Mix phx.server does not recompile on changes!

Questions & Help Questions
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I’m experiencing a similar issue after a system crash in the middle of developing my app (the phx.server was running).
The reason for crash is unknown (could be related to a faulty keyboard on my laptop).

Problem

The auto-recompile no longer happens, but manual recompile does see and recompile the changes, then I have to manually refresh the browser to see changes.
Same for all files: .ex, .eex, .leex, .scss

Note: I never changed any config records related to :code_reloader and they seem to be Ok, i.e. true for dev.

The following didn’t help:

  1. Manually updated all deps to latest versions.
  2. Manually removed the folders _build/, deps and node_modules and reinstalled latest dependencies.
  3. Replaced the local repo with freshly cloned from remote and ran mix setup with latest versions for all deps in mix.ex.
  4. Uninstalled Elixir-LS extension for VS Code.

Observation

I couldn’t reproduce this behavior, i.e. live code reloading works fine on a newly created app (with `mix phx.new testapp --live).

My setup:

OS: MX-18.3_x64
Elixir: Elixir 1.11.2 (Erlang/OTP 23)
Editor: VS Code (latest)

I’m not sure what to try next, so any help in fixing this issue is much appreciated!