Deltares · JoerivanEngelen · Jun 23, 2026 · Jun 17, 2026 · Jun 17, 2026 · Jun 22, 2026
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
@@ -14,6 +14,7 @@ jobs:
   quarto-publish:
     name: Publish with Quarto
     runs-on: ubuntu-latest
+    permissions: pages
     steps:
         # Circumvent this problem: https://github.com/actions/checkout/issues/165
       - name: Checkout code with LFS cache

diff --git a/docs/install.qmd b/docs/install.qmd
@@ -8,7 +8,7 @@ QGIS-Tim therfore consists of three steps:
 
 ## 1. Install QGIS
 
-Download and install a recent version of QGIS (>=3.40, <4.0) from the official
+Download and install a recent version of QGIS (>=3.40) from the official
 QGIS website:
 <https://www.qgis.org/en/site/forusers/download.html>{target="_blank"}
 

diff --git a/docs/tutorial_Rijsenhout.qmd b/docs/tutorial_Rijsenhout.qmd
@@ -3,7 +3,7 @@ title: "Building Pit Rijsenhout"
 ---
 
 ## Requirements
-- Be sure QGIS version 3.40 or later is installed, but not version 4.0.
+- Be sure QGIS version 3.40 or later is installed
 - Be sure the ``gistim`` Python package is installed (see [installation](install.qmd) for instructions).
 - Download the tutorial material. [Follow this link.](https://deltares.thegood.cloud/s/zryWnfjT43Ryoea)
 - Internet connections is optional during this Tutorial. It is only required for installation of additional plugins and the use of an online topographic background map.

diff --git a/docs/tutorial_TheHague.qmd b/docs/tutorial_TheHague.qmd
@@ -46,7 +46,7 @@ title: "Building Pit The Hague "
 ---
 
 ## Requirements
-- Be sure QGIS version 3.40 or later is installed, but not version 4.0.
+- Be sure QGIS version 3.40 or later is installed
 - Be sure the ``gistim`` Python package is installed (see [installation](install.qmd) for instructions).
 - Download the tutorial material. <a href="https://deltares.thegood.cloud/s/JWsmtC82zZjSRx3" target="_blank">Follow this link.</a>
 - Installation of the QGIS-Tim plugin and the MOD plugin is part of this Tutorial. The necessary ZIP files are included in the tutorial material.

diff --git a/docs/tutorial_particle_tracking.qmd b/docs/tutorial_particle_tracking.qmd
@@ -4,7 +4,7 @@ title: "Particle Tracking"
 
 
 ## Requirements
-- Be sure QGIS version 3.40 or later is installed, but not version 4.0.
+- Be sure QGIS version 3.40 or later is installed
 - Be sure the ``gistim`` Python package is installed (see [installation](install.qmd) for instructions).
 
 ## Description

diff --git a/gistim/__init__.py b/gistim/__init__.py
@@ -1,3 +1,3 @@
 import gistim.compute  # noqa: F401
 
-__version__ = "0.7.0.dev1"
+__version__ = "0.7.0.dev2"
diff --git a/pixi.toml b/pixi.toml
@@ -1,6 +1,6 @@
 [workspace]
 name = "gistim"
-version = "0.7.0.dev1"
+version = "0.7.0.dev2"
 description = "Connects timflow Analytic Element modeling to QGIS"
 authors = ["Huite Bootsma"]
 channels = ["conda-forge"]
@@ -40,10 +40,10 @@ qgis-stubs = "*"
 qgis-plugin-manager = ">=1.7.5, <2"
 
 [feature.dev.target.win-64.dependencies]
-qgis = ">=3.40,<4"
+qgis = ">=3.40, <5"
 
 [feature.dev.target.linux-64.dependencies]
-qgis = ">=3.40,<4"
+qgis = ">=3.40, <5"
 
 
 [feature.dev.tasks]

diff --git a/plugin/qgistim/core/elements/aquifer.py b/plugin/qgistim/core/elements/aquifer.py
@@ -1,5 +1,5 @@
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsVectorLayerUtils
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core import geopackage
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/building_pit.py b/plugin/qgistim/core/elements/building_pit.py
@@ -1,7 +1,7 @@
 from typing import Any, Dict
 
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import RED, TRANSPARENT_RED
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/circular_area_sink.py b/plugin/qgistim/core/elements/circular_area_sink.py
@@ -1,7 +1,7 @@
 from typing import Any, Dict
 
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsField
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import GREEN, TRANSPARENT_GREEN
 from qgistim.core.elements.element import TransientElement

diff --git a/plugin/qgistim/core/elements/constant.py b/plugin/qgistim/core/elements/constant.py
@@ -1,5 +1,5 @@
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import RED
 from qgistim.core.elements.element import Element

diff --git a/plugin/qgistim/core/elements/discharge_observation.py b/plugin/qgistim/core/elements/discharge_observation.py
@@ -1,5 +1,5 @@
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import LIGHT_BLUE
 from qgistim.core.elements.element import Element

diff --git a/plugin/qgistim/core/elements/domain.py b/plugin/qgistim/core/elements/domain.py
@@ -1,13 +1,13 @@
 from typing import Any, Tuple
 
-from PyQt5.QtCore import QVariant
 from qgis.core import (
     QgsFeature,
     QgsField,
     QgsGeometry,
     QgsPointXY,
     QgsSingleSymbolRenderer,
 )
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import BLACK
 from qgistim.core.elements.element import ElementExtraction, TransientElement

diff --git a/plugin/qgistim/core/elements/element.py b/plugin/qgistim/core/elements/element.py
@@ -56,21 +56,21 @@
 from copy import deepcopy
 from typing import Any, Dict, List, NamedTuple, Optional, Set, Tuple, Union
 
-from PyQt5.QtWidgets import (
-    QDialog,
-    QHBoxLayout,
-    QLabel,
-    QLineEdit,
-    QPushButton,
-    QVBoxLayout,
-)
 from qgis.core import (
     QgsFillSymbol,
     QgsLineSymbol,
     QgsMarkerSymbol,
     QgsSingleSymbolRenderer,
     QgsVectorLayer,
 )
+from qgis.PyQt.QtWidgets import (
+    QDialog,
+    QHBoxLayout,
+    QLabel,
+    QLineEdit,
+    QPushButton,
+    QVBoxLayout,
+)
 
 from qgistim.core import geopackage
 from qgistim.core.extractor import ExtractorMixin
@@ -141,7 +141,7 @@ def __init__(self, path: str, name: str):
     def dialog(cls, path: str, crs: Any, iface: Any, names: List[str]):
         dialog = NameDialog()
         dialog.show()
-        ok = dialog.exec_()
+        ok = dialog.exec()
         if not ok:
             return
 

diff --git a/plugin/qgistim/core/elements/head_line_sink.py b/plugin/qgistim/core/elements/head_line_sink.py
@@ -1,5 +1,5 @@
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import BLUE
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/headwell.py b/plugin/qgistim/core/elements/headwell.py
@@ -1,14 +1,14 @@
 from typing import Any, Dict
 
-from PyQt5.QtCore import QVariant
-from PyQt5.QtGui import QColor
 from qgis.core import (
     QgsArrowSymbolLayer,
     QgsDefaultValue,
     QgsField,
     QgsLineSymbol,
     QgsSingleSymbolRenderer,
 )
+from qgis.PyQt.QtCore import QVariant
+from qgis.PyQt.QtGui import QColor
 
 from qgistim.core.elements.colors import BLUE
 from qgistim.core.elements.element import TransientElement

diff --git a/plugin/qgistim/core/elements/impermeable_line_doublet.py b/plugin/qgistim/core/elements/impermeable_line_doublet.py
@@ -1,5 +1,5 @@
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import RED
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/leaky_building_pit.py b/plugin/qgistim/core/elements/leaky_building_pit.py
@@ -1,7 +1,7 @@
 from typing import Any, Dict
 
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import RED, TRANSPARENT_RED
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/leaky_line_doublet.py b/plugin/qgistim/core/elements/leaky_line_doublet.py
@@ -1,5 +1,5 @@
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import RED
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/line_sink_ditch.py b/plugin/qgistim/core/elements/line_sink_ditch.py
@@ -1,5 +1,5 @@
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import GREEN
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/observation.py b/plugin/qgistim/core/elements/observation.py
@@ -1,5 +1,5 @@
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import LIGHT_BLUE
 from qgistim.core.elements.element import TransientElement

diff --git a/plugin/qgistim/core/elements/particle.py b/plugin/qgistim/core/elements/particle.py
@@ -1,12 +1,12 @@
 import abc
 from typing import Any, Dict
 
-from PyQt5.QtCore import QVariant
 from qgis.core import (
     QgsDefaultValue,
     QgsField,
     QgsSingleSymbolRenderer,
 )
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import GREY, LIGHT_GREY
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/polygon_area_sink.py b/plugin/qgistim/core/elements/polygon_area_sink.py
@@ -1,7 +1,7 @@
 from copy import deepcopy
 
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import GREEN, TRANSPARENT_GREEN
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/polygon_inhomogeneity.py b/plugin/qgistim/core/elements/polygon_inhomogeneity.py
@@ -1,7 +1,7 @@
 from typing import Any, Dict
 
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import GREY, TRANSPARENT_GREY
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/polygon_semi_confined_top.py b/plugin/qgistim/core/elements/polygon_semi_confined_top.py
@@ -1,7 +1,7 @@
 from copy import deepcopy
 
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import BLUE, TRANSPARENT_BLUE
 from qgistim.core.elements.default_values import DefaultValues

diff --git a/plugin/qgistim/core/elements/uniform_flow.py b/plugin/qgistim/core/elements/uniform_flow.py
@@ -1,5 +1,5 @@
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsField
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.element import Element
 from qgistim.core.elements.schemata import SingleRowSchema

diff --git a/plugin/qgistim/core/elements/well.py b/plugin/qgistim/core/elements/well.py
@@ -1,7 +1,7 @@
 from typing import Any, Dict
 
-from PyQt5.QtCore import QVariant
 from qgis.core import QgsDefaultValue, QgsField, QgsSingleSymbolRenderer
+from qgis.PyQt.QtCore import QVariant
 
 from qgistim.core.elements.colors import GREEN
 from qgistim.core.elements.element import TransientElement

diff --git a/plugin/qgistim/core/geopackage.py b/plugin/qgistim/core/geopackage.py
@@ -14,7 +14,7 @@
 from typing import List
 
 from qgis import processing
-from qgis.core import QgsVectorFileWriter, QgsVectorLayer
+from qgis.core import QgsProject, QgsVectorFileWriter, QgsVectorLayer
 
 
 @contextmanager
@@ -74,11 +74,23 @@ def write_layer(
     options.driverName = "gpkg"
     options.layerName = layername
     if not newfile:
-        options.actionOnExistingFile = QgsVectorFileWriter.CreateOrOverwriteLayer
-    write_result, error_message = QgsVectorFileWriter.writeAsVectorFormat(
-        layer, path, options
-    )
-    if write_result != QgsVectorFileWriter.NoError:
+        options.actionOnExistingFile = (
+            QgsVectorFileWriter.ActionOnExistingFile.CreateOrOverwriteLayer
+        )
+    if hasattr(QgsVectorFileWriter, "writeAsVectorFormatV3"):
+        result = QgsVectorFileWriter.writeAsVectorFormatV3(
+            layer,
+            path,
+            QgsProject.instance().transformContext(),
+            options,
+        )
+        write_result = result[0]
+        error_message = result[-1] if len(result) > 1 else ""
+    else:
+        write_result, error_message = QgsVectorFileWriter.writeAsVectorFormat(
+            layer, path, options
+        )
+    if write_result != QgsVectorFileWriter.WriterError.NoError:
         raise RuntimeError(
             f"Layer {layername} could not be written to geopackage: {path}"
             f" with error: {error_message}"

diff --git a/plugin/qgistim/core/layer_styling.py b/plugin/qgistim/core/layer_styling.py
@@ -8,7 +8,6 @@
 
 from typing import List
 
-from PyQt5.QtGui import QColor
 from qgis.core import (
     QgsColorRampShader,
     QgsLineSymbol,
@@ -22,6 +21,7 @@
     QgsTextFormat,
     QgsVectorLayerSimpleLabeling,
 )
+from qgis.PyQt.QtGui import QColor
 
 
 def color_ramp_items(
@@ -71,7 +71,7 @@ def pseudocolor_renderer(
     -------
     renderer: QgsSingleBandPseudoColorRenderer
     """
-    stats = layer.dataProvider().bandStatistics(band, QgsRasterBandStats.All)
+    stats = layer.dataProvider().bandStatistics(band, QgsRasterBandStats.Stats.All)
     minimum = stats.minimumValue
     maximum = stats.maximumValue
 
@@ -80,8 +80,10 @@ def pseudocolor_renderer(
     shader_function.setMinimumValue(minimum)
     shader_function.setMaximumValue(maximum)
     shader_function.setSourceColorRamp(ramp)
-    shader_function.setColorRampType(QgsColorRampShader.Interpolated)
-    shader_function.setClassificationMode(QgsColorRampShader.EqualInterval)
+    shader_function.setColorRampType(QgsColorRampShader.Type.Interpolated)
+    shader_function.setClassificationMode(
+        QgsColorRampShader.ClassificationMode.EqualInterval
+    )
     shader_function.setColorRampItemList(ramp_items)
 
     raster_shader = QgsRasterShader()
@@ -104,7 +106,7 @@ def number_labels(field: str) -> QgsVectorLayerSimpleLabeling:
     pal_layer = QgsPalLayerSettings()
     pal_layer.fieldName = field
     pal_layer.enabled = True
-    pal_layer.placement = QgsPalLayerSettings.Line
+    pal_layer.placement = QgsPalLayerSettings.Placement.Line
     pal_layer.formatNumbers = True
     pal_layer.decimals = 2