l0ng-aiтаkrmbzds
ea8e04e448
Fixes found while verifying Ruby debugging. An entry point with no arguments reached Ruby's single-string exec in rdbg, so spaces and shell syntax were interpreted; it now goes through ruby -S -- and stays literal. rdbg sends no DAP output or process events, so its output streams are forwarded and drained at shutdown, and the launched process group is terminated on Stop or a failed start; attach leaves the process alone. Bundler lookup respects BUNDLE_GEMFILE and gems.rb, gem discovery uses the configuration's environment, and the missing debug gem message is translated. Refs #2170 Co-authored-by: krmbzds <[email protected]>
The IDE you know, rebuilt in Rust.
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https://github.com/user-attachments/assets/234dd54c-1255-4b3a-b35c-533d78d737c0
OpenIDEA brings the IntelliJ IDEA way of working — its keymap, its tool windows, its search-everything habits — to a native app with a Rust core.
Editor, code insight, debugger, Git, terminal, database and HTTP clients,
for 60+ languages. Builds for macOS, Windows and Linux. On Windows, if you'd
rather skip the installer, each release also ships a portable zip — unpack it
and run openidea.exe.
Benchmark
Opening freqtrade (Python, ~770 files) with warm caches, median of 5 runs:
| OpenIDEA | IntelliJ IDEA 2026.2.3 | |
|---|---|---|
| Window with the project | 0.9 s | 3.1 s |
| Ready (CPU settled) | 1.1 s | 13.2 s |
| Memory (USS, all processes) | 169 MB | 2011 MB |
| CPU time until ready | 2.4 s | 47.9 s |
| Idle CPU | 4 % of a core | 7 % of a core |
| Quit | 0.3 s | 5.9 s |
A release build of OpenIDEA from main and IDEA with default settings and plugins, on
Windows 11, 32-core AMD, 62 GB RAM.
IDEA analyses Python more deeply, so "ready" doesn't mean the same work on
both sides. Both are measured from the outside, the same way: see
perf/compare to run it on your machine and projects.
Plugins
Plugins add actions, completion, quick fixes, tool windows, custom editors, themes, file icons and languages. They run as sandboxed WebAssembly components; themes, icon themes and languages need no code at all.
Install them from Settings › Plugins, or start your own with
openidea-plugin new — see Writing OpenIDEA plugins and
the official plugins. The plugin API is still a preview.
Community
-
Discord — questions, feedback and release news.
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WeChat group — scan to join:
Contributors
License
Apache 2.0. Bundled third-party assets are listed in THIRD_PARTY_LICENSES.md.
Not affiliated with JetBrains. IntelliJ IDEA is a trademark of JetBrains s.r.o.