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npm · #3359 most downloaded on npm
A polyfill for the internal diagnostics_channel module
Last release 4 months ago
08 May 2026
Release timing varies
gaps range from 3 weeks to 10 months
Nearly every release is documented
notes for 12 of 12 stable releases
Nothing withdrawn
no release was ever pulled
3 years old
12 releases · first in 2023
One column per quarter.
fix: memoize channel(name) to make Channel identity stable per name by @bm1549 in https://github.com/DataDog/dc-polyfill/pull/27
Full Changelog: https://github.com/DataDog/dc-polyfill/compare/v0.1.10...v0.1.11
> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0. It contains some functionality backported from v22.0.0 / v20.13.0 but not enough to call it fully compatible.
> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0. It contains some functionality backported from v22.0.0 / v20.13.0 but not enough to call it fully compatible.
> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0. It contains some functionality backported from v22.0.0 / v20.13.0 but not enough to call it fully compatible.
> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0. It contains some functionality backported from v22.0.0 / v20.13.0 but not enough to call it fully compatible.
> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0. It contains some functionality backported from v22.0.0 / v20.13.0 but not enough to call it fully compatible.
TracingChannel on Node.js v18.19+ (#13)> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0. It also backports some functionality from v22.0.0 / v20.13.0 but not enough to call it fully compatible.
TracingChannel#hasSubscribers (#11)> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0.
TypeError: Cannot read properties of undefined (reading 'has')> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0.
> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0.
[!TIP]
No code changes were made as of this release.
dc-polyfill since the name is clearer> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0.
[!TIP]
No code changes were made as of this release.
> This version tracks against diagnostics_channel as of Node.js v20.6.0.
[!NOTE]
This version tracks againstdiagnostics_channelas of Node.js v20.6.0.
[!TIP]
This is the initial release of the project.
diagnostics_channel perspective
diagnostics_channel module if it's "perfectly" supporteddiagnostics_channel when it is missing featuresdiagnostics_channel when it contains bugsYour coding agent can read these notes before it upgrades. Set up the MCP server →