From e397cde86c1e35b1898b64d34f249993a6d29c50 Mon Sep 17 00:00:00 2001
From: christof-wittreich <christof.wittreich@nasa.gov>
Date: Fri, 8 Dec 2023 10:44:07 -0600
Subject: [PATCH 1/2] Added cache-clearing for non-tourstory actions (#4852)

---
 .../update-projection/updateProjection.js           | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/web/js/mapUI/components/update-projection/updateProjection.js b/web/js/mapUI/components/update-projection/updateProjection.js
index 0891a342f6..ccc1e22b89 100644
--- a/web/js/mapUI/components/update-projection/updateProjection.js
+++ b/web/js/mapUI/components/update-projection/updateProjection.js
@@ -61,7 +61,7 @@ function UpdateProjection(props) {
   *
   * @returns {void}
   */
-  const clearLayers = function() {
+  const clearLayers = function(saveCache) {
     const activeLayersUI = ui.selected
       .getLayers()
       .getArray()
@@ -69,6 +69,9 @@ function UpdateProjection(props) {
     lodashEach(activeLayersUI, (mapLayer) => {
       ui.selected.removeLayer(mapLayer);
     });
+
+    if (saveCache) return;
+    ui.cache.clear();
   };
 
   /**
@@ -116,7 +119,7 @@ function UpdateProjection(props) {
    *   @param {Boolean} id - layer id
    * @returns {void}
    */
-  async function reloadLayers(granuleOptions) {
+  async function reloadLayers(granuleOptions, saveCache) {
     const mapUI = ui.selected;
     const { createLayer } = ui;
 
@@ -125,7 +128,7 @@ function UpdateProjection(props) {
       if (compareMapDestroyed) {
         compareMapUi.destroy();
       }
-      clearLayers();
+      clearLayers(saveCache);
       const defs = getLayers(layerState, { reverse: true });
       const layerPromises = defs.map((def) => {
         const options = getGranuleOptions(layerState, def, compare.activeString, granuleOptions);
@@ -138,7 +141,7 @@ function UpdateProjection(props) {
       if (compare && !compare.isCompareA && compare.mode === 'spy') {
         stateArray.reverse(); // Set Layer order based on active A|B group
       }
-      clearLayers();
+      clearLayers(saveCache);
       const stateArrayGroups = stateArray.map(async (arr) => getCompareLayerGroup(arr, layerState, granuleOptions));
       const compareLayerGroups = await Promise.all(stateArrayGroups);
       compareLayerGroups.forEach((layerGroup) => mapUI.addLayer(layerGroup));
@@ -222,7 +225,7 @@ function UpdateProjection(props) {
 
     updateMapUI(ui, rotation);
 
-    reloadLayers();
+    reloadLayers(null, !start);
 
     // If the browser was resized, the inactive map was not notified of
     // the event. Force the update no matter what and reposition the center

From 8ac793fbdff6550ec9e5748ecf97fc63184e4bde Mon Sep 17 00:00:00 2001
From: christof-wittreich <christof.wittreich@nasa.gov>
Date: Fri, 8 Dec 2023 12:42:49 -0500
Subject: [PATCH 2/2] v4.21.1

---
 package-lock.json | 4 ++--
 package.json      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index ebf2694b8c..a246ccba53 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "worldview",
-  "version": "4.21.0",
+  "version": "4.21.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "worldview",
-      "version": "4.21.0",
+      "version": "4.21.1",
       "hasInstallScript": true,
       "license": "NASA-1.3",
       "dependencies": {
diff --git a/package.json b/package.json
index 0ea5b812ee..5e66e6a2f4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "worldview",
-  "version": "4.21.0",
+  "version": "4.21.1",
   "description": "Interactive interface for browsing full-resolution, global satellite imagery",
   "keywords": [
     "NASA",