The Wayback Machine - https://web.archive.org/web/20240811095305/https://github.blog/changelog/2021-04-13-table-of-contents-support-in-markdown-files/

Table of Contents support in Markdown files

Markdown files will now automatically generate a table of contents in the header when there are 2 or more headings. The table of contents is interactive and links to the selected section. All 6 Markdown heading levels are supported.

Table of Contents for markdown files

code is now supported in issue titles, pull request titles, and in any place issue and pull request titles are referenced in GitHub.

codeblock in issue title

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Audit Log Git events REST API and export capabilities are generally available for all GitHub Enterprise Cloud customers. Enterprise and organization owners may call the REST API to view Git events or export them via the audit log UI.

Learn more about the audit log REST API

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