Archive explainer for Slotted Options in <select> (#1367)

Archive explainer for Slotted Options in `<select>` since it moved to
OpenUI: https://open-ui.org/components/select.slotted.option/

PR merged in OpenUI: openui/open-ui#1481

Author: ffiori

README.md

@@ -105,7 +105,6 @@ we move them into the [Alumni section](#alumni-) below.
 | [Network Efficiency Guardrails](PerformanceControlOfEmbeddedContent/neg-explainer.md) | <a href="https://github.com/MicrosoftEdge/MSEdgeExplainers/labels/Network%20Efficiency%20Guardrails">![GitHub issues by-label](https://img.shields.io/github/issues/MicrosoftEdge/MSEdgeExplainers/Network%20Efficiency%20Guardrails?label=issues)</a> | [New Issue...](https://github.com/MicrosoftEdge/MSEdgeExplainers/issues/new?template=network-efficiency-guardrails.md) | WICG |
 | [Conditional Tracing for LoAF](ConditionalTracing/explainer-for-loaf.md) | <a href="https://github.com/MicrosoftEdge/MSEdgeExplainers/labels/Conditional%20Tracing%20for%20LoAF">![GitHub issues by-label](https://img.shields.io/github/issues/MicrosoftEdge/MSEdgeExplainers/Conditional%20Tracing%20for%20LoAF?label=issues)</a> | [New Issue...](https://github.com/MicrosoftEdge/MSEdgeExplainers/issues/new?template=conditonal-tracing-loaf.md) | Web Perf |
 | [CSS Linked Parameters](SVG/CSSLinkedParameters/explainer.md) | <a href="https://github.com/MicrosoftEdge/MSEdgeExplainers/labels/CSS%20Linked%20Parameters">![GitHub issues by-label](https://img.shields.io/github/issues/MicrosoftEdge/MSEdgeExplainers/CSS%20Linked%20Parameters?label=issues)</a> | [New issue...](https://github.com/MicrosoftEdge/MSEdgeExplainers/issues/new?assignees=goldenboy777&labels=CSS%20Linked%20Parameters&template=css-linked-parameters.md&title=%5BCSS+Linked+Parameters%5D+%3CTITLE+HERE%3E) | CSS |
-| [Slotted Options in Customizable Select](SlottedOption/explainer.md) | <a href="https://github.com/MicrosoftEdge/MSEdgeExplainers/labels/Slotted%20Option">![GitHub issues by-label](https://img.shields.io/github/issues/MicrosoftEdge/MSEdgeExplainers/Slotted%20Option?label=issues)</a> | [New issue...](https://github.com/MicrosoftEdge/MSEdgeExplainers/issues/new?labels=Slotted%20Option&title=%5BSlotted+Option%5D+%3CTITLE+HERE%3E) | HTML |
 
 # Brainstorming 🧠
 
@@ -178,6 +177,7 @@ standards communities. Thanks for your continued interest!
 | [Delayed Message Timing API](https://github.com/WICG/delayed-message-timing/blob/main/README.md) | [W3C Web Incubator Community Group](https://wicg.io/) | [2026-01-28](DelayedMessages/explainer.md) |
 | [CSS Gap Decorations](https://github.com/w3c/csswg-drafts/blob/main/css-gaps-1/explainer.md) | [W3C CSS Working Group](https://www.w3.org/Style/CSS/) | [2026-02-27](CSSGapDecorations/explainer.md) |
 | [Web Haptics](https://github.com/WICG/web-haptics) | [W3C Web Incubator Community Group](https://wicg.io/) | [2026-04-27](Haptics/explainer.md) |
+| [Slotted Options in `<select>`](https://open-ui.org/components/select.slotted.option/) | [Open UI Community Group](https://www.w3.org/community/open-ui/) | [2026-07-23](SlottedOption/explainer.md) |
 
 # DevTools 🧰
 

SlottedOption/explainer.md

@@ -19,9 +19,9 @@ solutions to the problems described in this document progress along the
 standards track, we will retain this document as an archive and use this section
 to keep the community up to date.
 
-- This document status: **Active**
+- This document status: **Archived**
 - Expected venue: [WHATWG HTML](https://html.spec.whatwg.org/)
-- Current version: this document
+- Current version: [Slotted Options in <select> - OpenUI](https://open-ui.org/components/select.slotted.option/)
 
 ## Table of Contents