microsoft / microsoft/react-native-windows

DevSupportManager is a singleton - but it shouldn't be

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#4,663 2 comments 0 reactions 0 assignees View on GitHub

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Area: Debug Infrastructure bug Workstream: Developer Experience
Dominant language
C++
Stars
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Forks
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Avg merge
1d 13h
Merged PRs (30d)
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Description

If you had multiple instances trying to run in debug mode within a single app, they would try to share the same DevSupportManager, and hit issues.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating DevSupportManager and tracing how its singleton instance is created and accessed. Inspect the callers and any related tests; done means separate debug-mode instances can coexist within one app without sharing the same manager.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, react-native
Domain
devtools, tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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