3.10.2 (2026-07-10)

Backport and cherry-pick commits from main for v3.10.2 patch release:

• fix(bundler): do not import @swc/html, fix StackBlitz playground #12055
• fix(core): use locale url in site config #12054
• fix(theme-classic): remove redundant sidebar label titles #11966
• fix(mdx-loader): avoid transforming dotted directory links into asset… #11944
• fix(dev-server): for HTTPS, support non-RSA TLS certs #12065
• fix(utils): fix extractLeadingEmoji() edge cases #12100
• fix(gtag.js, faster): Fix StackBlitz, vendor @types/gtag.js, upgrade @swc/html #12080
• fix(create-docusaurus): init template README should use npm commands by default #12138
• fix(cli): docusaurus serve should pass --host to server.listen() #12127
• fix(core): bump detect-port to v2.1, fix pnpm trustPolicy downgrade issue #12012
• fix(i18n): complete Spanish translations for theme-common and theme-l… #12180
• chore(deps): migrate to @11ty/gray-matter #12181
• fix(core): fix BaseUrlIssueBanner little security issue #12260
• fix(core): accept boolean attributes in headTags config validation #12238
• fix(sitemap): don't drop lastmod for an epoch (0) timestamp #12212
• fix(utils): preserve author names containing commas in git log parsing #12069