Is There A Weight Map Blur Plugin For Mac

In this screenshot of QGIS, you can see that the map is not filling the window. I have tried resizing the window in various ways.

Am I missing something obvious, or is this a bug? Versions:.

Is There A Weight Map Blur Plugin For Mac Download

MacBook Pro MacOS High Sierra 10.13.5. QGIS version 3.2.1-Bonn. QGIS code branch Release 3.2. Compiled against Qt 5.9.6. Running against Qt 5.9.6.

Compiled against GDAL/OGR 2.2.4. Running against GDAL/OGR 2.2.4. Compiled against GEOS 3.6.2-CAPI-1.10.2.

Running against GEOS 3.6.2-CAPI-1.10.2 4d2925d6. PostgreSQL Client Version 9.6.6.

SpatiaLite Version 4.4.0-RC0. QWT Version 6.1.3. QScintilla2 Version 2.10.7.

PROJ.4 Version 493. Philips ovu4003 driver for mac pro. Python 3.6.6. I have compiled QGIS with Macports.