diff --git a/deploy/regionalFeatures/index.js b/deploy/regionalFeatures/index.js
index 7c72704f6243916e9b1d6469bc8d000dc6cf5981..009125ea42b90b88e711a024d8b0e3e9f8763940 100644
--- a/deploy/regionalFeatures/index.js
+++ b/deploy/regionalFeatures/index.js
@@ -64,11 +64,12 @@ Promise.all(
         const dataIdToDataMap = new Map()
         datasetIdToDataMap.set(datasetId, dataIdToDataMap)
 
-        for (const { ['@id']: dataId, contact_points: contactPoints, referenceSpaces } of data) {
+        for (const { ['@id']: dataId, contact_points: contactPoints, referenceSpaces, ...rest } of data) {
           dataIdToDataMap.set(dataId, {
             ['@id']: dataId,
             contactPoints,
             referenceSpaces,
+            ...rest
           })
         }
         rs()
diff --git a/src/res/css/extra_styles.css b/src/res/css/extra_styles.css
index 0d07ed8dae5ba71a1ccca9abd2f8ecbca4fb7c1f..e6e394ac82a97772f934c078c3d065e96dae846c 100644
--- a/src/res/css/extra_styles.css
+++ b/src/res/css/extra_styles.css
@@ -403,6 +403,11 @@ markdown-dom pre code
   height:20em!important;
 }
 
+.overflow-x-auto
+{
+  overflow-x: auto;
+}
+
 .overflow-x-scroll
 {
   overflow-x: scroll;
@@ -439,6 +444,11 @@ markdown-dom pre code
   width: 1em;
 }
 
+.bs-border-box
+{
+  box-sizing: border-box;
+}
+
 .bs-content-box
 {
   box-sizing: content-box;
@@ -719,6 +729,26 @@ kg-dataset-previewer > img
   opacity: 1.0;
 }
 
+.ml-15px-n
+{
+  margin-left: -15px!important;
+}
+
+.mr-15px-n
+{
+  margin-right: -15px!important;
+}
+
+.ml-24px-n
+{
+  margin-left: -24px!important;
+}
+
+.mr-24px-n
+{
+  margin-right: -24px!important;
+}
+
 .ml-4-n
 {
   margin-left: -1rem!important;
diff --git a/src/ui/databrowserModule/singleDataset/sideNavView/sDsSideNavView.template.html b/src/ui/databrowserModule/singleDataset/sideNavView/sDsSideNavView.template.html
index 5e0179a2ff958cb5c1ba117e8c1998d9780d3385..c9fceb2e755e665c77e3d3784d1eea2de7430992 100644
--- a/src/ui/databrowserModule/singleDataset/sideNavView/sDsSideNavView.template.html
+++ b/src/ui/databrowserModule/singleDataset/sideNavView/sDsSideNavView.template.html
@@ -52,21 +52,27 @@
       
     </mat-card-subtitle>
   </div>
-  <mat-card-content class="mt-2">
-    <mat-tab-group>
 
-      <!-- details -->
-      <mat-tab>
-        <ng-template mat-tab-label>
-          Details
-        </ng-template>
-        <ng-template matTabContent>
+  <mat-card-content class="mt-2 ml-15px-n mr-15px-n">
+    <mat-accordion>
+
+      <!-- Details -->
+      <mat-expansion-panel hideToggle
+        [expanded]="true">
+        <mat-expansion-panel-header>
+          <mat-panel-title>
+            Details
+          </mat-panel-title>
+        </mat-expansion-panel-header>
+
+
+        <ng-template matExpansionPanelContent>
           <small class="m-1">
             <markdown-dom [markdown]="description">
             </markdown-dom>
           </small>
         </ng-template>
-      </mat-tab>
+      </mat-expansion-panel>
 
       <!-- features -->
       <div class="hidden"
@@ -77,20 +83,23 @@
       </div>
 
       <ng-container *ngFor="let feature of (rfGetAllFeatures.features | filterRegionFeaturesById : fullId)">
-        <mat-tab>
-          <ng-template mat-tab-label>
-            {{ feature.type }}
-          </ng-template>
-          <ng-template matTabContent>
+        <mat-expansion-panel hideToggle>
+          <mat-expansion-panel-header>
+            <mat-panel-title>
+              {{ feature.type }}
+            </mat-panel-title>
+          </mat-expansion-panel-header>
+
+          <ng-template matExpansionPanelContent>
             <feature-explorer [feature]="feature"
               [region]="region$ | async">
-
+  
             </feature-explorer>
           </ng-template>
-        </mat-tab>
+        </mat-expansion-panel>
       </ng-container>
+    </mat-accordion>
 
-    </mat-tab-group>
   </mat-card-content>
 </mat-card>
 
diff --git a/src/ui/nehubaContainer/nehubaContainer.style.css b/src/ui/nehubaContainer/nehubaContainer.style.css
index f5100b6837542f6cda0361ea4385bd47df2d025d..769f2ab231dfb056ba38112cf443bb597c6da101 100644
--- a/src/ui/nehubaContainer/nehubaContainer.style.css
+++ b/src/ui/nehubaContainer/nehubaContainer.style.css
@@ -102,15 +102,6 @@ div#scratch-pad
   background-color: rgba(0, 0, 0, 0.7);
 }
 
-.side-nav-cover
-{
-
-  margin-left: -15px;
-  margin-right: -15px;
-
-  box-sizing: border-box;
-}
-
 .feature-card
 {
 
diff --git a/src/ui/nehubaContainer/nehubaContainer.template.html b/src/ui/nehubaContainer/nehubaContainer.template.html
index 1c9c490c1105b34065b29a217d20ce09723ad474..7cb435de9468301db8cb8fb32adb891d93bd7df0 100644
--- a/src/ui/nehubaContainer/nehubaContainer.template.html
+++ b/src/ui/nehubaContainer/nehubaContainer.template.html
@@ -153,7 +153,7 @@
             <single-dataset-sidenav-view *ngFor="let id of shownDatasetId"
               (clear)="clearPreviewingDataset(id)"
               [fullId]="id"
-              class="side-nav-cover">
+              class="bs-border-box ml-15px-n mr-15px-n">
               <mat-chip *ngIf="regionOfInterest$ && regionOfInterest$ | async as region"
                 region-of-interest
                 iav-region
@@ -272,7 +272,7 @@
 <ng-template #sidenavDsPreviewTmpl let-file="file" let-filename="filename" let-datasetId="datasetId">
   <div class="w-100 flex-grow-1 d-flex flex-column">
 
-    <preview-card class="d-block side-nav-cover flex-grow-1"
+    <preview-card class="d-block bs-border-box ml-15px-n mr-15px-n flex-grow-1"
       [attr.aria-label]="ARIA_LABEL_ADDITIONAL_VOLUME_CONTROL"
       [datasetId]="datasetId"
       [filename]="filename">
@@ -329,7 +329,7 @@
 
 <!-- region tmpl placeholder -->
 <ng-template #regionPlaceholderTmpl>
-  <div class="placeholder-region-detail side-nav-cover mat-elevation-z4">
+  <div class="placeholder-region-detail bs-border-box ml-15px-n mr-15px-n mat-elevation-z4">
     <span class="text-muted">
       Select a region by clicking on the viewer or search from above
     </span>
@@ -384,11 +384,11 @@
       [region]="{
         name: CONST.MULTI_REGION_SELECTION
       }"
-      class="side-nav-cover mat-elevation-z4">
+      class="bs-border-box ml-15px-n mr-15px-n mat-elevation-z4">
     </region-menu>
 
     <!-- other regions detail accordion -->
-    <mat-accordion class="side-nav-cover mt-2">
+    <mat-accordion class="bs-border-box ml-15px-n mr-15px-n mt-2">
 
       <!--  regional features-->
       <ng-template #regionalFeaturesTmpl>
@@ -455,13 +455,13 @@
     <region-menu
       [showRegionInOtherTmpl]="false"
       [region]="region"
-      class="side-nav-cover mat-elevation-z4">
+      class="bs-border-box ml-15px-n mr-15px-n mat-elevation-z4">
     </region-menu>
   </ng-container>
 
   <!-- other region detail accordion -->
   <mat-accordion *ngIf="region"
-    class="side-nav-cover mt-2"
+    class="bs-border-box ml-15px-n mr-15px-n mt-2"
     iav-region
     [region]="region"
     #iavRegion="iavRegion">
diff --git a/src/ui/regionalFeatures/featureExplorer/featureExplorer.template.html b/src/ui/regionalFeatures/featureExplorer/featureExplorer.template.html
index 06f519eb256af715bf1f419ee13089f1e6d20ee5..59d2d580504b33f5f7f5032b909f62a0e7600ae5 100644
--- a/src/ui/regionalFeatures/featureExplorer/featureExplorer.template.html
+++ b/src/ui/regionalFeatures/featureExplorer/featureExplorer.template.html
@@ -1,6 +1,7 @@
 <ng-container *ngIf="!dataIsLoading; else loadingTmpl">
   
   <mat-accordion
+    class="ml-24px-n mr-24px-n d-block"
     regional-feature-interactiviity
     (rf-interact-onclick-3d-landmark)="handleLandmarkClick($event)"
     #interactDir="regionalFeatureInteractivity">
@@ -8,7 +9,7 @@
       [expanded]="(exploreElectrode$ | async | getProperty : '_' | getProperty : 'electrodeId') === datum['@id']"
       (opened)="handleDatumExpansion(datum['@id'], true)"
       (closed)="handleDatumExpansion(datum['@id'], false)"
-      hideToggle>
+      togglePosition="before">
       <mat-expansion-panel-header>
         <mat-panel-title>
           Electrode
@@ -18,14 +19,31 @@
         </mat-panel-description>
       </mat-expansion-panel-header>
 
-      <span>
-        contact points
-      </span>
-      <mat-list>
-        <mat-list-item *ngFor="let contactPt of datum['contactPoints']">
-          {{ contactPt.position | addUnitAndJoin : '' }}
-        </mat-list-item>
-      </mat-list>
+      <label for="task-list" class="d-block mat-h4 mt-4 text-muted">
+        Tasks
+      </label>
+      <section class="d-flex align-items-center mt-1">
+        <section id="task-list" class="flex-grow-1 flex-shrink-1 overflow-x-auto">
+          <div role="list" class="ws-no-wrap">
+            <mat-chip *ngFor="let task of datum['tasks']" class="ml-1">
+              {{ task }}
+            </mat-chip>
+          </div>
+        </section>
+      </section>
+
+      <label for="contact-points-list" class="d-block mat-h4 mt-4 text-muted">
+        Contact Points
+      </label>
+      <section class="d-flex align-items-center mt-1">
+        <section id="contact-points-list" class="flex-grow-1 flex-shrink-1 overflow-x-auto">
+          <div role="list" class="ws-no-wrap">
+            <mat-chip *ngFor="let contactPt of datum['contactPoints']" class="ml-1">
+              {{ contactPt.position | addUnitAndJoin : '' }}
+            </mat-chip>
+          </div>
+        </section>
+      </section>
   
     </mat-expansion-panel>
   </mat-accordion>
diff --git a/src/ui/viewerStateController/viewerState.useEffect.ts b/src/ui/viewerStateController/viewerState.useEffect.ts
index b8bad8cb025143a2be35faacadc413eddd0d7cd8..f5ed55c0457129b8f615d8f59fc693ceccf2b852 100644
--- a/src/ui/viewerStateController/viewerState.useEffect.ts
+++ b/src/ui/viewerStateController/viewerState.useEffect.ts
@@ -3,7 +3,7 @@ import { Actions, Effect, ofType } from "@ngrx/effects";
 import { Action, select, Store } from "@ngrx/store";
 import { Observable, Subscription, of, merge } from "rxjs";
 import { distinctUntilChanged, filter, map, shareReplay, withLatestFrom, switchMap, mapTo, startWith } from "rxjs/operators";
-import { CHANGE_NAVIGATION, FETCHED_TEMPLATE, IavRootStoreInterface, NEWVIEWER, SELECT_PARCELLATION, SELECT_REGIONS, generalActionError } from "src/services/stateStore.service";
+import { CHANGE_NAVIGATION, FETCHED_TEMPLATE, IavRootStoreInterface, SELECT_PARCELLATION, SELECT_REGIONS, generalActionError } from "src/services/stateStore.service";
 import { VIEWERSTATE_CONTROLLER_ACTION_TYPES } from "./viewerState.base";
 import { TemplateCoordinatesTransformation } from "src/services/templateCoordinatesTransformation.service";
 import { CLEAR_STANDALONE_VOLUMES } from "src/services/state/viewerState.store";
@@ -116,12 +116,11 @@ export class ViewerStateControllerUseEffect implements OnDestroy {
   )
 
   /**
-   * on clear of region selected, also clear selected dataset ids
+   * on region selected change (clear, select, or change selection), clear selected dataset ids
    */
   @Effect()
   public clearShownDatasetIdOnRegionClear: Observable<any> = this.store$.pipe(
     select(viewerStateSelectedRegionsSelector),
-    filter(r => r.length === 0),
     mapTo(
       uiActionHideAllDatasets()
     )