diff --git a/docker/debian/Dockerfile b/docker/debian/Dockerfile
index 9d7801a3fb9..087905a3f88 100644
--- a/docker/debian/Dockerfile
+++ b/docker/debian/Dockerfile
@@ -191,7 +191,9 @@ ENV GRASS_SKIP_MAPSET_OWNER_CHECK=1
 ENV PROJ_NETWORK=ON
 
 # Create generic GRASS lib name regardless of version number
-RUN ln -sf /usr/local/grass86 /usr/local/grass
+RUN GRASS_DIR="$(find /usr/local -maxdepth 1 -type d -name 'grass*' ! -name 'grass' | sort | tail -n 1)" && \
+    test -n "$GRASS_DIR" && \
+    ln -sfn "$GRASS_DIR" /usr/local/grass
 
 # show GRASS, PROJ, GDAL etc versions
 RUN grass --tmp-project EPSG:4326 --exec g.version -rge && \
diff --git a/gui/wxpython/lmgr/layertree.py b/gui/wxpython/lmgr/layertree.py
index 0b9c042c5c1..0b29db51fa7 100644
--- a/gui/wxpython/lmgr/layertree.py
+++ b/gui/wxpython/lmgr/layertree.py
@@ -1311,8 +1311,6 @@ def OnPopupGroupOpacityLevel(self, event):
             if maplayer and ltype != "command":
                 break
             child = self.GetNextSibling(child)
-            if child is None:
-                child, cookie = self.GetNextChild(child, cookie)
         current_opacity = maplayer.GetOpacity()
         dlg = SetOpacityDialog(
             self,
diff --git a/lib/cairodriver/draw_bitmap.c b/lib/cairodriver/draw_bitmap.c
index d745578817a..058d493b2ac 100644
--- a/lib/cairodriver/draw_bitmap.c
+++ b/lib/cairodriver/draw_bitmap.c
@@ -12,6 +12,7 @@
  */
 
 #include <grass/glocale.h>
+#include <grass/gis.h>
 
 #include "cairodriver.h"
 
@@ -37,7 +38,7 @@ void Cairo_Bitmap(int ncols, int nrows, int threshold, const unsigned char *buf)
 #define MULTIPLE 4
     stride = (ncols + (MULTIPLE - 1)) / MULTIPLE * MULTIPLE;
 #endif
-    data = malloc((size_t)stride * nrows);
+    data = G_malloc((size_t)stride * nrows);
     surf = cairo_image_surface_create_for_data(data, CAIRO_FORMAT_A8, ncols,
                                                nrows, stride);
 
diff --git a/python/grass/temporal/metadata.py b/python/grass/temporal/metadata.py
index f892230b00e..6aa3b916073 100644
--- a/python/grass/temporal/metadata.py
+++ b/python/grass/temporal/metadata.py
@@ -1723,8 +1723,8 @@ def _print_info_body(self, shell: bool = False) -> None:
             print(
                 " | 3D raster register table:... " + str(self.get_raster3d_register())
             )
-            print(" | Top-bottom resolution min:.. " + str(self.get_ewres_min()))
-            print(" | Top-bottom resolution max:.. " + str(self.get_ewres_max()))
+            print(" | Top-bottom resolution min:.. " + str(self.get_tbres_min()))
+            print(" | Top-bottom resolution max:.. " + str(self.get_tbres_max()))
         super()._print_info_body(shell)
 
 
diff --git a/raster/r.what.color/main.c b/raster/r.what.color/main.c
index e314640d732..0b8c5c340b9 100644
--- a/raster/r.what.color/main.c
+++ b/raster/r.what.color/main.c
@@ -84,13 +84,8 @@ static int do_value(const char *buf, RASTER_MAP_TYPE type,
         switch (outputFormat) {
         case PLAIN:
             fprintf(stdout, "%d: ", ival);
-            if (strcmp(fmt, "plain") != 0) {
-                fprintf(stdout, fmt, red, grn, blu);
-            }
-            else {
-                G_color_to_str(red, grn, blu, colorFormat, color_str);
-                fprintf(stdout, "%s", color_str);
-            }
+            G_color_to_str(red, grn, blu, colorFormat, color_str);
+            fprintf(stdout, "%s", color_str);
             fprintf(stdout, "\n");
             break;
 
diff --git a/scripts/d.correlate/tests/d_correlate_test.py b/scripts/d.correlate/tests/d_correlate_test.py
index a7d05b6e4f3..f570ad365d0 100644
--- a/scripts/d.correlate/tests/d_correlate_test.py
+++ b/scripts/d.correlate/tests/d_correlate_test.py
@@ -33,6 +33,14 @@ def test_fewer_than_two_maps_is_fatal(xy_raster_dataset_session_mapset, tmp_path
         tools.d_correlate(map="map_a")
 
 
+def test_exactly_two_maps_runs(xy_raster_dataset_session_mapset, tmp_path):
+    """d.correlate handles its primary two-map use case without crashing."""
+    tools = render_tools(xy_raster_dataset_session_mapset, tmp_path)
+    tools.r_mapcalc(expression="map_a = col()")
+    tools.r_mapcalc(expression="map_b = row()")
+    tools.d_correlate(map="map_a,map_b")
+
+
 def test_more_than_two_maps_runs(xy_raster_dataset_session_mapset, tmp_path):
     """d.correlate handles more than two maps without crashing.
 
diff --git a/scripts/i.oif/i.oif.py b/scripts/i.oif/i.oif.py
index d158454bbe0..96dbea55f0a 100755
--- a/scripts/i.oif/i.oif.py
+++ b/scripts/i.oif/i.oif.py
@@ -142,9 +142,8 @@ def main():
         for v, p in oif:
             sys.stdout.write(fmt % (p + (v,)))
     else:
-        outf = open(output, "w")
-        outf.writelines(fmt % (p + (v,)) for v, p in oif)
-        outf.close()
+        with open(output, "w") as outf:
+            outf.writelines(fmt % (p + (v,)) for v, p in oif)
 
 
 if __name__ == "__main__":
diff --git a/scripts/m.proj/m.proj.py b/scripts/m.proj/m.proj.py
index 861472f256c..5627c03fa80 100755
--- a/scripts/m.proj/m.proj.py
+++ b/scripts/m.proj/m.proj.py
@@ -211,9 +211,7 @@ def main():
     if coords:
         x, y = coords.split(",")
         tmpfile = gcore.tempfile()
-        fd = open(tmpfile, "w")
-        fd.write("%s%s%s\n" % (x, ifs, y))
-        fd.close()
+        Path(tmpfile).write_text("%s%s%s\n" % (x, ifs, y))
         inf = open(tmpfile)
     elif input == "-":
         infile = None
diff --git a/scripts/r.in.wms/wms_cap_parsers.py b/scripts/r.in.wms/wms_cap_parsers.py
index 5e6d658db11..fe1e5a3d1d9 100644
--- a/scripts/r.in.wms/wms_cap_parsers.py
+++ b/scripts/r.in.wms/wms_cap_parsers.py
@@ -159,7 +159,7 @@ def _initLayer(self, layer, parent_layer):
             for element in replaced_elements:
                 elems = layer.findall(self.xml_ns.Ns(element[0]))
 
-                if len(elems) != 0 or element[1] == "add":
+                if len(elems) == 0 or element[1] == "add":
                     for e in parent_layer.findall(self.xml_ns.Ns(element[0])):
                         layer.append(e)
 
diff --git a/scripts/r.in.wms/wms_gdal_drv.py b/scripts/r.in.wms/wms_gdal_drv.py
index 2765ccb4ee1..6ec3e3501a9 100644
--- a/scripts/r.in.wms/wms_gdal_drv.py
+++ b/scripts/r.in.wms/wms_gdal_drv.py
@@ -155,9 +155,8 @@ def _download(self):
         xml_file = self._createXML()
 
         # print xml file content for debug level 1
-        file = open(xml_file)
-        gs.debug("WMS request XML:\n%s" % file.read(), 1)
-        file.close()
+        with open(xml_file) as file:
+            gs.debug("WMS request XML:\n%s" % file.read(), 1)
 
         if self.proxy:
             gdal.SetConfigOption("GDAL_HTTP_PROXY", str(self.proxy))
diff --git a/scripts/v.import/v.import.py b/scripts/v.import/v.import.py
index 9a9123e4876..005af9b3c00 100755
--- a/scripts/v.import/v.import.py
+++ b/scripts/v.import/v.import.py
@@ -251,12 +251,11 @@ def main():
 
     TMPLOC = gs.append_node_pid("tmp_v_import_location")
 
-    f = open(SRCGISRC, "w")
-    f.write("MAPSET: PERMANENT\n")
-    f.write("GISDBASE: %s\n" % GISDBASE)
-    f.write("LOCATION_NAME: %s\n" % TMPLOC)
-    f.write("GUI: text\n")
-    f.close()
+    with open(SRCGISRC, "w") as f:
+        f.write("MAPSET: PERMANENT\n")
+        f.write("GISDBASE: %s\n" % GISDBASE)
+        f.write("LOCATION_NAME: %s\n" % TMPLOC)
+        f.write("GUI: text\n")
 
     # create temp location from input without import
     gs.verbose(_("Creating temporary project for <%s>...") % OGRdatasource)
diff --git a/temporal/t.vect.import/tests/t_vect_import_test.py b/temporal/t.vect.import/tests/t_vect_import_test.py
index 76f770fe5a5..d9ed2a38c57 100644
--- a/temporal/t.vect.import/tests/t_vect_import_test.py
+++ b/temporal/t.vect.import/tests/t_vect_import_test.py
@@ -53,6 +53,8 @@ def test_import_formats(
     )
     info = _stvds_tinfo(tools, output)
     assert info["temporal_type"] == "absolute"
+    assert info["start_time"] == "2001-01-01 00:00:00"
+    assert info["end_time"] == "2001-04-01 00:00:00"
     assert info["number_of_maps"] == 3