diff --git a/web/frontend/src/Jobs.root.svelte b/web/frontend/src/Jobs.root.svelte
index 312c726..e5ae4e5 100644
--- a/web/frontend/src/Jobs.root.svelte
+++ b/web/frontend/src/Jobs.root.svelte
@@ -196,7 +196,12 @@
   </Col>
 </Row>
 
-<Sorting bind:sorting bind:isOpen={isSortingOpen}/>
+<Sorting
+  bind:isOpen={isSortingOpen}
+  presetSorting={sorting}
+  applySorting={(newSort) =>
+    sorting = {...newSort}
+  }/>
 
 <MetricSelection
     bind:isOpen={isMetricsSelectionOpen}
diff --git a/web/frontend/src/Node.root.svelte b/web/frontend/src/Node.root.svelte
index ff6946a..5d56626 100644
--- a/web/frontend/src/Node.root.svelte
+++ b/web/frontend/src/Node.root.svelte
@@ -146,7 +146,14 @@
     </Col>
     <!-- Time Col -->
     <Col>
-      <TimeSelection bind:from bind:to />
+      <TimeSelection
+        presetFrom={from}
+        presetTo={to}
+        applyTime={(newFrom, newTo) => {
+          from = newFrom;
+          to = newTo;
+        }}
+      />
     </Col>
     <!-- Concurrent Col -->
     <Col class="mt-2 mt-lg-0">
diff --git a/web/frontend/src/Status.root.svelte b/web/frontend/src/Status.root.svelte
index 1bd3c07..613bd7f 100644
--- a/web/frontend/src/Status.root.svelte
+++ b/web/frontend/src/Status.root.svelte
@@ -697,7 +697,10 @@
 {/if}
 
 <HistogramSelection
-  bind:cluster
-  bind:selectedHistograms
+  {cluster}
   bind:isOpen={isHistogramSelectionOpen}
+  presetSelectedHistograms={selectedHistograms}
+  applyChange={(newSelection) => {
+    selectedHistograms = [...newSelection];
+  }}
 />
diff --git a/web/frontend/src/Systems.root.svelte b/web/frontend/src/Systems.root.svelte
index 9c12aed..4510b60 100644
--- a/web/frontend/src/Systems.root.svelte
+++ b/web/frontend/src/Systems.root.svelte
@@ -56,7 +56,7 @@
 
   /* State Init */
   let to = $state(toPreset || new Date(Date.now()));
-  let from = $state(fromPreset || new Date(nowDate.setHours(nowDate.getHours() - 12)));
+  let from = $state(fromPreset || new Date(nowDate.setHours(nowDate.getHours() - 4)));
   let selectedResolution = $state(resampleConfig ? resampleDefault : 0);
   let hostnameFilter = $state("");
   let pendingHostnameFilter = $state("");
@@ -147,7 +147,14 @@
     </Col>
     <!-- Range Col-->
     <Col>
-      <TimeSelection bind:from bind:to />
+      <TimeSelection
+        presetFrom={from}
+        presetTo={to}
+        applyTime={(newFrom, newTo) => {
+          from = newFrom;
+          to = newTo;
+        }}
+      />
     </Col>
     <!-- Overview Metric Col-->
     {#if displayNodeOverview}
diff --git a/web/frontend/src/User.root.svelte b/web/frontend/src/User.root.svelte
index 7250399..965290e 100644
--- a/web/frontend/src/User.root.svelte
+++ b/web/frontend/src/User.root.svelte
@@ -62,6 +62,7 @@
   let isMetricsSelectionOpen = $state(false);
   let sorting = $state({ field: "startTime", type: "col", order: "DESC" });
   let selectedCluster = $state(filterPresets?.cluster ? filterPresets.cluster : null);
+  let selectedHistogramsBuffer = $state({ all: (ccconfig['user_view_histogramMetrics'] || []) })
   let metrics = $state(filterPresets.cluster
     ? ccconfig[`plot_list_selectedMetrics:${filterPresets.cluster}`] ||
       ccconfig.plot_list_selectedMetrics
@@ -85,10 +86,7 @@
   // let matchedCompareJobs = $state(0);
 
   /* Derived Vars */
-  let selectedHistograms = $derived(selectedCluster
-  ? ccconfig[`user_view_histogramMetrics:${selectedCluster}`] || ( ccconfig['user_view_histogramMetrics'] || [] )
-  : ccconfig['user_view_histogramMetrics'] || []);
-
+  let selectedHistograms = $derived(selectedCluster ? selectedHistogramsBuffer[selectedCluster] : selectedHistogramsBuffer['all']);
   let stats = $derived(
     queryStore({
       client: client,
@@ -125,8 +123,21 @@
     })
   );
 
+  /* Effect */
+  $effect(() => {
+    if (!selectedHistogramsBuffer[selectedCluster]) {
+      selectedHistogramsBuffer[selectedCluster] = ccconfig[`user_view_histogramMetrics:${selectedCluster}`];
+    };
+  });
+
   /* On Mount */
-  onMount(() => filterComponent.updateFilters());
+  onMount(() => {
+    filterComponent.updateFilters();
+    // Why? -> `$derived(ccconfig[$cluster])` only loads array from last Backend-Query if $cluster changed reactively (without reload)
+    if (filterPresets?.cluster) {
+      selectedHistogramsBuffer[filterPresets.cluster] = ccconfig[`user_view_histogramMetrics:${filterPresets.cluster}`];
+    };
+  });
 </script>
 
 <!-- ROW1: Status-->
@@ -363,7 +374,13 @@
   </Col>
 </Row>
 
-<Sorting bind:sorting bind:isOpen={isSortingOpen} />
+<Sorting
+  bind:isOpen={isSortingOpen}
+  presetSorting={sorting}
+  applySorting={(newSort) =>
+    sorting = {...newSort}
+  }
+/>
 
 <MetricSelection
     bind:isOpen={isMetricsSelectionOpen}
@@ -378,7 +395,10 @@
 />
 
 <HistogramSelection
-  bind:cluster={selectedCluster}
-  bind:selectedHistograms
+  cluster={selectedCluster}
   bind:isOpen={isHistogramSelectionOpen}
+  presetSelectedHistograms={selectedHistograms}
+  applyChange={(newSelection) => {
+    selectedHistogramsBuffer[selectedCluster || 'all'] = [...newSelection];
+  }}
 />
diff --git a/web/frontend/src/generic/select/HistogramSelection.svelte b/web/frontend/src/generic/select/HistogramSelection.svelte
index 08fb89a..6f0d7db 100644
--- a/web/frontend/src/generic/select/HistogramSelection.svelte
+++ b/web/frontend/src/generic/select/HistogramSelection.svelte
@@ -20,16 +20,24 @@
   } from "@sveltestrap/sveltestrap";
   import { gql, getContextClient, mutationStore } from "@urql/svelte";
 
-  export let cluster;
-  export let selectedHistograms;
-  export let isOpen;
+  /* Svelte 5 Props */
+  let {
+    cluster,
+    isOpen = $bindable(),
+    presetSelectedHistograms,
+    applyChange
+  } = $props();
 
+  /* Const Init */
   const client = getContextClient();
-  const initialized = getContext("initialized");
 
-  function loadHistoMetrics(isInitialized, thisCluster) {
-    if (!isInitialized) return [];
+  /* Derived */
+  let selectedHistograms = $derived(presetSelectedHistograms); // Non-Const Derived: Is settable
+  const availableMetrics = $derived(loadHistoMetrics(cluster));
 
+  /* Functions */
+  function loadHistoMetrics(thisCluster) {
+    // isInit Check Removed: Parent Component has finished Init-Query: Globalmetrics available here.
     if (!thisCluster) {
       return getContext("globalMetrics")
       .filter((gm) => gm?.footprint)
@@ -42,18 +50,6 @@
     }
   }
 
-  const updateConfigurationMutation = ({ name, value }) => {
-    return mutationStore({
-      client: client,
-      query: gql`
-        mutation ($name: String!, $value: String!) {
-          updateConfiguration(name: $name, value: $value)
-        }
-      `,
-      variables: { name, value },
-    });
-  };
-
   function updateConfiguration(data) {
     updateConfigurationMutation({
       name: data.name,
@@ -67,6 +63,7 @@
 
   function closeAndApply() {
     isOpen = !isOpen;
+    applyChange(selectedHistograms)
     updateConfiguration({
       name: cluster
         ? `user_view_histogramMetrics:${cluster}`
@@ -75,8 +72,18 @@
     });
   }
 
-  $: availableMetrics = loadHistoMetrics($initialized, cluster);
-
+  /* Mutation */
+  const updateConfigurationMutation = ({ name, value }) => {
+    return mutationStore({
+      client: client,
+      query: gql`
+        mutation ($name: String!, $value: String!) {
+          updateConfiguration(name: $name, value: $value)
+        }
+      `,
+      variables: { name, value },
+    });
+  };
 </script>
 
 <Modal {isOpen} toggle={() => (isOpen = !isOpen)}>
diff --git a/web/frontend/src/generic/select/SortSelection.svelte b/web/frontend/src/generic/select/SortSelection.svelte
index ae416d7..f6ba534 100644
--- a/web/frontend/src/generic/select/SortSelection.svelte
+++ b/web/frontend/src/generic/select/SortSelection.svelte
@@ -7,7 +7,7 @@
  -->
 
 <script>
-  import { getContext } from "svelte";
+  import { getContext, onMount } from "svelte";
   import {
     Icon,
     Button,
@@ -18,44 +18,73 @@
     ModalHeader,
     ModalFooter,
   } from "@sveltestrap/sveltestrap";
-  import { getSortItems } from "../utils.js";
 
-  export let isOpen = false;
-  export let sorting = { field: "startTime", type: "col", order: "DESC" };
-
-  let sortableColumns = [];
-  let activeColumnIdx;
+  /* Svelte 5 Props */
+  let {
+    isOpen = $bindable(false),
+    presetSorting = { field: "startTime", type: "col", order: "DESC" },
+    applySorting
+  } = $props();
 
+  /* Const Init */
   const initialized = getContext("initialized");
-  
-  function loadSortables(isInitialized) {
-    if (!isInitialized) return;
-    sortableColumns = [ 
-      { field: "startTime", type: "col", text: "Start Time", order: "DESC" },
-      { field: "duration", type: "col", text: "Duration", order: "DESC" },
-      { field: "numNodes", type: "col", text: "Number of Nodes", order: "DESC" },
-      { field: "numHwthreads", type: "col", text: "Number of HWThreads", order: "DESC" },
-      { field: "numAcc", type: "col", text: "Number of Accelerators", order: "DESC" },
-      { field: "energy", type: "col", text: "Total Energy", order: "DESC" },
-      ...getSortItems()
-    ]
-  }
+  const globalMetrics = getContext("globalMetrics");
+  const fixedSortables = $state([ 
+    { field: "startTime", type: "col", text: "Start Time (Default)", order: "DESC" },
+    { field: "duration", type: "col", text: "Duration", order: "DESC" },
+    { field: "numNodes", type: "col", text: "Number of Nodes", order: "DESC" },
+    { field: "numHwthreads", type: "col", text: "Number of HWThreads", order: "DESC" },
+    { field: "numAcc", type: "col", text: "Number of Accelerators", order: "DESC" },
+    { field: "energy", type: "col", text: "Total Energy", order: "DESC" },
+  ]);
 
-  function loadActiveIndex(isInitialized) {
-    if (!isInitialized) return;
+  /* State Init */
+  let sorting = $state({...presetSorting})
+  let activeColumnIdx = $state(0);
+  let metricSortables = $state([]);
+
+  /* Derived */
+  let sortableColumns = $derived([...fixedSortables, ...metricSortables]);
+
+  /* Effect */
+  $effect(() => {
+    if ($initialized) {
+      loadMetricSortables();
+    };
+  });
+
+  /* Functions */  
+  function loadMetricSortables() {
+    metricSortables = globalMetrics.map((gm) => {
+        if (gm?.footprint) {
+            return { 
+                field: gm.name + '_' + gm.footprint,
+                type: 'foot',
+                text: gm.name + ' (' + gm.footprint + ')',
+                order: 'DESC'
+            }
+        }
+        return null
+    }).filter((r) => r != null)
+  };
+
+  function loadActiveIndex() {
     activeColumnIdx = sortableColumns.findIndex(
       (col) => col.field == sorting.field,
     );
     sortableColumns[activeColumnIdx].order = sorting.order;
   }
 
-  $: loadSortables($initialized);
-  $: loadActiveIndex($initialized)
+  function resetSorting(sort) {
+    sorting = {...sort};
+    loadActiveIndex();
+  };
 </script>
 
 <Modal
   {isOpen}
   toggle={() => {
+    resetSorting(presetSorting);
     isOpen = !isOpen;
   }}
 >
@@ -66,7 +95,7 @@
         <ListGroupItem>
           <button
             class="sort"
-            on:click={() => {
+            onclick={() => {
               if (activeColumnIdx == i) {
                 col.order = col.order == "DESC" ? "ASC" : "DESC";
               } else {
@@ -96,11 +125,27 @@
   </ModalBody>
   <ModalFooter>
     <Button
-      color="primary"
-      on:click={() => {
+      color="warning"
+      onclick={() => {
         isOpen = false;
-      }}>Close</Button
+        resetSorting({ field: "startTime", type: "col", order: "DESC" });
+        applySorting(sorting);
+      }}>Reset</Button
     >
+    <Button
+      color="primary"
+      onclick={() => {
+        applySorting(sorting);
+        isOpen = false;
+      }}>Close & Apply</Button
+    >
+    <Button
+      color="secondary"
+      onclick={() => {
+        resetSorting(presetSorting);
+        isOpen = false
+      }}>Cancel
+    </Button>
   </ModalFooter>
 </Modal>
 
diff --git a/web/frontend/src/generic/select/TimeSelection.svelte b/web/frontend/src/generic/select/TimeSelection.svelte
index 82f0c3f..1b157c8 100644
--- a/web/frontend/src/generic/select/TimeSelection.svelte
+++ b/web/frontend/src/generic/select/TimeSelection.svelte
@@ -12,7 +12,6 @@
  -->
 
 <script>
-  import { createEventDispatcher } from "svelte";
   import {
     Icon,
     Input,
@@ -20,78 +19,96 @@
     InputGroupText,
   } from "@sveltestrap/sveltestrap";
 
-  export let from;
-  export let to;
-  export let customEnabled = true;
-  export let options = {
-    "Last quarter hour": 15 * 60,
-    "Last half hour": 30 * 60,
-    "Last hour": 60 * 60,
-    "Last 2hrs": 2 * 60 * 60,
-    "Last 4hrs": 4 * 60 * 60,
-    "Last 12hrs": 12 * 60 * 60,
-    "Last 24hrs": 24 * 60 * 60,
+  /* Svelte 5 Props */
+  let {
+    presetFrom,
+    presetTo,
+    customEnabled = true,
+    options = {
+      "Last quarter hour": 15 * 60,
+      "Last half hour": 30 * 60,
+      "Last hour": 60 * 60,
+      "Last 2hrs": 2 * 60 * 60,
+      "Last 4hrs": 4 * 60 * 60,
+      "Last 12hrs": 12 * 60 * 60,
+      "Last 24hrs": 24 * 60 * 60,
+    },
+    applyTime
+  } = $props();
+
+  /* Const Init */
+  const defaultTo = new Date(Date.now());
+  const defaultFrom = new Date(defaultTo.setHours(defaultTo.getHours() - 4));
+
+  /* State Init */
+  let timeType = $state("range");
+  let pendingCustomFrom = $state(null);
+  let pendingCustomTo = $state(null);
+
+  /* Derived */
+  let timeRange = $derived.by(() => {
+    if (presetTo && presetFrom) {
+      return ((presetTo.getTime() - presetFrom.getTime()) / 1000)
+    } else {
+      return ((defaultTo.getTime() - defaultFrom.getTime()) / 1000)
+    }
+  });
+  let unknownRange = $derived(!Object.values(options).includes(timeRange));
+    
+  /* Functions */
+  function updateTimeRange() {
+    let now = Date.now();
+    let t = timeRange * 1000;
+    applyTime(new Date(now - t), new Date(now));
   };
 
-  $: pendingFrom = from;
-  $: pendingTo = to;
-
-  const dispatch = createEventDispatcher();
-  let timeRange = // If both times set, return diff, else: display custom select
-    (to && from) ? ((to.getTime() - from.getTime()) / 1000) : -1;
-
-  function updateTimeRange() {
-    if (timeRange == -1) {
-      pendingFrom = null;
-      pendingTo = null;
-      return;
+  function updateTimeCustom() {
+    if (pendingCustomFrom && pendingCustomTo) {
+      applyTime(new Date(pendingCustomFrom), new Date(pendingCustomTo));
     }
-
-    let now = Date.now(),
-      t = timeRange * 1000;
-    from = pendingFrom = new Date(now - t);
-    to = pendingTo = new Date(now);
-    dispatch("change", { from, to });
-  }
-
-  function updateExplicitTimeRange(type, event) {
-    let d = new Date(Date.parse(event.target.value));
-    if (type == "from") pendingFrom = d;
-    else pendingTo = d;
-
-    if (pendingFrom != null && pendingTo != null) {
-      from = pendingFrom;
-      to = pendingTo;
-      dispatch("change", { from, to });
-    }
-  }
+  };
 </script>
 
 <InputGroup class="inline-from">
   <InputGroupText><Icon name="clock-history" /></InputGroupText>
-  <InputGroupText>Range</InputGroupText>
-  <select
-    class="form-select"
-    bind:value={timeRange}
-    on:change={updateTimeRange}
-  >
-    {#if customEnabled}
-      <option value={-1}>Custom</option>
-    {/if}
-    {#each Object.entries(options) as [name, seconds]}
-      <option value={seconds}>{name}</option>
-    {/each}
-  </select>
-  {#if timeRange == -1}
+  {#if customEnabled}
+    <Input
+      type="select"
+      style="max-width:fit-content;background-color:#f8f9fa;"
+      bind:value={timeType}
+    >
+      <option value="range">Range</option>
+      <option value="custom">Custom</option>
+    </Input>
+  {:else}
+    <InputGroupText>Range</InputGroupText>
+  {/if}
+  
+  {#if timeType === "range"}
+    <Input
+      type="select"
+      bind:value={timeRange}
+      onchange={updateTimeRange}
+    >
+      {#if unknownRange}
+        <option value={timeRange} disabled>Select new range...</option>
+      {/if}
+      {#each Object.entries(options) as [name, seconds]}
+        <option value={seconds}>{name}</option>
+      {/each}
+    </Input>
+  {:else}
     <InputGroupText>from</InputGroupText>
     <Input
       type="datetime-local"
-      on:change={(event) => updateExplicitTimeRange("from", event)}
+      bind:value={pendingCustomFrom}
+      onchange={updateTimeCustom}
     ></Input>
     <InputGroupText>to</InputGroupText>
     <Input
       type="datetime-local"
-      on:change={(event) => updateExplicitTimeRange("to", event)}
+      bind:value={pendingCustomTo}
+      onchange={updateTimeCustom}
     ></Input>
   {/if}
 </InputGroup>
diff --git a/web/frontend/src/generic/utils.js b/web/frontend/src/generic/utils.js
index 72c96c0..5a79cff 100644
--- a/web/frontend/src/generic/utils.js
+++ b/web/frontend/src/generic/utils.js
@@ -388,24 +388,6 @@ export function findJobFootprintThresholds(job, stat, metricConfig) {
     }
 }
 
-export function getSortItems() {
-    //console.time('sort')
-    const globalMetrics = getContext("globalMetrics")
-    const result = globalMetrics.map((gm) => {
-        if (gm?.footprint) {
-            return { 
-                field: gm.name + '_' + gm.footprint,
-                type: 'foot',
-                text: gm.name + ' (' + gm.footprint + ')',
-                order: 'DESC'
-            }
-        }
-        return null
-    }).filter((r) => r != null)
-    //console.timeEnd('sort')
-    return [...result];
-};
-
 function getMetricConfigDeep(metric, cluster, subCluster) {
     const clusters = getContext("clusters");
     if (cluster != null) {