From f50ba230ce2099622754e77d1f27db4479a2a5f1 Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Sun, 14 Sep 2025 15:14:53 +0200
Subject: [PATCH 01/11] Improve deps

---
 pyproject.toml | 70 +++++++++++++++++++++++++-------------------------
 1 file changed, 35 insertions(+), 35 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 2384dcdc3..28f453fca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,28 +37,28 @@ dependencies = [
     "numpy >= 1.21.5, < 3",
     "pandas >= 2.0.0, < 3",
     # Optimization and data handling
-    "linopy >=0.5.7, <0.5.8",  # Update and test regularly
+    "linopy >=0.5.7, <0.5.8",
     "netcdf4 >= 1.6.1, < 2",
     # Utilities
     "PyYAML >= 6.0.0, < 7",
-    "rich >= 13.0.0",
-    "tomli >= 2.0.1; python_version < '3.11'", # Only needed with python 3.10 or earlier
+    "rich >= 13.0.0, < 15",
+    "tomli >= 2.0.1, < 3; python_version < '3.11'", # Only needed with python 3.10 or earlier
     # Default solver
-    "highspy >= 1.5.3",
+    "highspy >= 1.5.3, < 2",
 
     # Visualization
-    "matplotlib >= 3.5.2, < 4.0.0",
+    "matplotlib >= 3.5.2, < 4",
     "plotly >=5.15.0, <6.4.0",
 ]
 
 [project.optional-dependencies]
 # Interactive network visualization with enhanced color picker
 network-viz = [
-    "dash >= 3.0.0",
-    "dash-cytoscape >= 1.0.0",
-    "dash-daq >= 0.6.0",
-    "networkx >= 3.0.0",
-    "werkzeug >= 3.0.0",
+    "dash >= 3.0.0, < 4",
+    "dash-cytoscape >= 1.0.0, < 2",
+    "dash-daq >= 0.6.0, < 1",
+    "networkx >= 3.0.0, < 4",
+    "werkzeug >= 3.0.0, < 4",
 ]
 
 # Full feature set (everything except dev tools)
@@ -66,43 +66,43 @@ full = [
     "pyvis ==0.3.2",  # Visualizing FlowSystem Network
     "tsam >= 2.3.1, < 3.0.0",   # Time series aggregation
     "scipy >= 1.15.1, < 2.0.0", # Used by tsam. Prior versions have conflict with highspy. See https://github.com/scipy/scipy/issues/22257
-    "gurobipy >= 10.0.0",
-    "dash >= 3.0.0",  # Visualizing FlowSystem Network as app
-    "dash-cytoscape >= 1.0.0",  # Visualizing FlowSystem Network as app
-    "dash-daq >= 0.6.0",  # Visualizing FlowSystem Network as app
-    "networkx >= 3.0.0",  # Visualizing FlowSystem Network as app
-    "werkzeug >= 3.0.0",  # Visualizing FlowSystem Network as app
+    "gurobipy >= 10.0.0, < 13",
+    "dash >= 3.0.0, < 4.0.0",  # Visualizing FlowSystem Network as app
+    "dash-cytoscape >= 1.0.0, < 2.0.0",  # Visualizing FlowSystem Network as app
+    "dash-daq >= 0.6.0, < 1.0.0",  # Visualizing FlowSystem Network as app
+    "networkx >= 3.0.0, < 4.0.0",  # Visualizing FlowSystem Network as app
+    "werkzeug >= 3.0.0, < 4.0.0",  # Visualizing FlowSystem Network as app
 ]
 
 # Development tools and testing
 dev = [
-    "pytest >= 7.0.0",
-    "nbformat>=4.2.0",  # Related to failing CI with Plotly>6
-    "ruff >= 0.9.0",
-    "pre-commit >= 4.0.0",
+    "pytest >= 7.0.0, < 9",
+    "nbformat>=4.2.0, < 6",  # Related to failing CI with Plotly>6
+    "ruff >= 0.9.0, < 1",
+    "pre-commit >= 4.0.0, < 5",
     "pyvis ==0.3.2",  # Visualizing FlowSystem
     "tsam >= 2.3.1, < 3.0.0",   # Time series aggregation
     "scipy >= 1.15.1, < 2.0.0", # Used by tsam. Prior versions have conflict with highspy. See https://github.com/scipy/scipy/issues/22257
-    "gurobipy >= 10.0.0",
-    "dash >= 3.0.0",
-    "dash-cytoscape >= 1.0.0",
-    "dash-daq >= 0.6.0",
-    "networkx >= 3.0.0",
-    "werkzeug >= 3.0.0",
+    "gurobipy >= 10.0.0, < 13",
+    "dash >= 3.0.0, < 4",
+    "dash-cytoscape >= 1.0.0, < 2",
+    "dash-daq >= 0.6.0, < 1",
+    "networkx >= 3.0.0, < 4",
+    "werkzeug >= 3.0.0, < 4",
 ]
 
 # Documentation building
 docs = [
     "mkdocs-material >= 9.0.0, < 10",
-    "mkdocstrings-python >= 1.0.0",
-    "mkdocs-table-reader-plugin >= 2.0.0",
-    "mkdocs-gen-files >= 0.4.0",
-    "mkdocs-include-markdown-plugin >= 6.0.0",
-    "mkdocs-literate-nav >= 0.6.0",
-    "markdown-include >= 0.8.0",
-    "pymdown-extensions >= 10.0.0",
-    "pygments >= 2.14.0",
-    "mike >= 2.0.0",
+    "mkdocstrings-python >= 1.0.0, < 2.0.0",
+    "mkdocs-table-reader-plugin >= 2.0.0, < 4.0.0",
+    "mkdocs-gen-files >= 0.4.0, < 1.0.0",
+    "mkdocs-include-markdown-plugin >= 6.0.0, < 8.0.0",
+    "mkdocs-literate-nav >= 0.6.0, < 1.0.0",
+    "markdown-include >= 0.8.0, < 1.0.0",
+    "pymdown-extensions >= 10.0.0, < 11.0.0",
+    "pygments >= 2.14.0, < 3.0.0",
+    "mike >= 2.0.0, < 3.0.0",
 ]
 
 [project.urls]

From f4eef9f0fc57caf4d9ccbeedc72b37047d2ad6ff Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Sun, 14 Sep 2025 15:24:20 +0200
Subject: [PATCH 02/11] Improve deps

---
 pyproject.toml | 38 +++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 28f453fca..07fa300a1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ dependencies = [
 
     # Visualization
     "matplotlib >= 3.5.2, < 4",
-    "plotly >=5.15.0, <6.4.0",
+    "plotly >=5.15.0, <7",
 ]
 
 [project.optional-dependencies]
@@ -64,14 +64,14 @@ network-viz = [
 # Full feature set (everything except dev tools)
 full = [
     "pyvis ==0.3.2",  # Visualizing FlowSystem Network
-    "tsam >= 2.3.1, < 3.0.0",   # Time series aggregation
-    "scipy >= 1.15.1, < 2.0.0", # Used by tsam. Prior versions have conflict with highspy. See https://github.com/scipy/scipy/issues/22257
+    "tsam >= 2.3.1, < 3",   # Time series aggregation
+    "scipy >= 1.15.1, < 2", # Used by tsam. Prior versions have conflict with highspy. See https://github.com/scipy/scipy/issues/22257
     "gurobipy >= 10.0.0, < 13",
-    "dash >= 3.0.0, < 4.0.0",  # Visualizing FlowSystem Network as app
-    "dash-cytoscape >= 1.0.0, < 2.0.0",  # Visualizing FlowSystem Network as app
-    "dash-daq >= 0.6.0, < 1.0.0",  # Visualizing FlowSystem Network as app
-    "networkx >= 3.0.0, < 4.0.0",  # Visualizing FlowSystem Network as app
-    "werkzeug >= 3.0.0, < 4.0.0",  # Visualizing FlowSystem Network as app
+    "dash >= 3.0.0, < 4",  # Visualizing FlowSystem Network as app
+    "dash-cytoscape >= 1.0.0, < 2",  # Visualizing FlowSystem Network as app
+    "dash-daq >= 0.6.0, < 1",  # Visualizing FlowSystem Network as app
+    "networkx >= 3.0.0, < 4",  # Visualizing FlowSystem Network as app
+    "werkzeug >= 3.0.0, < 4",  # Visualizing FlowSystem Network as app
 ]
 
 # Development tools and testing
@@ -81,8 +81,8 @@ dev = [
     "ruff >= 0.9.0, < 1",
     "pre-commit >= 4.0.0, < 5",
     "pyvis ==0.3.2",  # Visualizing FlowSystem
-    "tsam >= 2.3.1, < 3.0.0",   # Time series aggregation
-    "scipy >= 1.15.1, < 2.0.0", # Used by tsam. Prior versions have conflict with highspy. See https://github.com/scipy/scipy/issues/22257
+    "tsam >= 2.3.1, < 3",   # Time series aggregation
+    "scipy >= 1.15.1, < 2", # Used by tsam. Prior versions have conflict with highspy. See https://github.com/scipy/scipy/issues/22257
     "gurobipy >= 10.0.0, < 13",
     "dash >= 3.0.0, < 4",
     "dash-cytoscape >= 1.0.0, < 2",
@@ -94,15 +94,15 @@ dev = [
 # Documentation building
 docs = [
     "mkdocs-material >= 9.0.0, < 10",
-    "mkdocstrings-python >= 1.0.0, < 2.0.0",
-    "mkdocs-table-reader-plugin >= 2.0.0, < 4.0.0",
-    "mkdocs-gen-files >= 0.4.0, < 1.0.0",
-    "mkdocs-include-markdown-plugin >= 6.0.0, < 8.0.0",
-    "mkdocs-literate-nav >= 0.6.0, < 1.0.0",
-    "markdown-include >= 0.8.0, < 1.0.0",
-    "pymdown-extensions >= 10.0.0, < 11.0.0",
-    "pygments >= 2.14.0, < 3.0.0",
-    "mike >= 2.0.0, < 3.0.0",
+    "mkdocstrings-python >= 1.0.0, < 2",
+    "mkdocs-table-reader-plugin >= 2.0.0, < 4",
+    "mkdocs-gen-files >= 0.4.0, < 1",
+    "mkdocs-include-markdown-plugin >= 6.0.0, < 8",
+    "mkdocs-literate-nav >= 0.6.0, < 1",
+    "markdown-include >= 0.8.0, < 1",
+    "pymdown-extensions >= 10.0.0, < 11",
+    "pygments >= 2.14.0, < 3",
+    "mike >= 2.0.0, < 3",
 ]
 
 [project.urls]

From a80a15f5bc4ad6ef00d0fe176ba8853d2639f427 Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Sun, 14 Sep 2025 15:31:41 +0200
Subject: [PATCH 03/11] Added xarray dependency explicitly

---
 pyproject.toml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pyproject.toml b/pyproject.toml
index 07fa300a1..0f739f8e0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,6 +36,7 @@ dependencies = [
     # Core scientific computing
     "numpy >= 1.21.5, < 3",
     "pandas >= 2.0.0, < 3",
+    "xarray >= 2024.2.0, < 2025.9.0",
     # Optimization and data handling
     "linopy >=0.5.7, <0.5.8",
     "netcdf4 >= 1.6.1, < 2",

From 8526eda70d148c0acdd02d929d30e554d496d2a9 Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Mon, 15 Sep 2025 19:01:10 +0200
Subject: [PATCH 04/11] After testing linopy versions, widen dependency to
 >0.5.1

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 0f739f8e0..0b345dcb9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ dependencies = [
     "pandas >= 2.0.0, < 3",
     "xarray >= 2024.2.0, < 2025.9.0",
     # Optimization and data handling
-    "linopy >=0.5.7, <0.5.8",
+    "linopy >=0.5.1, <0.5.8",
     "netcdf4 >= 1.6.1, < 2",
     # Utilities
     "PyYAML >= 6.0.0, < 7",

From 0f162850dd254e0e6e2f296fb6370073ae4d6284 Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Mon, 15 Sep 2025 19:09:16 +0200
Subject: [PATCH 05/11] Add dep bounds to flask, allow ruff 1.x,widen linopy
 dep

---
 pyproject.toml | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 0b345dcb9..920c74ed3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,9 +36,9 @@ dependencies = [
     # Core scientific computing
     "numpy >= 1.21.5, < 3",
     "pandas >= 2.0.0, < 3",
-    "xarray >= 2024.2.0, < 2025.9.0",
+    "xarray >= 2024.2.0, < 2026.0",  # CalVer: allow through next calendar year
     # Optimization and data handling
-    "linopy >=0.5.1, <0.5.8",
+    "linopy >= 0.5.1, < 0.6",  # Widened from patch pin to minor range
     "netcdf4 >= 1.6.1, < 2",
     # Utilities
     "PyYAML >= 6.0.0, < 7",
@@ -49,7 +49,7 @@ dependencies = [
 
     # Visualization
     "matplotlib >= 3.5.2, < 4",
-    "plotly >=5.15.0, <7",
+    "plotly >= 5.15.0, < 7",
 ]
 
 [project.optional-dependencies]
@@ -60,6 +60,7 @@ network-viz = [
     "dash-daq >= 0.6.0, < 1",
     "networkx >= 3.0.0, < 4",
     "werkzeug >= 3.0.0, < 4",
+    "Flask >= 3.0.0, < 4",  # Explicit Flask cap to prevent transitive major bumps
 ]
 
 # Full feature set (everything except dev tools)
@@ -78,8 +79,8 @@ full = [
 # Development tools and testing
 dev = [
     "pytest >= 7.0.0, < 9",
-    "nbformat>=4.2.0, < 6",  # Related to failing CI with Plotly>6
-    "ruff >= 0.9.0, < 1",
+    "nbformat >= 4.2.0, < 6",  # Pinned due to CI compatibility issues; revisit quarterly
+    "ruff >= 0.9.0, < 2",  # Allow 1.x versions
     "pre-commit >= 4.0.0, < 5",
     "pyvis ==0.3.2",  # Visualizing FlowSystem
     "tsam >= 2.3.1, < 3",   # Time series aggregation

From b16048b0f86954eadd1c964023ef9d5ae3bd315a Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Tue, 16 Sep 2025 20:20:13 +0200
Subject: [PATCH 06/11] pin

---
 pyproject.toml | 46 +++++++++++++++++++++++-----------------------
 1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 920c74ed3..69256fcfc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -78,33 +78,33 @@ full = [
 
 # Development tools and testing
 dev = [
-    "pytest >= 7.0.0, < 9",
-    "nbformat >= 4.2.0, < 6",  # Pinned due to CI compatibility issues; revisit quarterly
-    "ruff >= 0.9.0, < 2",  # Allow 1.x versions
-    "pre-commit >= 4.0.0, < 5",
-    "pyvis ==0.3.2",  # Visualizing FlowSystem
-    "tsam >= 2.3.1, < 3",   # Time series aggregation
-    "scipy >= 1.15.1, < 2", # Used by tsam. Prior versions have conflict with highspy. See https://github.com/scipy/scipy/issues/22257
-    "gurobipy >= 10.0.0, < 13",
-    "dash >= 3.0.0, < 4",
-    "dash-cytoscape >= 1.0.0, < 2",
-    "dash-daq >= 0.6.0, < 1",
-    "networkx >= 3.0.0, < 4",
-    "werkzeug >= 3.0.0, < 4",
+    "pytest==8.4.2",
+    "nbformat==5.10.4",
+    "ruff==0.13.0",
+    "pre-commit==4.3.0",
+    "pyvis==0.3.2",
+    "tsam==2.3.1",
+    "scipy==1.16.1",
+    "gurobipy==12.0.3",
+    "dash==3.0.0",
+    "dash-cytoscape==1.0.0",
+    "dash-daq==0.6.0",
+    "networkx==3.0.0",
+    "werkzeug==3.0.0",
 ]
 
 # Documentation building
 docs = [
-    "mkdocs-material >= 9.0.0, < 10",
-    "mkdocstrings-python >= 1.0.0, < 2",
-    "mkdocs-table-reader-plugin >= 2.0.0, < 4",
-    "mkdocs-gen-files >= 0.4.0, < 1",
-    "mkdocs-include-markdown-plugin >= 6.0.0, < 8",
-    "mkdocs-literate-nav >= 0.6.0, < 1",
-    "markdown-include >= 0.8.0, < 1",
-    "pymdown-extensions >= 10.0.0, < 11",
-    "pygments >= 2.14.0, < 3",
-    "mike >= 2.0.0, < 3",
+    "mkdocs-material==9.6.19",
+    "mkdocstrings-python==1.18.2",
+    "mkdocs-table-reader-plugin==3.1.0",
+    "mkdocs-gen-files==0.5.0",
+    "mkdocs-include-markdown-plugin==7.1.7",
+    "mkdocs-literate-nav==0.6.2",
+    "markdown-include==0.8.1",
+    "pymdown-extensions==10.16.1",
+    "pygments==2.19.2",
+    "mike==2.1.4",
 ]
 
 [project.urls]

From 0aa6153aa8e1301687f7685d7ba63f96ac546bbe Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Tue, 16 Sep 2025 20:43:57 +0200
Subject: [PATCH 07/11] Fix scipy

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 69256fcfc..904510e99 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -84,7 +84,7 @@ dev = [
     "pre-commit==4.3.0",
     "pyvis==0.3.2",
     "tsam==2.3.1",
-    "scipy==1.16.1",
+    "scipy==1.15.1",
     "gurobipy==12.0.3",
     "dash==3.0.0",
     "dash-cytoscape==1.0.0",

From 11d52d3c947b9eb721417704ed4490ad30e76f29 Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Tue, 16 Sep 2025 21:25:28 +0200
Subject: [PATCH 08/11] Fix mike

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 904510e99..04b58ea2a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -104,7 +104,7 @@ docs = [
     "markdown-include==0.8.1",
     "pymdown-extensions==10.16.1",
     "pygments==2.19.2",
-    "mike==2.1.4",
+    "mike==2.1.3",
 ]
 
 [project.urls]

From 1c663f0591f3b6c371289f99ab18210e5a26b8bc Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Tue, 16 Sep 2025 23:00:20 +0200
Subject: [PATCH 09/11] Fix format

---
 pyproject.toml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 04b58ea2a..45b37604d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ dependencies = [
     "linopy >= 0.5.1, < 0.6",  # Widened from patch pin to minor range
     "netcdf4 >= 1.6.1, < 2",
     # Utilities
-    "PyYAML >= 6.0.0, < 7",
+    "pyyaml >= 6.0.0, < 7",
     "rich >= 13.0.0, < 15",
     "tomli >= 2.0.1, < 3; python_version < '3.11'", # Only needed with python 3.10 or earlier
     # Default solver
@@ -54,18 +54,18 @@ dependencies = [
 
 [project.optional-dependencies]
 # Interactive network visualization with enhanced color picker
-network-viz = [
+network_viz = [
     "dash >= 3.0.0, < 4",
     "dash-cytoscape >= 1.0.0, < 2",
     "dash-daq >= 0.6.0, < 1",
     "networkx >= 3.0.0, < 4",
     "werkzeug >= 3.0.0, < 4",
-    "Flask >= 3.0.0, < 4",  # Explicit Flask cap to prevent transitive major bumps
+    "flask >= 3.0.0, < 4",  # Explicit Flask cap to prevent transitive major bumps
 ]
 
 # Full feature set (everything except dev tools)
 full = [
-    "pyvis ==0.3.2",  # Visualizing FlowSystem Network
+    "pyvis==0.3.2",  # Visualizing FlowSystem Network
     "tsam >= 2.3.1, < 3",   # Time series aggregation
     "scipy >= 1.15.1, < 2", # Used by tsam. Prior versions have conflict with highspy. See https://github.com/scipy/scipy/issues/22257
     "gurobipy >= 10.0.0, < 13",

From a34b7d41ddefa74eabb6ee0ed1d725682fd9d882 Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Tue, 16 Sep 2025 23:01:53 +0200
Subject: [PATCH 10/11] Fix Error Message

---
 flixopt/flow_system.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/flixopt/flow_system.py b/flixopt/flow_system.py
index 90913b05a..010199e62 100644
--- a/flixopt/flow_system.py
+++ b/flixopt/flow_system.py
@@ -258,7 +258,7 @@ def start_network_app(self):
         if not DASH_CYTOSCAPE_AVAILABLE:
             raise ImportError(
                 f'Network visualization requires optional dependencies. '
-                f'Install with: pip install flixopt[viz], flixopt[full] or pip install dash dash_cytoscape networkx werkzeug. '
+                f'Install with: pip install flixopt[network_viz], flixopt[full] or pip install dash dash_cytoscape networkx werkzeug. '
                 f'Original error: {VISUALIZATION_ERROR}'
             )
 
@@ -278,7 +278,7 @@ def stop_network_app(self):
         if not DASH_CYTOSCAPE_AVAILABLE:
             raise ImportError(
                 f'Network visualization requires optional dependencies. '
-                f'Install with: pip install flixopt[viz]. '
+                f'Install with: pip install flixopt[network_viz]. '
                 f'Original error: {VISUALIZATION_ERROR}'
             )
 

From 319ef5822c7e87dc5bbe0d397cae8952cded128d Mon Sep 17 00:00:00 2001
From: FBumann <117816358+FBumann@users.noreply.github.com>
Date: Fri, 19 Sep 2025 09:35:31 +0200
Subject: [PATCH 11/11] Improve Errors

---
 flixopt/flow_system.py | 8 +++++---
 pyproject.toml         | 1 +
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/flixopt/flow_system.py b/flixopt/flow_system.py
index 010199e62..d911b8e63 100644
--- a/flixopt/flow_system.py
+++ b/flixopt/flow_system.py
@@ -245,7 +245,7 @@ def plot_network(
 
     def start_network_app(self):
         """Visualizes the network structure of a FlowSystem using Dash, Cytoscape, and networkx.
-        Requires optional dependencies: dash, dash-cytoscape, networkx, werkzeug.
+        Requires optional dependencies: dash, dash-cytoscape, dash-daq, networkx, flask, werkzeug.
         """
         from .network_app import DASH_CYTOSCAPE_AVAILABLE, VISUALIZATION_ERROR, flow_graph, shownetwork
 
@@ -258,7 +258,8 @@ def start_network_app(self):
         if not DASH_CYTOSCAPE_AVAILABLE:
             raise ImportError(
                 f'Network visualization requires optional dependencies. '
-                f'Install with: pip install flixopt[network_viz], flixopt[full] or pip install dash dash_cytoscape networkx werkzeug. '
+                f'Install with: `pip install flixopt[network_viz]`, `pip install flixopt[full]` '
+                f'or: `pip install dash dash-cytoscape dash-daq networkx werkzeug`. '
                 f'Original error: {VISUALIZATION_ERROR}'
             )
 
@@ -278,7 +279,8 @@ def stop_network_app(self):
         if not DASH_CYTOSCAPE_AVAILABLE:
             raise ImportError(
                 f'Network visualization requires optional dependencies. '
-                f'Install with: pip install flixopt[network_viz]. '
+                f'Install with: `pip install flixopt[network_viz]`, `pip install flixopt[full]` '
+                f'or: `pip install dash dash-cytoscape dash-daq networkx werkzeug`. '
                 f'Original error: {VISUALIZATION_ERROR}'
             )
 
diff --git a/pyproject.toml b/pyproject.toml
index 45b37604d..b1c2461ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,6 +74,7 @@ full = [
     "dash-daq >= 0.6.0, < 1",  # Visualizing FlowSystem Network as app
     "networkx >= 3.0.0, < 4",  # Visualizing FlowSystem Network as app
     "werkzeug >= 3.0.0, < 4",  # Visualizing FlowSystem Network as app
+    "flask >= 3.0.0, < 4",  # Explicit Flask cap to prevent transitive major bumps
 ]
 
 # Development tools and testing