Remove LaTeX block in favor of Math block in core

[alshakero]

This beta block is not needed anymore. Since Core has a Math block now.

Proposed changes:

Basically revert #44895

Other information:

• Have you written new tests for your changes, if applicable?
• Have you checked the E2E test CI results, and verified that your changes do not break them?
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Jetpack product discussion

Does this pull request change what data or activity we track or use?

Testing instructions:

1. Open the editor.
2. Smoke test.

[github-actions]

Are you an Automattician? Please test your changes on all WordPress.com environments to help mitigate accidental explosions.

• To test on WoA, go to the Plugins menu on a WoA dev site. Click on the "Upload" button and follow the upgrade flow to be able to upload, install, and activate the Jetpack Beta plugin. Once the plugin is active, go to Jetpack > Jetpack Beta, select your plugin (Jetpack or WordPress.com Site Helper), and enable the remove/latex-block branch.
• To test on Simple, run the following command on your sandbox:

bin/jetpack-downloader test jetpack remove/latex-block

bin/jetpack-downloader test jetpack-mu-wpcom-plugin remove/latex-block

Interested in more tips and information?

• In your local development environment, use the jetpack rsync command to sync your changes to a WoA dev blog.
• Read more about our development workflow here: PCYsg-eg0-p2
• Figure out when your changes will be shipped to customers here: PCYsg-eg5-p2

[github-actions]

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Jetpack plugin:

The Jetpack plugin has different release cadences depending on the platform:

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  • Scheduled release: December 2, 2025

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[Copilot]

Pull Request Overview

This PR removes the experimental Math (LaTeX) block from Jetpack, including all associated files, dependencies, and configuration entries.

Key Changes

• Removes the katex dependency (version 0.16.22) from package.json and pnpm-lock.yaml
• Deletes all latex block source files (JS, SCSS, PHP, JSON)
• Removes "latex" from the beta extensions list in index.json

Reviewed Changes

Copilot reviewed 12 out of 13 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
projects/plugins/jetpack/package.json	Removes katex dependency from npm dependencies
projects/plugins/jetpack/extensions/index.json	Removes "latex" from beta extensions list
projects/plugins/jetpack/extensions/blocks/latex/view.js	Deletes front-end rendering logic for latex block
projects/plugins/jetpack/extensions/blocks/latex/style.scss	Deletes front-end styles (katex CSS import)
projects/plugins/jetpack/extensions/blocks/latex/save.js	Deletes save function for block output
projects/plugins/jetpack/extensions/blocks/latex/latex.php	Deletes PHP registration and asset loading
projects/plugins/jetpack/extensions/blocks/latex/icon.js	Deletes block icon definitions
projects/plugins/jetpack/extensions/blocks/latex/editor.scss	Deletes editor-specific styles
projects/plugins/jetpack/extensions/blocks/latex/editor.js	Deletes block registration code
projects/plugins/jetpack/extensions/blocks/latex/edit.js	Deletes block editor component
projects/plugins/jetpack/extensions/blocks/latex/block.json	Deletes block metadata configuration
projects/plugins/jetpack/changelog/remove-latex-block	Adds changelog entry for the removal
pnpm-lock.yaml	Updates lockfile to remove katex package references

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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[jp-launch-control]

Code Coverage Summary

This PR did not change code coverage!

That could be good or bad, depending on the situation. Everything covered before, and still is? Great! Nothing was covered before? Not so great. 🤷

Full summary · PHP report · JS report