Fixes hanging figure outputs in notebooks when the Desktop is opened and subsequently closed.

In MATLAB R2025a, figure outputs in notebooks may hang if the user switches to the Desktop and then closes the browser tab. This issue is resolved for MATLAB R2025b and later.

Author: rashedmyt

src/jupyter_matlab_kernel/matlab/+jupyter/execute.m

@@ -12,7 +12,7 @@
 % of a unique Live Script. Hence, each execution request can be considered as
 % creating and running a new Live Script file.
 
-% Copyright 2023-2024 The MathWorks, Inc.
+% Copyright 2023-2025 The MathWorks, Inc.
 
 % Embed user MATLAB code in a try-catch block for MATLAB versions less than R2022b.
 % This is will disable inbuilt ErrorRecovery mechanism. Any exceptions created in
@@ -47,6 +47,13 @@
 hotlinksPreviousState = feature('hotlinks','off');
 hotlinksCleanupObj = onCleanup(@() feature('hotlinks', hotlinksPreviousState));
 
+% Figures hang in MATLAB versions >= R2025a for certain workflows. The following
+% workaround fixes the issue in MATLAB versions >= R2025b.
+if ~isMATLABReleaseOlderThan("R2025b")
+    forceIndependentlyHostedFiguresProp = addprop(groot, "ForceIndependentlyHostedFigures");
+    propCleanupObj = onCleanup(@() delete(forceIndependentlyHostedFiguresProp));
+end
+
 % Use the Live editor API for execution of MATLAB code and capturing the outputs
 resp = jsondecode(matlab.internal.editor.evaluateSynchronousRequest(request));