diff --git a/deploy/conda-dev-spec.template b/deploy/conda-dev-spec.template
index 8710629ac..533d8068e 100644
--- a/deploy/conda-dev-spec.template
+++ b/deploy/conda-dev-spec.template
@@ -17,7 +17,7 @@ mache={{ mache }}
 matplotlib-base>=3.9.0
 metis={{ metis }}
 moab={{ moab }}=*_tempest_*
-mosaic>=1.2.0,<2.0.0
+mosaic>=1.2.1,<2.0.0
 mpas_tools={{ mpas_tools }}
 nco
 netcdf4=*=nompi_*
diff --git a/polaris/version.py b/polaris/version.py
index 7032ae6d7..6c11deaf8 100644
--- a/polaris/version.py
+++ b/polaris/version.py
@@ -1 +1 @@
-__version__ = '0.9.0-alpha.4'
+__version__ = '0.9.0-alpha.5'
diff --git a/polaris/viz/planar.py b/polaris/viz/planar.py
index 3f8160ed6..b818d7376 100644
--- a/polaris/viz/planar.py
+++ b/polaris/viz/planar.py
@@ -219,17 +219,14 @@ def plot_horiz_field(  # noqa: C901
     ax.set_xlabel('x (km)')
     ax.set_ylabel('y (km)')
     ax.set_aspect('equal')
-    ax.autoscale(tight=True)
-
-    # uncomment below once mosaic can mirror patches across periodic axis:
-    # --------------------------------------------------------------------
-    # if descriptor.is_periodic:
-    #     if descriptor.x_period and not descriptor.y_period:
-    #         ax.autoscale(axis='y', tight=True)
-    #     elif not descriptor.x_period and descriptor.y_period:
-    #         ax.autoscale(axis='x', tight=True)
-    # else:
-    #     ax.autoscale(axis='both', tight=True)
+
+    if descriptor.is_periodic:
+        if descriptor.x_period and not descriptor.y_period:
+            ax.autoscale(axis='y', tight=True)
+        elif not descriptor.x_period and descriptor.y_period:
+            ax.autoscale(axis='x', tight=True)
+    else:
+        ax.autoscale(axis='both', tight=True)
 
     # scale ticks to be in kilometers
     ax.xaxis.set_major_formatter(lambda x, pos: f'{x / 1e3:g}')