides, but one thing it does well is being familiar, and never breaking a contract. Even the plugins themselves can be pinned to a certain version.
Well, you can pin the IntelliJ IDEs to a version too, and thanks to the "perpetual fallback" license, you can use that version forever (once you have paid for an annual subscription once).
As much as I love Vim, it simply isn't an IDE.
How is the vim + python experience, especially with the debugger?
Admittedly I do update my plugins, but I've had ridiculous levels of breakage with CoC
What Java LSP do you use for Vim?
I imagine doing enterprise level java work with vim is a nightmare.