diff --git a/demo/beamline_config.yml b/demo/beamline_config.yml
index e48cc554b..6cc07670a 100644
--- a/demo/beamline_config.yml
+++ b/demo/beamline_config.yml
@@ -100,6 +100,7 @@ configuration:
       skip_existing_images: true
       take_snapshots: true
       sub_wedge_size: 10
+      disable_processing: false  # Not really needed (default is already false)
       # NB 'compression' not added as apparently never used
 
       helical:
diff --git a/poetry.lock b/poetry.lock
index d0cf38521..c352890ef 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -718,6 +718,18 @@ files = [
 docs = ["ipython", "matplotlib", "numpydoc", "sphinx"]
 tests = ["pytest", "pytest-cov", "pytest-xdist"]
 
+[[package]]
+name = "defusedxml"
+version = "0.7.1"
+description = "XML bomb protection for Python stdlib modules"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+groups = ["main"]
+files = [
+    {file = "defusedxml-0.7.1-py2.py3-none-any.whl", hash = "sha256:a352e7e428770286cc899e2542b6cdaedb2b4953ff269a210103ec58f6198a61"},
+    {file = "defusedxml-0.7.1.tar.gz", hash = "sha256:1bb3032db185915b62d7c6209c5a8792be6a32ab2fedacc84e01b52c51aa3e69"},
+]
+
 [[package]]
 name = "deprecated"
 version = "1.2.18"
@@ -2013,18 +2025,19 @@ websockets = ">=12.0,<13.0"
 
 [[package]]
 name = "mxcubecore"
-version = "1.269.0"
+version = "1.339.0"
 description = "Core libraries for the MXCuBE application"
 optional = false
 python-versions = "<3.12,>=3.10"
 groups = ["main"]
 files = [
-    {file = "mxcubecore-1.269.0-py3-none-any.whl", hash = "sha256:97f6ec4f4fd98cd0cfe6159088749323549ea148a66c89a55b087afa45b2482d"},
-    {file = "mxcubecore-1.269.0.tar.gz", hash = "sha256:0e38d892ddb059f9e90599f9a0d007ae94ca7d95c08454457090782d2ed0da02"},
+    {file = "mxcubecore-1.339.0-py3-none-any.whl", hash = "sha256:80a4929623ebc3e7e9709ac9e88a99cf9ec8889143e48e07669f176f8355741e"},
+    {file = "mxcubecore-1.339.0.tar.gz", hash = "sha256:f8094e824b14ec8508af3eb261d9453c42eb4a3f7a657bc48894f05de5f3d0a6"},
 ]
 
 [package.dependencies]
 colorama = ">=0.4.6,<0.5.0"
+defusedxml = "0.7.1"
 f90nml = "1.3.1"
 gevent = ">=23.9.1,<24.0.0"
 greenlet = ">=3.0.3,<4.0.0"
@@ -4062,4 +4075,4 @@ testing = ["coverage[toml]", "zope.event", "zope.testing"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<3.12"
-content-hash = "dc2def53fc94de26b70e638ddc8bfef77c815a30d73f6a20dedae84bd4c215dc"
+content-hash = "44e5f582871dedb0529c1aa0aab6c659f3f43bd9f279d66b13384a3e26aeba78"
diff --git a/pyproject.toml b/pyproject.toml
index 01ea72fd4..4102b0749 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ pydantic = ">=2.8.2,<2.9.0"
 PyDispatcher = "^2.0.6"
 pytz = "^2022.6"
 tzlocal = "^4.2"
-mxcubecore =  ">=1.269.0"
+mxcubecore =  ">=1.335.0"
 bcrypt = "^4.0.1"
 authlib = "^1.3.0"
 flask-limiter = "^3.12"
diff --git a/test/input_parameters.py b/test/input_parameters.py
index 8d3634ce0..404506456 100644
--- a/test/input_parameters.py
+++ b/test/input_parameters.py
@@ -128,6 +128,7 @@
         "detector_binning_mode": None,
         "detector_distance": 0.0,
         "detector_roi_mode": 0,
+        "disable_processing": False,
         "exp_time": 0.02,
         "experiment_type": "",
         "first_image": 1,
@@ -188,6 +189,7 @@
         "detector_distance": 0.0,
         "detector_roi_mode": 0,
         "determine_rad_params": False,
+        "disable_processing": False,
         "exp_time": 0.05,
         "experiment_type": "",
         "first_image": 1,
@@ -260,6 +262,7 @@
         "detector_binning_mode": None,
         "detector_distance": 0.0,
         "detector_roi_mode": 0,
+        "disable_processing": False,
         "exp_time": 10,
         "experiment_type": "",
         "first_image": 1,
@@ -312,6 +315,7 @@
         "detector_binning_mode": None,
         "detector_distance": 0.0,
         "detector_roi_mode": 0,
+        "disable_processing": False,
         "exp_time": 0.02,
         "experiment_type": "",
         "first_image": 1,
diff --git a/ui/src/components/Tasks/DataCollection.jsx b/ui/src/components/Tasks/DataCollection.jsx
index a841d1dd0..be850f1aa 100644
--- a/ui/src/components/Tasks/DataCollection.jsx
+++ b/ui/src/components/Tasks/DataCollection.jsx
@@ -293,46 +293,50 @@ class DataCollection extends React.Component {
             </CollapsableRows>
           </Form>
 
-          <FieldsHeader title="Processing" />
-          <CollapsableRows>
-            <Form>
-              <SelectField
-                col1="3"
-                col2="3"
-                propName="space_group"
-                label="Space group"
-                list={SPACE_GROUPS}
-              />
-              <Form.Label className="mb-2 mt-3">
-                <b> Unit Cell: </b>
-              </Form.Label>
-              <FieldsRow>
-                <InputField col1="1" col2="5" propName="cellA" label="a" />
-                <InputField col1="1" col2="5" propName="cellB" label="b" />
-                <InputField col1="1" col2="5" propName="cellC" label="c" />
-              </FieldsRow>
-              <FieldsRow>
-                <InputField
-                  col1="1"
-                  col2="5"
-                  propName="cellAlpha"
-                  label="&alpha;"
-                />
-                <InputField
-                  col1="1"
-                  col2="5"
-                  propName="cellBeta"
-                  label="&beta;"
-                />
-                <InputField
-                  col1="1"
-                  col2="5"
-                  propName="cellGamma"
-                  label="&gamma;"
-                />
-              </FieldsRow>
-            </Form>
-          </CollapsableRows>
+          {!this.props.initialValues.disable_processing && (
+            <div>
+              <FieldsHeader title="Processing" />
+              <CollapsableRows>
+                <Form>
+                  <SelectField
+                    col1="3"
+                    col2="3"
+                    propName="space_group"
+                    label="Space group"
+                    list={SPACE_GROUPS}
+                  />
+                  <Form.Label className="mb-2 mt-3">
+                    <b> Unit Cell: </b>
+                  </Form.Label>
+                  <FieldsRow>
+                    <InputField col1="1" col2="5" propName="cellA" label="a" />
+                    <InputField col1="1" col2="5" propName="cellB" label="b" />
+                    <InputField col1="1" col2="5" propName="cellC" label="c" />
+                  </FieldsRow>
+                  <FieldsRow>
+                    <InputField
+                      col1="1"
+                      col2="5"
+                      propName="cellAlpha"
+                      label="&alpha;"
+                    />
+                    <InputField
+                      col1="1"
+                      col2="5"
+                      propName="cellBeta"
+                      label="&beta;"
+                    />
+                    <InputField
+                      col1="1"
+                      col2="5"
+                      propName="cellGamma"
+                      label="&gamma;"
+                    />
+                  </FieldsRow>
+                </Form>
+              </CollapsableRows>
+            </div>
+          )}
         </Modal.Body>
 
         {this.props.taskData.state ? '' : this.showFooter()}
diff --git a/ui/src/components/Tasks/Helical.jsx b/ui/src/components/Tasks/Helical.jsx
index 5be5f2ed5..61c60f615 100644
--- a/ui/src/components/Tasks/Helical.jsx
+++ b/ui/src/components/Tasks/Helical.jsx
@@ -187,46 +187,50 @@ class Helical extends React.Component {
             </CollapsableRows>
           </Form>
 
-          <FieldsHeader title="Processing" />
-          <CollapsableRows>
-            <Form>
-              <SelectField
-                col1="3"
-                col2="3"
-                propName="space_group"
-                label="Space group"
-                list={SPACE_GROUPS}
-              />
-              <Form.Label className="mb-2 mt-3">
-                <b> Unit Cell: </b>
-              </Form.Label>
-              <FieldsRow>
-                <InputField col1="1" col2="5" propName="cellA" label="a" />
-                <InputField col1="1" col2="5" propName="cellB" label="b" />
-                <InputField col1="1" col2="5" propName="cellC" label="c" />
-              </FieldsRow>
-              <FieldsRow>
-                <InputField
-                  col1="1"
-                  col2="5"
-                  propName="cellAlpha"
-                  label="&alpha;"
-                />
-                <InputField
-                  col1="1"
-                  col2="5"
-                  propName="cellBeta"
-                  label="&beta;"
-                />
-                <InputField
-                  col1="1"
-                  col2="5"
-                  propName="cellGamma"
-                  label="&gamma;"
-                />
-              </FieldsRow>
-            </Form>
-          </CollapsableRows>
+          {!this.props.initialValues.disable_processing && (
+            <div>
+              <FieldsHeader title="Processing" />
+              <CollapsableRows>
+                <Form>
+                  <SelectField
+                    col1="3"
+                    col2="3"
+                    propName="space_group"
+                    label="Space group"
+                    list={SPACE_GROUPS}
+                  />
+                  <Form.Label className="mb-2 mt-3">
+                    <b> Unit Cell: </b>
+                  </Form.Label>
+                  <FieldsRow>
+                    <InputField col1="1" col2="5" propName="cellA" label="a" />
+                    <InputField col1="1" col2="5" propName="cellB" label="b" />
+                    <InputField col1="1" col2="5" propName="cellC" label="c" />
+                  </FieldsRow>
+                  <FieldsRow>
+                    <InputField
+                      col1="1"
+                      col2="5"
+                      propName="cellAlpha"
+                      label="&alpha;"
+                    />
+                    <InputField
+                      col1="1"
+                      col2="5"
+                      propName="cellBeta"
+                      label="&beta;"
+                    />
+                    <InputField
+                      col1="1"
+                      col2="5"
+                      propName="cellGamma"
+                      label="&gamma;"
+                    />
+                  </FieldsRow>
+                </Form>
+              </CollapsableRows>
+            </div>
+          )}
         </Modal.Body>
         {this.props.taskData.state ? (
           ''
diff --git a/ui/src/components/Tasks/Mesh.jsx b/ui/src/components/Tasks/Mesh.jsx
index a2ffa7e1d..8091d92b0 100644
--- a/ui/src/components/Tasks/Mesh.jsx
+++ b/ui/src/components/Tasks/Mesh.jsx
@@ -196,46 +196,50 @@ class Mesh extends React.Component {
             </CollapsableRows>
           </Form>
 
-          <FieldsHeader title="Processing" />
-          <CollapsableRows>
-            <Form>
-              <SelectField
-                col1="3"
-                col2="3"
-                propName="space_group"
-                label="Space group"
-                list={SPACE_GROUPS}
-              />
-              <Form.Label className="mb-2 mt-3">
-                <b> Unit Cell: </b>
-              </Form.Label>
-              <FieldsRow>
-                <InputField col1="1" col2="5" propName="cellA" label="a" />
-                <InputField col1="1" col2="5" propName="cellB" label="b" />
-                <InputField col1="1" col2="5" propName="cellC" label="c" />
-              </FieldsRow>
-              <FieldsRow>
-                <InputField
-                  col1="1"
-                  col2="5"
-                  propName="cellAlpha"
-                  label="&alpha;"
-                />
-                <InputField
-                  col1="1"
-                  col2="5"
-                  propName="cellBeta"
-                  label="&beta;"
-                />
-                <InputField
-                  col1="1"
-                  col2="5"
-                  propName="cellGamma"
-                  label="&gamma;"
-                />
-              </FieldsRow>
-            </Form>
-          </CollapsableRows>
+          {!this.props.initialValues.disable_processing && (
+            <div>
+              <FieldsHeader title="Processing" />
+              <CollapsableRows>
+                <Form>
+                  <SelectField
+                    col1="3"
+                    col2="3"
+                    propName="space_group"
+                    label="Space group"
+                    list={SPACE_GROUPS}
+                  />
+                  <Form.Label className="mb-2 mt-3">
+                    <b> Unit Cell: </b>
+                  </Form.Label>
+                  <FieldsRow>
+                    <InputField col1="1" col2="5" propName="cellA" label="a" />
+                    <InputField col1="1" col2="5" propName="cellB" label="b" />
+                    <InputField col1="1" col2="5" propName="cellC" label="c" />
+                  </FieldsRow>
+                  <FieldsRow>
+                    <InputField
+                      col1="1"
+                      col2="5"
+                      propName="cellAlpha"
+                      label="&alpha;"
+                    />
+                    <InputField
+                      col1="1"
+                      col2="5"
+                      propName="cellBeta"
+                      label="&beta;"
+                    />
+                    <InputField
+                      col1="1"
+                      col2="5"
+                      propName="cellGamma"
+                      label="&gamma;"
+                    />
+                  </FieldsRow>
+                </Form>
+              </CollapsableRows>
+            </div>
+          )}
         </Modal.Body>
         {this.props.taskData.state ? (
           ''