diff --git a/api/tacticalrmm/agents/models.py b/api/tacticalrmm/agents/models.py
index 8e1694a2..3e52bf44 100644
--- a/api/tacticalrmm/agents/models.py
+++ b/api/tacticalrmm/agents/models.py
@@ -18,7 +18,6 @@ from django.db import models
 from django.utils import timezone as djangotime
 from nats.aio.client import Client as NATS
 from nats.aio.errors import ErrTimeout
-from packaging import version as pyver
 
 from core.models import TZ_CHOICES, CoreSettings
 from logs.models import BaseAuditModel, DebugLog
@@ -345,7 +344,7 @@ class Agent(BaseAuditModel):
             },
         }
 
-        if history_pk != 0 and pyver.parse(self.version) >= pyver.parse("1.6.0"):
+        if history_pk != 0:
             data["id"] = history_pk
 
         running_agent = self
diff --git a/api/tacticalrmm/agents/tests.py b/api/tacticalrmm/agents/tests.py
index 0df5249a..44bf25bf 100644
--- a/api/tacticalrmm/agents/tests.py
+++ b/api/tacticalrmm/agents/tests.py
@@ -626,7 +626,7 @@ class TestAgentViews(TacticalTestCase):
     @patch("agents.tasks.run_script_email_results_task.delay")
     @patch("agents.models.Agent.run_script")
     def test_run_script(self, run_script, email_task):
-        from .models import AgentCustomField, Note
+        from .models import AgentCustomField, Note, AgentHistory
         from clients.models import ClientCustomField, SiteCustomField
 
         run_script.return_value = "ok"
@@ -643,8 +643,9 @@ class TestAgentViews(TacticalTestCase):
 
         r = self.client.post(url, data, format="json")
         self.assertEqual(r.status_code, 200)
+        hist = AgentHistory.objects.filter(agent=self.agent, script=script).last()
         run_script.assert_called_with(
-            scriptpk=script.pk, args=[], timeout=18, wait=True, history_pk=0
+            scriptpk=script.pk, args=[], timeout=18, wait=True, history_pk=hist.pk
         )
         run_script.reset_mock()
 
@@ -690,8 +691,9 @@ class TestAgentViews(TacticalTestCase):
 
         r = self.client.post(url, data, format="json")
         self.assertEqual(r.status_code, 200)
+        hist = AgentHistory.objects.filter(agent=self.agent, script=script).last()
         run_script.assert_called_with(
-            scriptpk=script.pk, args=["hello", "world"], timeout=25, history_pk=0
+            scriptpk=script.pk, args=["hello", "world"], timeout=25, history_pk=hist.pk
         )
         run_script.reset_mock()
 
@@ -710,12 +712,13 @@ class TestAgentViews(TacticalTestCase):
 
         r = self.client.post(url, data, format="json")
         self.assertEqual(r.status_code, 200)
+        hist = AgentHistory.objects.filter(agent=self.agent, script=script).last()
         run_script.assert_called_with(
             scriptpk=script.pk,
             args=["hello", "world"],
             timeout=25,
             wait=True,
-            history_pk=0,
+            history_pk=hist.pk,
         )
         run_script.reset_mock()
 
@@ -737,12 +740,13 @@ class TestAgentViews(TacticalTestCase):
 
         r = self.client.post(url, data, format="json")
         self.assertEqual(r.status_code, 200)
+        hist = AgentHistory.objects.filter(agent=self.agent, script=script).last()
         run_script.assert_called_with(
             scriptpk=script.pk,
             args=["hello", "world"],
             timeout=25,
             wait=True,
-            history_pk=0,
+            history_pk=hist.pk,
         )
         run_script.reset_mock()
 
@@ -766,12 +770,13 @@ class TestAgentViews(TacticalTestCase):
 
         r = self.client.post(url, data, format="json")
         self.assertEqual(r.status_code, 200)
+        hist = AgentHistory.objects.filter(agent=self.agent, script=script).last()
         run_script.assert_called_with(
             scriptpk=script.pk,
             args=["hello", "world"],
             timeout=25,
             wait=True,
-            history_pk=0,
+            history_pk=hist.pk,
         )
         run_script.reset_mock()
 
@@ -792,12 +797,13 @@ class TestAgentViews(TacticalTestCase):
 
         r = self.client.post(url, data, format="json")
         self.assertEqual(r.status_code, 200)
+        hist = AgentHistory.objects.filter(agent=self.agent, script=script).last()
         run_script.assert_called_with(
             scriptpk=script.pk,
             args=["hello", "world"],
             timeout=25,
             wait=True,
-            history_pk=0,
+            history_pk=hist.pk,
         )
         run_script.reset_mock()
 
diff --git a/api/tacticalrmm/agents/views.py b/api/tacticalrmm/agents/views.py
index 298e4cfd..eb41045d 100644
--- a/api/tacticalrmm/agents/views.py
+++ b/api/tacticalrmm/agents/views.py
@@ -335,14 +335,13 @@ def send_raw_cmd(request, agent_id):
         },
     }
 
-    if pyver.parse(agent.version) >= pyver.parse("1.6.0"):
-        hist = AgentHistory.objects.create(
-            agent=agent,
-            type="cmd_run",
-            command=request.data["cmd"],
-            username=request.user.username[:50],
-        )
-        data["id"] = hist.pk
+    hist = AgentHistory.objects.create(
+        agent=agent,
+        type="cmd_run",
+        command=request.data["cmd"],
+        username=request.user.username[:50],
+    )
+    data["id"] = hist.pk
 
     r = asyncio.run(agent.nats_cmd(data, timeout=timeout + 2))
 
@@ -613,15 +612,13 @@ def run_script(request, agent_id):
         debug_info={"ip": request._client_ip},
     )
 
-    history_pk = 0
-    if pyver.parse(agent.version) >= pyver.parse("1.6.0"):
-        hist = AgentHistory.objects.create(
-            agent=agent,
-            type="script_run",
-            script=script,
-            username=request.user.username[:50],
-        )
-        history_pk = hist.pk
+    hist = AgentHistory.objects.create(
+        agent=agent,
+        type="script_run",
+        script=script,
+        username=request.user.username[:50],
+    )
+    history_pk = hist.pk
 
     if output == "wait":
         r = agent.run_script(
diff --git a/api/tacticalrmm/apiv3/views.py b/api/tacticalrmm/apiv3/views.py
index 9c647312..9d308d87 100644
--- a/api/tacticalrmm/apiv3/views.py
+++ b/api/tacticalrmm/apiv3/views.py
@@ -153,14 +153,6 @@ class WinUpdates(APIView):
                 ).save()
 
         agent.delete_superseded_updates()
-
-        # more superseded updates cleanup
-        if pyver.parse(agent.version) <= pyver.parse("1.4.2"):
-            for u in agent.winupdates.filter(  # type: ignore
-                date_installed__isnull=True, result="failed"
-            ).exclude(installed=True):
-                u.delete()
-
         return Response("ok")
 
 
@@ -230,8 +222,6 @@ class CheckRunner(APIView):
 
     def patch(self, request):
         check = get_object_or_404(Check, pk=request.data["id"])
-        if pyver.parse(check.agent.version) < pyver.parse("1.5.7"):
-            return notify_error("unsupported")
 
         check.last_run = djangotime.now()
         check.save(update_fields=["last_run"])
diff --git a/api/tacticalrmm/autotasks/models.py b/api/tacticalrmm/autotasks/models.py
index f2bd5ed2..c7e649e3 100644
--- a/api/tacticalrmm/autotasks/models.py
+++ b/api/tacticalrmm/autotasks/models.py
@@ -484,9 +484,7 @@ class AutomatedTask(BaseAuditModel):
                     },
                 }
 
-                if self.run_asap_after_missed and pyver.parse(
-                    agent.version
-                ) >= pyver.parse("1.4.7"):
+                if self.run_asap_after_missed:
                     nats_data["schedtaskpayload"]["run_asap_after_missed"] = True
 
                 if self.remove_if_not_scheduled:
diff --git a/api/tacticalrmm/checks/tests.py b/api/tacticalrmm/checks/tests.py
index 851a5340..60cebc94 100644
--- a/api/tacticalrmm/checks/tests.py
+++ b/api/tacticalrmm/checks/tests.py
@@ -1,6 +1,7 @@
 from unittest.mock import patch
 
 from django.utils import timezone as djangotime
+from django.conf import settings
 from model_bakery import baker
 
 from checks.models import CheckHistory
@@ -215,13 +216,7 @@ class TestCheckViews(TacticalTestCase):
 
     @patch("agents.models.Agent.nats_cmd")
     def test_run_checks(self, nats_cmd):
-        agent = baker.make_recipe("agents.agent", version="1.4.1")
-        agent_b4_141 = baker.make_recipe("agents.agent", version="1.4.0")
-
-        url = f"{base_url}/{agent_b4_141.agent_id}/run/"
-        r = self.client.post(url)
-        self.assertEqual(r.status_code, 200)
-        nats_cmd.assert_called_with({"func": "runchecks"}, wait=False)
+        agent = baker.make_recipe("agents.agent", version=settings.LATEST_AGENT_VER)
 
         nats_cmd.reset_mock()
         nats_cmd.return_value = "busy"
diff --git a/api/tacticalrmm/checks/views.py b/api/tacticalrmm/checks/views.py
index 233dbc36..fbf6468a 100644
--- a/api/tacticalrmm/checks/views.py
+++ b/api/tacticalrmm/checks/views.py
@@ -4,7 +4,6 @@ from datetime import datetime as dt
 from django.db.models import Q
 from django.shortcuts import get_object_or_404
 from django.utils import timezone as djangotime
-from packaging import version as pyver
 from rest_framework.decorators import api_view, permission_classes
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
@@ -200,14 +199,10 @@ class GetCheckHistory(APIView):
 def run_checks(request, agent_id):
     agent = get_object_or_404(Agent, agent_id=agent_id)
 
-    if pyver.parse(agent.version) >= pyver.parse("1.4.1"):
-        r = asyncio.run(agent.nats_cmd({"func": "runchecks"}, timeout=15))
-        if r == "busy":
-            return notify_error(f"Checks are already running on {agent.hostname}")
-        elif r == "ok":
-            return Response(f"Checks will now be re-run on {agent.hostname}")
-        else:
-            return notify_error("Unable to contact the agent")
-    else:
-        asyncio.run(agent.nats_cmd({"func": "runchecks"}, wait=False))
+    r = asyncio.run(agent.nats_cmd({"func": "runchecks"}, timeout=15))
+    if r == "busy":
+        return notify_error(f"Checks are already running on {agent.hostname}")
+    elif r == "ok":
         return Response(f"Checks will now be re-run on {agent.hostname}")
+    else:
+        return notify_error("Unable to contact the agent")
diff --git a/api/tacticalrmm/scripts/tasks.py b/api/tacticalrmm/scripts/tasks.py
index 74b83bdb..d5663f62 100644
--- a/api/tacticalrmm/scripts/tasks.py
+++ b/api/tacticalrmm/scripts/tasks.py
@@ -1,6 +1,5 @@
 import asyncio
 
-from packaging import version as pyver
 
 from agents.models import Agent, AgentHistory
 from scripts.models import Script
@@ -20,14 +19,13 @@ def handle_bulk_command_task(
         },
     }
     for agent in Agent.objects.filter(pk__in=agentpks):
-        if pyver.parse(agent.version) >= pyver.parse("1.6.0"):
-            hist = AgentHistory.objects.create(
-                agent=agent,
-                type="cmd_run",
-                command=cmd,
-                username=username,
-            )
-            nats_data["id"] = hist.pk
+        hist = AgentHistory.objects.create(
+            agent=agent,
+            type="cmd_run",
+            command=cmd,
+            username=username,
+        )
+        nats_data["id"] = hist.pk
 
         asyncio.run(agent.nats_cmd(nats_data, wait=False))
 
@@ -36,15 +34,12 @@ def handle_bulk_command_task(
 def handle_bulk_script_task(scriptpk, agentpks, args, timeout, username) -> None:
     script = Script.objects.get(pk=scriptpk)
     for agent in Agent.objects.filter(pk__in=agentpks):
-        history_pk = 0
-        if pyver.parse(agent.version) >= pyver.parse("1.6.0"):
-            hist = AgentHistory.objects.create(
-                agent=agent,
-                type="script_run",
-                script=script,
-                username=username,
-            )
-            history_pk = hist.pk
-        agent.run_script(
-            scriptpk=script.pk, args=args, timeout=timeout, history_pk=history_pk
+        hist = AgentHistory.objects.create(
+            agent=agent,
+            type="script_run",
+            script=script,
+            username=username,
+        )
+        agent.run_script(
+            scriptpk=script.pk, args=args, timeout=timeout, history_pk=hist.pk
         )
diff --git a/api/tacticalrmm/software/views.py b/api/tacticalrmm/software/views.py
index 6e36f0b9..b4abaac7 100644
--- a/api/tacticalrmm/software/views.py
+++ b/api/tacticalrmm/software/views.py
@@ -2,7 +2,6 @@ import asyncio
 from typing import Any
 
 from django.shortcuts import get_object_or_404
-from packaging import version as pyver
 from rest_framework.decorators import api_view
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
@@ -42,9 +41,6 @@ class GetSoftware(APIView):
     # software install
     def post(self, request, agent_id):
         agent = get_object_or_404(Agent, agent_id=agent_id)
-        if pyver.parse(agent.version) < pyver.parse("1.4.8"):
-            return notify_error("Requires agent v1.4.8")
-
         name = request.data["name"]
 
         action = PendingAction.objects.create(