## 5.15.0 (2023-05-25)

### Enhancements

- [**feature**] tab: new shortcode to display single tab [#538](https://github.com/McShelby/hugo-theme-relearn/issues/538)
- [**feature**][**change**] tabs: treat groupid as unique if not set [#537](https://github.com/McShelby/hugo-theme-relearn/issues/537)
- [**feature**] expand: indent expanded content [#536](https://github.com/McShelby/hugo-theme-relearn/issues/536)
- [**feature**] notice: make boxes more prominent [#535](https://github.com/McShelby/hugo-theme-relearn/issues/535)

### Fixes

- [**bug**] attachments: fix build error since Hugo 0.112 [#540](https://github.com/McShelby/hugo-theme-relearn/issues/540)

### Maintenance

- [**task**] chore: update Mermaid to 9.4.3 [#534](https://github.com/McShelby/hugo-theme-relearn/issues/534)
- [**task**] mermaid: update to 10.2.0 [#499](https://github.com/McShelby/hugo-theme-relearn/issues/499)