• Add border radius css var ha prefix (@wendevlin - #26411)
• Fix Mod-S (Ctrl-S/Cmd-S) support for automation/scene/script YAML editors (@timmo001 - #26412)
• Fix a dangerous button color (@karwosts - #26418)
• Fix mqtt config panel (@karwosts - #26422)
• Fix plain button in legacy browsers (@wendevlin - #26426)
• Fix typo in Neutral80 color (@TimoPtr - #26430)
• Fix button start/end slot margins, add reduce-left-padding flag (@wendevlin - #26431)
• Fix css var naming --ha-color-border-primary (@wendevlin - #26433)
• Font improvements for Sankey chart (@MindFreeze - #26438)
• Show sankey chart in vertical layout on mobile (@MindFreeze - #26439)
• Support button feature for input_button (@karwosts - #26444)
• Fix diagnostic download (@silamon - #26466)
• Fix first letter uppercase in some buttons (@wendevlin - #26485)