Sync main to branch (#2)

* docs: update Poesieland URL

* theme: support Obsidian styled alerts McShelby#903

* Ship tag 6.3.0

* Mark non-release version

* docs: wording McShelby#903

* docs: update markdown example McShelby#903

* docs: consistency is king McShelby#903

* notice: collapse borders if single code block is displayed McShelby#906

* docs: mention Octocats in credits

* shortcodes: fix whitespace issues McShelby#907

* resources: add expanded parameter McShelby#908

* notice: fix styling for Markdown code boxes McShelby#906

* docs: variance McShelby#906

* docs: don't look like a C novice McShelby#906

* frontmatter: add expanded parameter for shortcodes McShelby#911

* notice: fix code in markdown alerts, take II McShelby#906

* notice: support user defined box styles McShelby#913

* docs: supplement McShelby#913

* include: don't erroneously remove headings if hidefirstheading=true McShelby#914

* build: add link for migration into changelog McShelby#915

* build: don't link to patch release McShelby#915

as it does not exist in the migration notes

* build: be a nice Hugo citizen in regards to screenshots

and remove chrome from the theme site builder screenshots

* docs: mention Pixeden for screenshot templates in credits

* Ship tag 6.4.0

* Mark non-release version

---------

Co-authored-by: Sören Weber <mail@soeren-weber.de>
Co-authored-by: GitHub Actions Bot <>

.grenrc.js

@@ -45,6 +45,6 @@ module.exports = {
   onlyMilestones: true,
   template: {
     group: "\n### {{heading}}\n",
-    release: ({ body, date, release }) => `## ${release} (` + date.replace( /(\d+)\/(\d+)\/(\d+)/, '$3-$2-$1' ) + `)\n${body}`,
+    release: ({ body, date, release }) => `## ${release} (` + date.replace( /(\d+)\/(\d+)\/(\d+)/, '$3-$2-$1' ) + `)\n\n[What's new in this release](https://mcshelby.github.io/hugo-theme-relearn/basics/migration/#` + release.replace( /(\d+)\.(\d+)\.(\d+)/, '$1$2' ) + `0)\n${body}`,
   },
 };