diff --git a/apiserver/apimodels/__init__.py b/apiserver/apimodels/__init__.py
index 590a00c..4cb4d3f 100644
--- a/apiserver/apimodels/__init__.py
+++ b/apiserver/apimodels/__init__.py
@@ -9,7 +9,8 @@ from jsonmodels import fields
 from jsonmodels.fields import _LazyType, NotSet
 from jsonmodels.models import Base as ModelBase
 from jsonmodels.validators import Enum as EnumValidator
-from luqum.parser import parser, ParseError
+from luqum.exceptions import ParseError
+from luqum.parser import parser
 from validators import email as email_validator, domain as domain_validator
 
 from apiserver.apierrors import errors
diff --git a/apiserver/apimodels/workers.py b/apiserver/apimodels/workers.py
index 2db1407..85b593d 100644
--- a/apiserver/apimodels/workers.py
+++ b/apiserver/apimodels/workers.py
@@ -176,28 +176,3 @@ class ActivityReportSeries(Base):
 class GetActivityReportResponse(Base):
     total = EmbeddedField(ActivityReportSeries)
     active = EmbeddedField(ActivityReportSeries)
-
-
-class RuntimeProperty(Base):
-    key = StringField()
-    value = StringField()
-    expiry = IntField(default=None)
-
-
-class GetRuntimePropertiesRequest(Base):
-    worker = StringField(required=True)
-
-
-class GetRuntimePropertiesResponse(Base):
-    runtime_properties = ListField(RuntimeProperty)
-
-
-class SetRuntimePropertiesRequest(Base):
-    worker = StringField(required=True)
-    runtime_properties = ListField(RuntimeProperty)
-
-
-class SetRuntimePropertiesResponse(Base):
-    added = ListField(str)
-    removed = ListField(str)
-    errors = ListField(str)
diff --git a/apiserver/bll/workers/__init__.py b/apiserver/bll/workers/__init__.py
index e384026..bd8a5c1 100644
--- a/apiserver/bll/workers/__init__.py
+++ b/apiserver/bll/workers/__init__.py
@@ -1,6 +1,6 @@
 import itertools
 from datetime import datetime, timedelta
-from typing import Sequence, Set, Optional, List
+from typing import Sequence, Set, Optional
 
 import attr
 import elasticsearch.helpers
@@ -16,7 +16,6 @@ from apiserver.apimodels.workers import (
     WorkerResponseEntry,
     QueueEntry,
     MachineStats,
-    RuntimeProperty,
 )
 from apiserver.config_repo import config
 from apiserver.database.errors import translate_errors_context
@@ -417,66 +416,6 @@ class WorkerBLL:
         added, errors = es_res[:2]
         return (added == len(actions)) and not errors
 
-    def set_runtime_properties(
-        self,
-        company: str,
-        user: str,
-        worker_id: str,
-        runtime_properties: List[RuntimeProperty],
-    ) -> dict:
-        """Save worker entry in Redis"""
-        res = {
-            "added": [],
-            "removed": [],
-            "errors": [],
-        }
-        for prop in runtime_properties:
-            try:
-                key = self._get_runtime_property_key(company, user, worker_id, prop.key)
-                if prop.expiry == 0:
-                    self.redis.delete(key)
-                    res["removed"].append(key)
-                else:
-                    self.redis.set(
-                        key,
-                        prop.value,
-                        ex=prop.expiry
-                    )
-                    res["added"].append(key)
-            except Exception as ex:
-                msg = f"Exception: {ex}\nFailed saving property '{prop.key}: {prop.value}', skipping"
-                log.exception(msg)
-                res["errors"].append(ex)
-        return res
-
-    def get_runtime_properties(
-        self,
-        company: str,
-        user: str,
-        worker_id: str,
-    ) -> List[RuntimeProperty]:
-        match = self._get_runtime_property_key(company, user, worker_id, "*")
-        with TimingContext("redis", "get_runtime_properties"):
-            res = self.redis.scan_iter(match=match)
-        runtime_properties = []
-        for r in res:
-            ttl = self.redis.ttl(r)
-            runtime_properties.append(
-                RuntimeProperty(
-                        key=r.decode()[len(match) - 1:],
-                        value=self.redis.get(r).decode(),
-                        expiry=ttl if ttl >= 0 else None
-                    )
-            )
-        return runtime_properties
-
-    def _get_runtime_property_key(
-        self, company: str, user: str, worker_id: str, prop_id: str
-    ) -> str:
-        """Build redis key from company, user, worker_id and prop_id"""
-        prefix = self._get_worker_key(company, user, worker_id)
-        return f"{prefix}_prop_{prop_id}"
-
 
 @attr.s(auto_attribs=True)
 class WorkerConversionHelper:
diff --git a/apiserver/database/model/task/task.py b/apiserver/database/model/task/task.py
index 0ec3142..630529e 100644
--- a/apiserver/database/model/task/task.py
+++ b/apiserver/database/model/task/task.py
@@ -51,13 +51,13 @@ class TaskSystemTags(object):
 
 
 class Script(EmbeddedDocument, ProperDictMixin):
-    binary = StringField(default="python")
-    repository = StringField(default="")
-    tag = StringField()
-    branch = StringField()
-    version_num = StringField()
-    entry_point = StringField(default="")
-    working_dir = StringField()
+    binary = StringField(default="python", strip=True)
+    repository = StringField(default="", strip=True)
+    tag = StringField(strip=True)
+    branch = StringField(strip=True)
+    version_num = StringField(strip=True)
+    entry_point = StringField(default="", strip=True)
+    working_dir = StringField(strip=True)
     requirements = SafeDictField()
     diff = StringField()
 
diff --git a/apiserver/mongo/migrations/0.16.2.py b/apiserver/mongo/migrations/0.16.2.py
new file mode 100644
index 0000000..28d977d
--- /dev/null
+++ b/apiserver/mongo/migrations/0.16.2.py
@@ -0,0 +1,19 @@
+from pymongo.database import Database, Collection
+
+from apiserver.bll.task.artifacts import get_artifact_id
+from apiserver.utilities.dicts import nested_get
+
+
+def migrate_backend(db: Database):
+    collection: Collection = db["task"]
+    artifacts_field = "execution.artifacts"
+    query = {artifacts_field: {"$type": 4}}
+    for doc in collection.find(filter=query, projection=(artifacts_field,)):
+        artifacts = nested_get(doc, artifacts_field.split("."))
+        if not isinstance(artifacts, list):
+            continue
+
+        new_artifacts = {get_artifact_id(a): a for a in artifacts}
+        collection.update_one(
+            {"_id": doc["_id"]}, {"$set": {artifacts_field: new_artifacts}}
+        )
diff --git a/apiserver/requirements.txt b/apiserver/requirements.txt
index 95f804c..bd1ce5d 100644
--- a/apiserver/requirements.txt
+++ b/apiserver/requirements.txt
@@ -14,7 +14,7 @@ humanfriendly==4.18
 Jinja2==2.10
 jsonmodels>=2.3
 jsonschema>=2.6.0
-luqum>=0.7.2
+luqum>=0.10.0
 mongoengine==0.19.1
 nested_dict>=1.61
 psutil>=5.6.5
diff --git a/apiserver/schema/services/server.conf b/apiserver/schema/services/server.conf
index b39c279..a467b96 100644
--- a/apiserver/schema/services/server.conf
+++ b/apiserver/schema/services/server.conf
@@ -112,6 +112,10 @@ report_stats_option {
         response {
             type: object
             properties {
+                supported {
+                    description: "Is this feature supported by the server"
+                    type: boolean
+                }
                 enabled {
                     description: "Returns the current report stats option value"
                     type: boolean
diff --git a/apiserver/schema/services/workers.conf b/apiserver/schema/services/workers.conf
index 8131a90..fc03f14 100644
--- a/apiserver/schema/services/workers.conf
+++ b/apiserver/schema/services/workers.conf
@@ -499,92 +499,4 @@
             }
         }
     }
-    get_runtime_properties {
-        "2.10" {
-            description: "Get runtime properties for a worker"
-            request {
-                required: [
-                    worker
-                ]
-                type: object
-                properties {
-                    worker {
-                        description: "Worker ID"
-                        type: string
-                    }
-                }
-            }
-            response {
-                type: object
-                properties {
-                    runtime_properties {
-                      type: array
-                      items {
-                        type: object
-                        properties {
-                            key { type: string }
-                            value { type: string }
-                            expiry {
-                                description: "Expiry (in seconds) for a runtime property"
-                                type: integer
-                            }
-                        }
-                      }
-                    }
-                }
-            }
-        }
-    }
-    set_runtime_properties {
-        "2.10" {
-            description: "Set runtime properties for a worker"
-            request {
-                required: [
-                    worker
-                    runtime_properties
-                ]
-                type: object
-                properties {
-                    worker {
-                        description: "Worker ID"
-                        type: string
-                    }
-                    runtime_properties {
-                        type: array
-                        items {
-                            type: object
-                            properties {
-                                key { type: string }
-                                value { type: string }
-                                expiry {
-                                    description: "Expiry (in seconds) for a runtime property. When set to null no expiry is set, when set to 0 the specified key is removed"
-                                    type: integer
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-            response {
-                type: object
-                properties {
-                    added {
-                        type: array
-                        description: "keys of runtime properties added to redis"
-                        items: { type: string }
-                    }
-                    removed {
-                        type: array
-                        description: "keys of runtime properties removed from redis"
-                        items: { type: string }
-                    }
-                    errors {
-                        type: array
-                        description: "errors for keys failed to be added to redis"
-                        items: { type: string }
-                    }
-                }
-            }
-        }
-    }
 }
\ No newline at end of file
diff --git a/apiserver/services/tasks.py b/apiserver/services/tasks.py
index b311f91..aaa8dc8 100644
--- a/apiserver/services/tasks.py
+++ b/apiserver/services/tasks.py
@@ -72,14 +72,14 @@ from apiserver.database.model.task.task import (
     DEFAULT_LAST_ITERATION,
     Execution,
 )
-from apiserver.database.utils import get_fields, parse_from_call
+from apiserver.database.utils import get_fields_attr, parse_from_call
 from apiserver.service_repo import APICall, endpoint
 from apiserver.services.utils import conform_tag_fields, conform_output_tags, validate_tags
 from apiserver.timing_context import TimingContext
 from apiserver.utilities.partial_version import PartialVersion
 
 task_fields = set(Task.get_fields())
-task_script_fields = set(get_fields(Script))
+task_script_stripped_fields = set([f for f, v in get_fields_attr(Script, 'strip').items() if v])
 
 task_bll = TaskBLL()
 event_bll = EventBLL()
@@ -287,7 +287,7 @@ def prepare_for_save(call: APICall, fields: dict, previous_task: Task = None):
     artifacts_prepare_for_save(fields)
 
     # Strip all script fields (remove leading and trailing whitespace chars) to avoid unusable names and paths
-    for field in task_script_fields:
+    for field in task_script_stripped_fields:
         try:
             path = f"script/{field}"
             value = dpath.get(fields, path)
diff --git a/apiserver/services/workers.py b/apiserver/services/workers.py
index 9e256f4..45fff0c 100644
--- a/apiserver/services/workers.py
+++ b/apiserver/services/workers.py
@@ -22,10 +22,6 @@ from apiserver.apimodels.workers import (
     GetActivityReportRequest,
     GetActivityReportResponse,
     ActivityReportSeries,
-    SetRuntimePropertiesRequest,
-    GetRuntimePropertiesRequest,
-    GetRuntimePropertiesResponse,
-    SetRuntimePropertiesResponse
 )
 from apiserver.bll.util import extract_properties_to_lists
 from apiserver.bll.workers import WorkerBLL
@@ -206,35 +202,3 @@ def get_stats(call: APICall, company_id, request: GetStatsRequest):
             for worker, stats in ret.items()
         ]
     )
-
-
-@endpoint(
-    "workers.set_runtime_properties",
-    min_version="2.10",
-    request_data_model=SetRuntimePropertiesRequest,
-    response_data_model=SetRuntimePropertiesResponse,
-)
-def set_runtime_properties(call: APICall, company_id, request: SetRuntimePropertiesRequest):
-    res = worker_bll.set_runtime_properties(
-        company=company_id,
-        user=call.identity.user,
-        worker_id=request.worker,
-        runtime_properties=request.runtime_properties,
-    )
-    return SetRuntimePropertiesResponse(added=res["added"], removed=res["removed"], errors=res["errors"])
-
-
-@endpoint(
-    "workers.get_runtime_properties",
-    min_version="2.10",
-    request_data_model=GetRuntimePropertiesRequest,
-    response_data_model=GetRuntimePropertiesResponse,
-)
-def get_runtime_properties(call: APICall, company_id, request: GetRuntimePropertiesRequest):
-    return GetRuntimePropertiesResponse(
-        runtime_properties=worker_bll.get_runtime_properties(
-            company=company_id,
-            user=call.identity.user,
-            worker_id=request.worker,
-        )
-    )