[zurfyx]

Description

The repository moved from facebook/lexical to meta/lexical, but the
docs, READMEs, examples and source comments still link to the old path.
GitHub redirects most of those, but not everything does: the pkg.pr.new
long-form install URLs in the maintainers guide 404 under facebook/lexical
for previews published since the rename.

This rewrites the remaining living references to github.com/meta/lexical:
issue, pull, blob/tree, discussion and graph links, plus the
facebook/lexical#NNNN shorthand in source and test comments. In
packages/lexical-website/docusaurus.config.ts, GITHUB_REPO_URL (which
feeds the docs editUrls and the TypeDoc source links), the canonical
repository fallback used for StackBlitz embeds, and organizationName now
say meta. The playground's welcome content, and the serialization unit and
e2e tests that mirror it, use the new URL.

Left alone on purpose:

• Files changed by [*] Chore: Point CI, release tooling, docs and links at meta/lexical after the org rename #9497 (GitHub Actions and release tooling) and [*] Chore: Point package repository links at meta/lexical after the org rename #9498
  (package.json metadata and its changeset), so the three PRs do not
  conflict.
• CHANGELOG.md, where the links are a historical record and still
  redirect.
• StackBlitz URLs (stackblitz.com/github/facebook/lexical/...), the
  shields.io build badge and the contrib.rocks image. All three still
  resolve under the old path (checked below), so they are not changed.

Changeset

.changeset/point-documentation-and-source-comment-links-at.md ([docs])
for the eight published packages whose shipped README or src/ comments
change: lexical, @lexical/markdown, @lexical/mdast,
@lexical/plain-text, @lexical/react, @lexical/rich-text,
@lexical/table and @lexical/utils. The website, playground, examples and
scripts need none.

Test plan

Before

$ git grep -lE 'github\.com/facebook/lexical|facebook\.github\.io/lexical|pkg\.pr\.new/facebook|facebook/lexical#[0-9]' -- . ':!CHANGELOG.md' \
    | grep -vxFf <(files changed by #9497 and #9498) | wc -l
      73
$ curl -s -o /dev/null -w '%{http_code}\n' https://pkg.pr.new/facebook/lexical/lexical@9497
404
$ curl -s -o /dev/null -w '%{http_code}\n' https://pkg.pr.new/meta/lexical/lexical@9497
200

The links that are kept still work under the old path:

$ curl -sL https://img.shields.io/github/actions/workflow/status/facebook/lexical/tests.yml | grep -o '<title>[^<]*</title>'
<title>build: passing</title>
$ curl -sL -o /dev/null -w '%{http_code} %{content_type}\n' 'https://contrib.rocks/image?repo=facebook/lexical'
200 image/svg+xml
$ curl -sL https://stackblitz.com/github/facebook/lexical/tree/d99563ccd/examples/vanilla-js | grep -o '<title>[^<]*</title>'
<title>Lexical Vanilla Js Example - StackBlitz</title>
$ curl -sL https://stackblitz.com/github/nonexistent-org-zz/lexical/tree/main/examples/vanilla-js | grep -o '<title>[^<]*</title>'
<title>StackBlitz</title>

(d99563c is today's main, so StackBlitz follows the rename rather than
serving a cached import.)

After

$ git grep -lE 'github\.com/facebook/lexical|facebook\.github\.io/lexical|pkg\.pr\.new/facebook|facebook/lexical#[0-9]' -- . ':!CHANGELOG.md' \
    | grep -vxFf <(files changed by #9497 and #9498) | wc -l
       0
$ git grep -lE 'facebook/lexical' -- . ':!CHANGELOG.md' | grep -vxFf <(...) \
    | xargs git grep -hoE '[a-z./=?]*facebook/lexical' -- | sort | uniq -c
   2 //contrib.rocks/image?repo=facebook/lexical
   1 //img.shields.io/github/actions/workflow/status/facebook/lexical
  34 //stackblitz.com/github/facebook/lexical

Every new github.com/meta/lexical URL in the diff (92 unique):

$ ... | xargs -P 6 -I{} curl -s -o /dev/null -w '%{http_code} {}\n' {} | awk '{print $1}' | sort | uniq -c
  89 200
   1 301
   2 404

The 301 is https://github.com/meta/lexical.git in the maintainers guide's
package.json sample; the 404s are /settings/variables/actions (needs repo
admin) and the synthetic blob/main/index.ts#L4 fixture in
typedocExternalLinks.test.ts.

$ pnpm run ci-check
Changeset check passed: 4 pending changeset(s) valid.
Found 0 errors
(exit 0: tsc, tsc-test, tsc-scripts, tsc-extension, tsc-website, flow, prettier, lint, check-changesets)

$ pnpm exec vitest --project unit --project scripts-unit --no-watch <the 26 changed test files>
 Test Files  26 passed (26)
      Tests  1018 passed (1018)

$ (cd packages/lexical-website && pnpm run build)
[SUCCESS] Generated static files in "build".
$ grep -rlE 'github\.com/facebook/lexical' --include='*.html' packages/lexical-website/build | wc -l
       0
$ grep -rhoE 'stackblitz\.com/github/[a-z]+/lexical' --include='*.html' packages/lexical-website/build | sort | uniq -c
  22 stackblitz.com/github/meta/lexical

The playground e2e specs touched here (Links.spec.mjs,
Autocomplete.spec.mjs) were not run; their change is the same URL on both
the typed input and the expected href.

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Project	Deployment	Actions	Updated
lexical	Ready	Preview	Oct 28, 2026 8:47pm UTC
lexical-playground	Ready	Preview	Oct 28, 2026 8:47pm UTC

[zurfyx]

Folded into #9497.