ElixirLS 0.30.0

v0.30.0: 17 November 2025

Highlights

• Added support for elixir 1.19 (and OTP 28 on 1.19)

Improvements

• Code.ensure_compiled calls removed from the codebase. There should be less hangs related to compilation and code server congestion on elixir 1.18+
• Mix installer fixes ported from upstream. This should resolve issue with too long paths on Windows
• Added support for excludes in .formatter.exs
• ElixirLS startup script now unsets MIX_OS_DEPS_COMPILE_PARTITION_COUNT as a workaround for mix polluting stdout and breaking JasonRPC communication
• Added support for stream_data property tests in test tracer James E. A.
• Added workaround for elixir crash when formatting test failure in debug adapter
• Added support for elixir 1.19 not in token format
• Ported upstream improvements to dbg macro support in debug adapter
• Dialyxir dependency updated to 1.4.7

Fixes

• Resolved infinite loop in fish shell launch script
• Fixed crash in call hierarchy provider on anonymous calls

Breaking changes

• elixir 1.14 reached end of life and is no longer supported. Consider updating to 1.15+