diff --git a/CfdOF/Solve/CfdSolverFoam.py b/CfdOF/Solve/CfdSolverFoam.py
index 01d27a30..83a574ab 100644
--- a/CfdOF/Solve/CfdSolverFoam.py
+++ b/CfdOF/Solve/CfdSolverFoam.py
@@ -153,6 +153,47 @@ def initProperties(self, obj):
             QT_TRANSLATE_NOOP("App::Property", "Global absolute solution convergence criterion"),
         )
 
+        addObjectProperty(
+            obj,
+            "RelaxationU",
+            0.7,
+            "App::PropertyFloat",
+            "Relaxation",
+            QT_TRANSLATE_NOOP("App::Property", "Velocity equation relaxation factor (steady-state)"),
+        )
+        addObjectProperty(
+            obj,
+            "RelaxationP",
+            0.3,
+            "App::PropertyFloat",
+            "Relaxation",
+            QT_TRANSLATE_NOOP("App::Property", "Pressure field relaxation factor (steady-state)"),
+        )
+        addObjectProperty(
+            obj,
+            "RelaxationH",
+            0.7,
+            "App::PropertyFloat",
+            "Relaxation",
+            QT_TRANSLATE_NOOP("App::Property", "Enthalpy equation relaxation factor (steady-state)"),
+        )
+        addObjectProperty(
+            obj,
+            "RelaxationTurbulence",
+            0.7,
+            "App::PropertyFloat",
+            "Relaxation",
+            QT_TRANSLATE_NOOP("App::Property", "Turbulence equations relaxation factor (steady-state)"),
+        )
+        addObjectProperty(
+            obj,
+            "RelaxationRho",
+            0.5,
+            "App::PropertyFloat",
+            "Relaxation",
+            QT_TRANSLATE_NOOP("App::Property", "Density field relaxation factor (steady-state)"),
+        )
+
         if addObjectProperty(
             obj,
             "StartFrom",
diff --git a/Data/Templates/case/system/fvSolution b/Data/Templates/case/system/fvSolution
index 4d3610cb..3cdeb80a 100644
--- a/Data/Templates/case/system/fvSolution
+++ b/Data/Templates/case/system/fvSolution
@@ -321,94 +321,92 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
 %{%(physics/Time%)
 %:Steady
     equations
     {
 %{%(solver/SolverName%)
 %:SRFSimpleFoam
-        Urel            0.7;
+        Urel            %(solver/RelaxationU%);
 %:default
-        U               0.7;
+        U               %(solver/RelaxationU%);
 %}
 %{%(solver/SolverName%)
 %:buoyantSimpleFoam
-        h               0.7;
+        h               %(solver/RelaxationH%);
 %}
 %{%(physics/Turbulence%)
 %:RANS DES
 %{%(physics/TurbulenceModel%)
 %:kOmegaSST kOmegaSSTDES kOmegaSSTDDES kOmegaSSTIDDES
-        k               0.7;
-        omega           0.7;
+        k               %(solver/RelaxationTurbulence%);
+        omega           %(solver/RelaxationTurbulence%);
 %:kEpsilon
-        k               0.7;
-        epsilon         0.7;
+        k               %(solver/RelaxationTurbulence%);
+        epsilon         %(solver/RelaxationTurbulence%);
 %:SpalartAllmaras SpalartAllmarasDES SpalartAllmarasDDES SpalartAllmarasIDDES
-        nuTilda         0.7;
+        nuTilda         %(solver/RelaxationTurbulence%);
 %:kOmegaSSTLM
-        k               0.7;
-        omega           0.7;
-        gammaInt        0.7;
-        ReThetat        0.7;
+        k               %(solver/RelaxationTurbulence%);
+        omega           %(solver/RelaxationTurbulence%);
+        gammaInt        %(solver/RelaxationTurbulence%);
+        ReThetat        %(solver/RelaxationTurbulence%);
 %}
 %}
 %{%(scalarTransportFunctionsEnabled%)
 %:True
 %{%(scalarTransportFunctions%)
-        %(scalarTransportFunctions/%(0%)/FieldName%) 0.7;
+        %(scalarTransportFunctions/%(0%)/FieldName%) %(solver/RelaxationU%);
 %}
 %}
     }
 
     fields
     {
-        p               0.3;
+        p               %(solver/RelaxationP%);
 %{%(solver/SolverName%)
 %:buoyantSimpleFoam
-        p_rgh           0.3;
-        rho             0.5;
+        p_rgh           %(solver/RelaxationP%);
+        rho             %(solver/RelaxationRho%);
 %}
     }
 %:Transient
     equations
     {
-        U               0.7;
+        U               %(solver/RelaxationU%);
         UFinal          1;
 %{%(solver/SolverName%)
 %:buoyantPimpleFoam
-        h               0.7;
+        h               %(solver/RelaxationH%);
         hFinal          1;
 %}
 %{%(physics/Turbulence%)
 %:RANS DES LES
 %{%(physics/TurbulenceModel%)
 %:kOmegaSST kOmegaSSTDES kOmegaSSTDDES kOmegaSSTIDDES
-        k               0.7;
+        k               %(solver/RelaxationTurbulence%);
         kFinal          1;
-        omega           0.7;
+        omega           %(solver/RelaxationTurbulence%);
         omegaFinal      1;
 %:kEpsilon
-        k               0.7;
+        k               %(solver/RelaxationTurbulence%);
         kFinal          1;
-        epsilon         0.7;
+        epsilon         %(solver/RelaxationTurbulence%);
         epsilonFinal    1;
 %:SpalartAllmaras SpalartAllmarasDES SpalartAllmarasDDES SpalartAllmarasIDDES
-        nuTilda         0.7;
+        nuTilda         %(solver/RelaxationTurbulence%);
         nuTildaFinal    1;
 %:kOmegaSSTLM
-        k               0.7;
+        k               %(solver/RelaxationTurbulence%);
         kFinal          1;
-        omega           0.7;
+        omega           %(solver/RelaxationTurbulence%);
         omegaFinal      1;
-        gammaInt        0.7;
+        gammaInt        %(solver/RelaxationTurbulence%);
         gammaIntFinal   1;
-        ReThetat        0.7;
+        ReThetat        %(solver/RelaxationTurbulence%);
         ReThetatFinal   1;
 %:kEqn
-        k               0.7;
+        k               %(solver/RelaxationTurbulence%);
         kFinal          1;
 %}
 %}
@@ -419,7 +417,7 @@ relaxationFactors
 %{%(scalarTransportFunctionsEnabled%)
 %:True
 %{%(scalarTransportFunctions%)
-        %(scalarTransportFunctions/%(0%)/FieldName%) 0.7;
+        %(scalarTransportFunctions/%(0%)/FieldName%) %(solver/RelaxationU%);
         %(scalarTransportFunctions/%(0%)/FieldName%)Final 1;
 %}
 %}
diff --git a/Data/TestFiles/cases/BatteryCooling/case/system/fvSolution b/Data/TestFiles/cases/BatteryCooling/case/system/fvSolution
index 80315ca6..29ded5c9 100644
--- a/Data/TestFiles/cases/BatteryCooling/case/system/fvSolution
+++ b/Data/TestFiles/cases/BatteryCooling/case/system/fvSolution
@@ -125,8 +125,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/Data/TestFiles/cases/DamBreak3D/case/system/fvSolution b/Data/TestFiles/cases/DamBreak3D/case/system/fvSolution
index bacb265f..9e14ca71 100644
--- a/Data/TestFiles/cases/DamBreak3D/case/system/fvSolution
+++ b/Data/TestFiles/cases/DamBreak3D/case/system/fvSolution
@@ -116,8 +116,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/Data/TestFiles/cases/Duct/case/system/fvSolution b/Data/TestFiles/cases/Duct/case/system/fvSolution
index 0895451a..63a62f56 100644
--- a/Data/TestFiles/cases/Duct/case/system/fvSolution
+++ b/Data/TestFiles/cases/Duct/case/system/fvSolution
@@ -93,8 +93,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/Data/TestFiles/cases/Elbow/case/system/fvSolution b/Data/TestFiles/cases/Elbow/case/system/fvSolution
index 0895451a..63a62f56 100644
--- a/Data/TestFiles/cases/Elbow/case/system/fvSolution
+++ b/Data/TestFiles/cases/Elbow/case/system/fvSolution
@@ -93,8 +93,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/Data/TestFiles/cases/LESStep/case/system/fvSolution b/Data/TestFiles/cases/LESStep/case/system/fvSolution
index cc4a64b4..cc06941d 100644
--- a/Data/TestFiles/cases/LESStep/case/system/fvSolution
+++ b/Data/TestFiles/cases/LESStep/case/system/fvSolution
@@ -119,8 +119,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/Data/TestFiles/cases/PeriodicBoundaryAndMeanVelocityForce/case/system/fvSolution b/Data/TestFiles/cases/PeriodicBoundaryAndMeanVelocityForce/case/system/fvSolution
index df084e75..8ea178bb 100644
--- a/Data/TestFiles/cases/PeriodicBoundaryAndMeanVelocityForce/case/system/fvSolution
+++ b/Data/TestFiles/cases/PeriodicBoundaryAndMeanVelocityForce/case/system/fvSolution
@@ -109,8 +109,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/Data/TestFiles/cases/Projectile/case/system/fvSolution b/Data/TestFiles/cases/Projectile/case/system/fvSolution
index bffec2ba..4c101dba 100644
--- a/Data/TestFiles/cases/Projectile/case/system/fvSolution
+++ b/Data/TestFiles/cases/Projectile/case/system/fvSolution
@@ -113,8 +113,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/Data/TestFiles/cases/Propeller/case/system/fvSolution b/Data/TestFiles/cases/Propeller/case/system/fvSolution
index 0308ea41..eaacb9d6 100644
--- a/Data/TestFiles/cases/Propeller/case/system/fvSolution
+++ b/Data/TestFiles/cases/Propeller/case/system/fvSolution
@@ -111,8 +111,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/Data/TestFiles/cases/UAV/case/system/fvSolution b/Data/TestFiles/cases/UAV/case/system/fvSolution
index df084e75..8ea178bb 100644
--- a/Data/TestFiles/cases/UAV/case/system/fvSolution
+++ b/Data/TestFiles/cases/UAV/case/system/fvSolution
@@ -109,8 +109,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/Data/TestFiles/cases/ViscousTubeBundle/case/system/fvSolution b/Data/TestFiles/cases/ViscousTubeBundle/case/system/fvSolution
index df084e75..8ea178bb 100644
--- a/Data/TestFiles/cases/ViscousTubeBundle/case/system/fvSolution
+++ b/Data/TestFiles/cases/ViscousTubeBundle/case/system/fvSolution
@@ -109,8 +109,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/Data/TestFiles/cases/block/case/system/fvSolution b/Data/TestFiles/cases/block/case/system/fvSolution
index 0895451a..63a62f56 100644
--- a/Data/TestFiles/cases/block/case/system/fvSolution
+++ b/Data/TestFiles/cases/block/case/system/fvSolution
@@ -93,8 +93,6 @@ solvers
 
 relaxationFactors
 {
-    // Conservative settings to solve reliably on bad
-    // meshes
     equations
     {
         U               0.7;
diff --git a/package.xml b/package.xml
index 0c4a4229..830e193e 100644
--- a/package.xml
+++ b/package.xml
@@ -11,8 +11,8 @@
     <!--[ Versions ]―――――――――――――――――――――――――――――――――――――――――――――――――――――――――-->
 
     <freecadmin>1.0.0</freecadmin>
-    <version>1.34.16</version>
-    <date>2026-04-16</date>
+    <version>1.34.18</version>
+    <date>2026-04-19</date>
 
     <!--[ Dependencies ]―――――――――――――――――――――――――――――――――――――――――――――――――――――-->