diff --git a/vuu-ui/packages/vuu-data-remote/src/server-proxy/server-proxy.ts b/vuu-ui/packages/vuu-data-remote/src/server-proxy/server-proxy.ts
index 1e36492e9..f5d06a6ac 100644
--- a/vuu-ui/packages/vuu-data-remote/src/server-proxy/server-proxy.ts
+++ b/vuu-ui/packages/vuu-data-remote/src/server-proxy/server-proxy.ts
@@ -306,7 +306,8 @@ export class ServerProxy {
           // Resend requests for links from other viewports already on page, they may be linkable to this viewport
           Array.from(this.viewports.entries())
             .filter(
-              ([id, { disabled }]) => id !== serverViewportId && !disabled,
+              ([id, { disabled, status }]) =>
+                id !== serverViewportId && !disabled && status === "subscribed",
             )
             .forEach(([vpId]) => {
               this.sendMessageToServer({
diff --git a/vuu-ui/packages/vuu-datatable/src/linked-table-view/LinkedTableView.tsx b/vuu-ui/packages/vuu-datatable/src/linked-table-view/LinkedTableView.tsx
index ee1d7b8f9..5287568b0 100644
--- a/vuu-ui/packages/vuu-datatable/src/linked-table-view/LinkedTableView.tsx
+++ b/vuu-ui/packages/vuu-datatable/src/linked-table-view/LinkedTableView.tsx
@@ -17,6 +17,7 @@ import {
 
 import css from "./LinkedTableView.css";
 import { TableLayoutToggleButton } from "./TableLayoutToggleButton";
+import { Filter } from "@finos/vuu-filter-types";
 
 const classBase = "vuuLinkedTableView";
 
@@ -47,10 +48,25 @@ export type LinkedDataSources = {
 
 /**
  * Displays a vertical 'tower' of Tables with a hierarchical relationship.
- * Selection of row(s) on tables higher in the hierarchy drives the population
- * of data in tables below. (could be two-way ?)
+ * Currently supported levels are:
+ * - tier 1  - parent table(s)
+ * - tier 2  - child table(s)
+ * -tier 3 (optional) - grandchild table(s)
+ *
+ * Selection of row(s) on tables higher in the hierarchy drives the display
+ * of data in tables below. Currently this is one-way, top-down only
  */
 export interface LinkedTableViewProps extends HTMLAttributes<HTMLDivElement> {
+  /**
+   * Optional filter to allow externally controlled filter to be applied. This will
+   * be applied to tier 1 table(s).
+   * If applicable, it will also be applied to tier2/tier3 table(s) when no selection
+   * is in effect from parent table, 'If applicable' means if the filter column is
+   * available on tier 2/tier 3 tables).
+   * If a filter is provided and it cannot be applied - because
+   * column name of filter is not available in tier 1 table, an exception will be thrown.
+   */
+  filter?: Filter;
   linkedDataSources: LinkedDataSources;
 }
 const LinkedTables = ({
diff --git a/vuu-ui/packages/vuu-ui-controls/src/split-button/SplitButton.css b/vuu-ui/packages/vuu-ui-controls/src/split-button/SplitButton.css
index 176d79d17..2104ebc80 100644
--- a/vuu-ui/packages/vuu-ui-controls/src/split-button/SplitButton.css
+++ b/vuu-ui/packages/vuu-ui-controls/src/split-button/SplitButton.css
@@ -104,7 +104,7 @@
 
 .vuuSplitButton-cta {
   --split-background: var(--background, var(--salt-actionable-accented-bold-background));
-  --split-background-active: var(--salt-actionable-accented-bold-background-active;
+  --split-background-active: var(--salt-actionable-accented-bold-background-active);
   --split-color-active: var(--salt-actionable-bold-foreground-active);
 }
 .vuuSplitButton-cta:hover:not(.vuuSplitButton-disabled) {