From 28cd7549f5bb07ca4f8446a250d234c6879250cb Mon Sep 17 00:00:00 2001
From: Almar Klein <almar@almarklein.org>
Date: Wed, 18 Mar 2026 22:29:45 +0100
Subject: [PATCH 1/3] Send close event and fix show/hide timestamp key

---
 src/renderview.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/renderview.js b/src/renderview.js
index c90e18e..4d45363 100644
--- a/src/renderview.js
+++ b/src/renderview.js
@@ -177,6 +177,11 @@ class BaseRenderView {
       this.wrapperElement.innerHTML = ''
       this.wrapperElement = null
     }
+    const event = {
+      type: 'close',
+      timestamp: getTimestamp()
+    }
+    this.onEvent(event)
   }
 
   /**
@@ -395,7 +400,7 @@ class BaseRenderView {
         this._isVisible = isVisible
         const event = {
           type: isVisible ? 'show' : 'hide',
-          t: getTimestamp()
+          timestamp: getTimestamp()
         }
         this.onEvent(event)
       }

From 7e6a7cc9ab1a080412e9dc473d18036fd44bac2e Mon Sep 17 00:00:00 2001
From: Almar Klein <almar@almarklein.org>
Date: Thu, 19 Mar 2026 09:34:42 +0100
Subject: [PATCH 2/3] Also rename pixelratio -> ratio

---
 src/renderview.js | 2 +-
 src/spec.md       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/renderview.js b/src/renderview.js
index 4d45363..ee21f26 100644
--- a/src/renderview.js
+++ b/src/renderview.js
@@ -466,7 +466,7 @@ class BaseRenderView {
         height: logicalHeight,
         pwidth: physicalWidth,
         pheight: physicalHeight,
-        pixelratio: ratio,
+        ratio,
         timestamp: getTimestamp()
       }
       this.onEvent(event)
diff --git a/src/spec.md b/src/spec.md
index 52ad3ef..dc9cdf9 100644
--- a/src/spec.md
+++ b/src/spec.md
@@ -70,7 +70,7 @@ Fields:
 * `height`: The height in logical pixels.
 * `pwidth`: The width in physical pixels.
 * `pheight`: The height in physical pixels.
-* `pixelratio`: The pixel ratio between logical and physical pixels.
+* `ratio`: The pixel ratio between logical and physical pixels.
 * `timestamp`: A timestamp in seconds.
 
 

From 6b915416f0102306f67f338bd6c307c4470dfcee Mon Sep 17 00:00:00 2001
From: Almar Klein <almar@almarklein.org>
Date: Thu, 19 Mar 2026 09:37:14 +0100
Subject: [PATCH 3/3] update date

---
 src/spec.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/spec.md b/src/spec.md
index dc9cdf9..c26f7d3 100644
--- a/src/spec.md
+++ b/src/spec.md
@@ -3,7 +3,7 @@
 
 A protocol for interactive rendering surfaces.
 
-*Last update: 18-03-2026*
+*Last update: 19-03-2026*
 
 *This spec was previously known as the jupyter_rfb event spec, but was rolled into a separate project.*