diff --git a/apiserver/plane/settings/common.py b/apiserver/plane/settings/common.py
index 91cbac37e..937ff0c2a 100644
--- a/apiserver/plane/settings/common.py
+++ b/apiserver/plane/settings/common.py
@@ -276,8 +276,6 @@ CELERY_IMPORTS = (
     "plane.bgtasks.api_logs_task",
     # management tasks
     "plane.bgtasks.dummy_data_task",
-    # backfill tasks
-    "plane.db.backfills.backfill_0070_page_versions",
 )
 
 # Sentry Settings
diff --git a/web/core/components/issues/issue-detail-widgets/action-buttons.tsx b/web/core/components/issues/issue-detail-widgets/action-buttons.tsx
index 270872350..e69aecae3 100644
--- a/web/core/components/issues/issue-detail-widgets/action-buttons.tsx
+++ b/web/core/components/issues/issue-detail-widgets/action-buttons.tsx
@@ -22,8 +22,6 @@ export const IssueDetailWidgetActionButtons: FC<Props> = (props) => {
   return (
     <div className="flex items-center flex-wrap gap-2">
       <SubIssuesActionButton
-        workspaceSlug={workspaceSlug}
-        projectId={projectId}
         issueId={issueId}
         disabled={disabled}
         customButton={
@@ -34,8 +32,6 @@ export const IssueDetailWidgetActionButtons: FC<Props> = (props) => {
         }
       />
       <RelationActionButton
-        workspaceSlug={workspaceSlug}
-        projectId={projectId}
         issueId={issueId}
         customButton={
           <IssueDetailWidgetButton
@@ -45,9 +41,6 @@ export const IssueDetailWidgetActionButtons: FC<Props> = (props) => {
         }
       />
       <IssueLinksActionButton
-        workspaceSlug={workspaceSlug}
-        projectId={projectId}
-        issueId={issueId}
         customButton={
           <IssueDetailWidgetButton
             title="Add Links"
diff --git a/web/core/components/issues/issue-detail-widgets/attachments/root.tsx b/web/core/components/issues/issue-detail-widgets/attachments/root.tsx
index 3c7529cec..f529e7a31 100644
--- a/web/core/components/issues/issue-detail-widgets/attachments/root.tsx
+++ b/web/core/components/issues/issue-detail-widgets/attachments/root.tsx
@@ -20,15 +20,15 @@ type Props = {
 export const AttachmentsCollapsible: FC<Props> = observer((props) => {
   const { workspaceSlug, projectId, issueId, disabled = false } = props;
   // store hooks
-  const { activeIssueDetailWidgets, toggleActiveIssueDetailWidget } = useIssueDetail();
+  const { openWidgets, toggleOpenWidget } = useIssueDetail();
 
   // derived values
-  const isCollapsibleOpen = activeIssueDetailWidgets.includes("attachments");
+  const isCollapsibleOpen = openWidgets.includes("attachments");
 
   return (
     <Collapsible
       isOpen={isCollapsibleOpen}
-      onToggle={() => toggleActiveIssueDetailWidget("attachments")}
+      onToggle={() => toggleOpenWidget("attachments")}
       title={
         <IssueAttachmentsCollapsibleTitle
           isOpen={isCollapsibleOpen}
diff --git a/web/core/components/issues/issue-detail-widgets/index.ts b/web/core/components/issues/issue-detail-widgets/index.ts
index f3dffa97e..a3559aec8 100644
--- a/web/core/components/issues/issue-detail-widgets/index.ts
+++ b/web/core/components/issues/issue-detail-widgets/index.ts
@@ -6,3 +6,4 @@ export * from "./sub-issues";
 export * from "./widget-button";
 export * from "./issue-detail-widget-collapsibles";
 export * from "./action-buttons";
+export * from "./issue-detail-widget-modals";
diff --git a/web/core/components/issues/issue-detail-widgets/issue-detail-widget-modals.tsx b/web/core/components/issues/issue-detail-widgets/issue-detail-widget-modals.tsx
new file mode 100644
index 000000000..42bf809b1
--- /dev/null
+++ b/web/core/components/issues/issue-detail-widgets/issue-detail-widget-modals.tsx
@@ -0,0 +1,178 @@
+import React, { FC } from "react";
+import { observer } from "mobx-react";
+import { ISearchIssueResponse, TIssue } from "@plane/types";
+import { setToast, TOAST_TYPE } from "@plane/ui";
+// components
+import { ExistingIssuesListModal } from "@/components/core";
+import { CreateUpdateIssueModal } from "@/components/issues/issue-modal";
+// hooks
+import { useIssueDetail } from "@/hooks/store";
+
+import { IssueLinkCreateUpdateModal } from "../issue-detail/links/create-update-link-modal";
+// helpers
+import { useLinkOperations } from "./links/helper";
+import { useSubIssueOperations } from "./sub-issues/helper";
+
+type Props = {
+  workspaceSlug: string;
+  projectId: string;
+  issueId: string;
+};
+
+export const IssueDetailWidgetModals: FC<Props> = observer((props) => {
+  const { workspaceSlug, projectId, issueId } = props;
+  // store hooks
+  const {
+    isIssueLinkModalOpen,
+    toggleIssueLinkModal: toggleIssueLinkModalStore,
+    isCreateIssueModalOpen,
+    toggleCreateIssueModal,
+    isSubIssuesModalOpen,
+    toggleSubIssuesModal,
+    relationKey,
+    isRelationModalOpen,
+    setRelationKey,
+    setLastWidgetAction,
+    toggleRelationModal,
+    createRelation,
+    issueCrudOperationState,
+    setIssueCrudOperationState,
+  } = useIssueDetail();
+
+  // helper hooks
+  const subIssueOperations = useSubIssueOperations();
+  const handleLinkOperations = useLinkOperations(workspaceSlug, projectId, issueId);
+
+  // handlers
+  const handleIssueCrudState = (
+    key: "create" | "existing",
+    _parentIssueId: string | null,
+    issue: TIssue | null = null
+  ) => {
+    setIssueCrudOperationState({
+      ...issueCrudOperationState,
+      [key]: {
+        toggle: !issueCrudOperationState[key].toggle,
+        parentIssueId: _parentIssueId,
+        issue: issue,
+      },
+    });
+  };
+
+  const handleExistingIssuesModalClose = () => {
+    handleIssueCrudState("existing", null, null);
+    setLastWidgetAction("sub-issues");
+    toggleSubIssuesModal(null);
+  };
+
+  const handleExistingIssuesModalOnSubmit = async (_issue: ISearchIssueResponse[]) =>
+    subIssueOperations.addSubIssue(
+      workspaceSlug,
+      projectId,
+      issueId,
+      _issue.map((issue) => issue.id)
+    );
+
+  const handleCreateUpdateModalClose = () => {
+    handleIssueCrudState("create", null, null);
+    toggleCreateIssueModal(false);
+    setLastWidgetAction("sub-issues");
+  };
+
+  const handleCreateUpdateModalOnSubmit = async (_issue: TIssue) => {
+    if (_issue.parent_id) {
+      await subIssueOperations.addSubIssue(workspaceSlug, projectId, issueId, [_issue.id]);
+    }
+  };
+
+  const handleIssueLinkModalOnClose = () => {
+    toggleIssueLinkModalStore(false);
+    setLastWidgetAction("links");
+  };
+
+  const handleRelationOnClose = () => {
+    setRelationKey(null);
+    toggleRelationModal(null, null);
+    setLastWidgetAction("relations");
+  };
+
+  const handleExistingIssueModalOnSubmit = async (data: ISearchIssueResponse[]) => {
+    if (!relationKey) return;
+    if (data.length === 0) {
+      setToast({
+        type: TOAST_TYPE.ERROR,
+        title: "Error!",
+        message: "Please select at least one issue.",
+      });
+      return;
+    }
+
+    await createRelation(
+      workspaceSlug,
+      projectId,
+      issueId,
+      relationKey,
+      data.map((i) => i.id)
+    );
+
+    toggleRelationModal(null, null);
+  };
+
+  // helpers
+  const createUpdateModalData = { parent_id: issueCrudOperationState?.create?.parentIssueId };
+
+  const existingIssuesModalSearchParams = {
+    sub_issue: true,
+    issue_id: issueCrudOperationState?.existing?.parentIssueId,
+  };
+
+  // render conditions
+  const shouldRenderExistingIssuesModal =
+    issueCrudOperationState?.existing?.toggle &&
+    issueCrudOperationState?.existing?.parentIssueId &&
+    isSubIssuesModalOpen;
+
+  const shouldRenderCreateUpdateModal =
+    issueCrudOperationState?.create?.toggle && issueCrudOperationState?.create?.parentIssueId && isCreateIssueModalOpen;
+
+  return (
+    <>
+      <IssueLinkCreateUpdateModal
+        isModalOpen={isIssueLinkModalOpen}
+        handleOnClose={handleIssueLinkModalOnClose}
+        linkOperations={handleLinkOperations}
+      />
+
+      {shouldRenderCreateUpdateModal && (
+        <CreateUpdateIssueModal
+          isOpen={issueCrudOperationState?.create?.toggle}
+          data={createUpdateModalData}
+          onClose={handleCreateUpdateModalClose}
+          onSubmit={handleCreateUpdateModalOnSubmit}
+        />
+      )}
+
+      {shouldRenderExistingIssuesModal && (
+        <ExistingIssuesListModal
+          workspaceSlug={workspaceSlug}
+          projectId={projectId}
+          isOpen={issueCrudOperationState?.existing?.toggle}
+          handleClose={handleExistingIssuesModalClose}
+          searchParams={existingIssuesModalSearchParams}
+          handleOnSubmit={handleExistingIssuesModalOnSubmit}
+          workspaceLevelToggle
+        />
+      )}
+
+      <ExistingIssuesListModal
+        workspaceSlug={workspaceSlug}
+        projectId={projectId}
+        isOpen={isRelationModalOpen?.issueId === issueId && isRelationModalOpen?.relationType === relationKey}
+        handleClose={handleRelationOnClose}
+        searchParams={{ issue_relation: true, issue_id: issueId }}
+        handleOnSubmit={handleExistingIssueModalOnSubmit}
+        workspaceLevelToggle
+      />
+    </>
+  );
+});
diff --git a/web/core/components/issues/issue-detail-widgets/links/quick-action-button.tsx b/web/core/components/issues/issue-detail-widgets/links/quick-action-button.tsx
index 981005d78..f9a59dd3a 100644
--- a/web/core/components/issues/issue-detail-widgets/links/quick-action-button.tsx
+++ b/web/core/components/issues/issue-detail-widgets/links/quick-action-button.tsx
@@ -1,63 +1,30 @@
 "use client";
-import React, { FC, useCallback, useState } from "react";
+import React, { FC } from "react";
 import { observer } from "mobx-react";
 import { Plus } from "lucide-react";
 // hooks
 import { useIssueDetail } from "@/hooks/store";
-// components
-import { IssueLinkCreateUpdateModal } from "../../issue-detail/links/create-update-link-modal";
-// helper
-import { useLinkOperations } from "./helper";
 
 type Props = {
-  workspaceSlug: string;
-  projectId: string;
-  issueId: string;
   customButton?: React.ReactNode;
   disabled?: boolean;
 };
 
 export const IssueLinksActionButton: FC<Props> = observer((props) => {
-  const { workspaceSlug, projectId, issueId, customButton, disabled = false } = props;
-  // state
-  const [isIssueLinkModal, setIsIssueLinkModal] = useState(false);
-
+  const { customButton, disabled = false } = props;
   // store hooks
-  const { toggleIssueLinkModal: toggleIssueLinkModalStore, setLastWidgetAction } = useIssueDetail();
-
-  // helper
-  const handleLinkOperations = useLinkOperations(workspaceSlug, projectId, issueId);
-
-  // handler
-  const toggleIssueLinkModal = useCallback(
-    (modalToggle: boolean) => {
-      toggleIssueLinkModalStore(modalToggle);
-      setIsIssueLinkModal(modalToggle);
-    },
-    [toggleIssueLinkModalStore]
-  );
+  const { toggleIssueLinkModal } = useIssueDetail();
 
+  // handlers
   const handleOnClick = (e: React.MouseEvent<HTMLButtonElement, MouseEvent>) => {
     e.preventDefault();
     e.stopPropagation();
     toggleIssueLinkModal(true);
   };
 
-  const handleOnClose = () => {
-    toggleIssueLinkModal(false);
-    setLastWidgetAction("links");
-  };
-
   return (
-    <>
-      <IssueLinkCreateUpdateModal
-        isModalOpen={isIssueLinkModal}
-        handleOnClose={handleOnClose}
-        linkOperations={handleLinkOperations}
-      />
-      <button type="button" onClick={handleOnClick} disabled={disabled}>
-        {customButton ? customButton : <Plus className="h-4 w-4" />}
-      </button>
-    </>
+    <button type="button" onClick={handleOnClick} disabled={disabled}>
+      {customButton ? customButton : <Plus className="h-4 w-4" />}
+    </button>
   );
 });
diff --git a/web/core/components/issues/issue-detail-widgets/links/root.tsx b/web/core/components/issues/issue-detail-widgets/links/root.tsx
index e608cf6be..0f1eee4bb 100644
--- a/web/core/components/issues/issue-detail-widgets/links/root.tsx
+++ b/web/core/components/issues/issue-detail-widgets/links/root.tsx
@@ -17,24 +17,16 @@ type Props = {
 export const LinksCollapsible: FC<Props> = observer((props) => {
   const { workspaceSlug, projectId, issueId, disabled = false } = props;
   // store hooks
-  const { activeIssueDetailWidgets, toggleActiveIssueDetailWidget } = useIssueDetail();
+  const { openWidgets, toggleOpenWidget } = useIssueDetail();
 
   // derived values
-  const isCollapsibleOpen = activeIssueDetailWidgets.includes("links");
+  const isCollapsibleOpen = openWidgets.includes("links");
 
   return (
     <Collapsible
       isOpen={isCollapsibleOpen}
-      onToggle={() => toggleActiveIssueDetailWidget("links")}
-      title={
-        <IssueLinksCollapsibleTitle
-          isOpen={isCollapsibleOpen}
-          workspaceSlug={workspaceSlug}
-          projectId={projectId}
-          issueId={issueId}
-          disabled={disabled}
-        />
-      }
+      onToggle={() => toggleOpenWidget("links")}
+      title={<IssueLinksCollapsibleTitle isOpen={isCollapsibleOpen} issueId={issueId} disabled={disabled} />}
     >
       <IssueLinksCollapsibleContent
         workspaceSlug={workspaceSlug}
diff --git a/web/core/components/issues/issue-detail-widgets/links/title.tsx b/web/core/components/issues/issue-detail-widgets/links/title.tsx
index 6625cdead..a15406020 100644
--- a/web/core/components/issues/issue-detail-widgets/links/title.tsx
+++ b/web/core/components/issues/issue-detail-widgets/links/title.tsx
@@ -9,14 +9,12 @@ import { useIssueDetail } from "@/hooks/store";
 
 type Props = {
   isOpen: boolean;
-  workspaceSlug: string;
-  projectId: string;
   issueId: string;
   disabled: boolean;
 };
 
 export const IssueLinksCollapsibleTitle: FC<Props> = observer((props) => {
-  const { isOpen, workspaceSlug, projectId, issueId, disabled } = props;
+  const { isOpen, issueId, disabled } = props;
   // store hooks
   const {
     issue: { getIssueById },
@@ -42,14 +40,7 @@ export const IssueLinksCollapsibleTitle: FC<Props> = observer((props) => {
       isOpen={isOpen}
       title="Links"
       indicatorElement={indicatorElement}
-      actionItemElement={
-        <IssueLinksActionButton
-          workspaceSlug={workspaceSlug}
-          projectId={projectId}
-          issueId={issueId}
-          disabled={disabled}
-        />
-      }
+      actionItemElement={<IssueLinksActionButton disabled={disabled} />}
     />
   );
 });
diff --git a/web/core/components/issues/issue-detail-widgets/relations/quick-action-button.tsx b/web/core/components/issues/issue-detail-widgets/relations/quick-action-button.tsx
index 2d5886383..67161ecbd 100644
--- a/web/core/components/issues/issue-detail-widgets/relations/quick-action-button.tsx
+++ b/web/core/components/issues/issue-detail-widgets/relations/quick-action-button.tsx
@@ -1,30 +1,24 @@
 "use client";
-import React, { FC, useState } from "react";
+import React, { FC } from "react";
 import { observer } from "mobx-react";
 import { Plus } from "lucide-react";
-import { ISearchIssueResponse, TIssueRelationTypes } from "@plane/types";
-import { CustomMenu, TOAST_TYPE, setToast } from "@plane/ui";
-// components
-import { ExistingIssuesListModal } from "@/components/core";
+import { TIssueRelationTypes } from "@plane/types";
+import { CustomMenu } from "@plane/ui";
 // hooks
 import { useIssueDetail } from "@/hooks/store";
 // helper
 import { ISSUE_RELATION_OPTIONS } from "./helper";
 
 type Props = {
-  workspaceSlug: string;
-  projectId: string;
   issueId: string;
   customButton?: React.ReactNode;
   disabled?: boolean;
 };
 
 export const RelationActionButton: FC<Props> = observer((props) => {
-  const { workspaceSlug, projectId, customButton, issueId, disabled = false } = props;
-  // state
-  const [relationKey, setRelationKey] = useState<TIssueRelationTypes | null>(null);
+  const { customButton, issueId, disabled = false } = props;
   // store hooks
-  const { createRelation, isRelationModalOpen, toggleRelationModal, setLastWidgetAction } = useIssueDetail();
+  const { toggleRelationModal, setRelationKey } = useIssueDetail();
 
   // handlers
   const handleOnClick = (relationKey: TIssueRelationTypes) => {
@@ -32,67 +26,26 @@ export const RelationActionButton: FC<Props> = observer((props) => {
     toggleRelationModal(issueId, relationKey);
   };
 
-  // submit handler
-  const onSubmit = async (data: ISearchIssueResponse[]) => {
-    if (!relationKey) return;
-    if (data.length === 0) {
-      setToast({
-        type: TOAST_TYPE.ERROR,
-        title: "Error!",
-        message: "Please select at least one issue.",
-      });
-      return;
-    }
-
-    await createRelation(
-      workspaceSlug,
-      projectId,
-      issueId,
-      relationKey,
-      data.map((i) => i.id)
-    );
-
-    toggleRelationModal(null, null);
-  };
-
-  const handleOnClose = () => {
-    setRelationKey(null);
-    toggleRelationModal(null, null);
-    setLastWidgetAction("relations");
-  };
-
   // button element
   const customButtonElement = customButton ? <>{customButton}</> : <Plus className="h-4 w-4" />;
 
   return (
-    <>
-      <CustomMenu customButton={customButtonElement} placement="bottom-start" disabled={disabled} closeOnSelect>
-        {ISSUE_RELATION_OPTIONS.map((item, index) => (
-          <CustomMenu.MenuItem
-            key={index}
-            onClick={(e) => {
-              e.preventDefault();
-              e.stopPropagation();
-              handleOnClick(item.key as TIssueRelationTypes);
-            }}
-          >
-            <div className="flex items-center gap-2">
-              {item.icon(12)}
-              <span>{item.label}</span>
-            </div>
-          </CustomMenu.MenuItem>
-        ))}
-      </CustomMenu>
-
-      <ExistingIssuesListModal
-        workspaceSlug={workspaceSlug}
-        projectId={projectId}
-        isOpen={isRelationModalOpen?.issueId === issueId && isRelationModalOpen?.relationType === relationKey}
-        handleClose={handleOnClose}
-        searchParams={{ issue_relation: true, issue_id: issueId }}
-        handleOnSubmit={onSubmit}
-        workspaceLevelToggle
-      />
-    </>
+    <CustomMenu customButton={customButtonElement} placement="bottom-start" disabled={disabled} closeOnSelect>
+      {ISSUE_RELATION_OPTIONS.map((item, index) => (
+        <CustomMenu.MenuItem
+          key={index}
+          onClick={(e) => {
+            e.preventDefault();
+            e.stopPropagation();
+            handleOnClick(item.key as TIssueRelationTypes);
+          }}
+        >
+          <div className="flex items-center gap-2">
+            {item.icon(12)}
+            <span>{item.label}</span>
+          </div>
+        </CustomMenu.MenuItem>
+      ))}
+    </CustomMenu>
   );
 });
diff --git a/web/core/components/issues/issue-detail-widgets/relations/root.tsx b/web/core/components/issues/issue-detail-widgets/relations/root.tsx
index 7e2469d87..4a1e4138e 100644
--- a/web/core/components/issues/issue-detail-widgets/relations/root.tsx
+++ b/web/core/components/issues/issue-detail-widgets/relations/root.tsx
@@ -17,24 +17,16 @@ type Props = {
 export const RelationsCollapsible: FC<Props> = observer((props) => {
   const { workspaceSlug, projectId, issueId, disabled = false } = props;
   // store hooks
-  const { activeIssueDetailWidgets, toggleActiveIssueDetailWidget } = useIssueDetail();
+  const { openWidgets, toggleOpenWidget } = useIssueDetail();
 
   // derived values
-  const isCollapsibleOpen = activeIssueDetailWidgets.includes("relations");
+  const isCollapsibleOpen = openWidgets.includes("relations");
 
   return (
     <Collapsible
       isOpen={isCollapsibleOpen}
-      onToggle={() => toggleActiveIssueDetailWidget("relations")}
-      title={
-        <RelationsCollapsibleTitle
-          isOpen={isCollapsibleOpen}
-          workspaceSlug={workspaceSlug}
-          projectId={projectId}
-          issueId={issueId}
-          disabled={disabled}
-        />
-      }
+      onToggle={() => toggleOpenWidget("relations")}
+      title={<RelationsCollapsibleTitle isOpen={isCollapsibleOpen} issueId={issueId} disabled={disabled} />}
     >
       <RelationsCollapsibleContent
         workspaceSlug={workspaceSlug}
diff --git a/web/core/components/issues/issue-detail-widgets/relations/title.tsx b/web/core/components/issues/issue-detail-widgets/relations/title.tsx
index a39d0866b..f4bcbd0e6 100644
--- a/web/core/components/issues/issue-detail-widgets/relations/title.tsx
+++ b/web/core/components/issues/issue-detail-widgets/relations/title.tsx
@@ -9,14 +9,12 @@ import { useIssueDetail } from "@/hooks/store";
 
 type Props = {
   isOpen: boolean;
-  workspaceSlug: string;
-  projectId: string;
   issueId: string;
   disabled: boolean;
 };
 
 export const RelationsCollapsibleTitle: FC<Props> = observer((props) => {
-  const { isOpen, workspaceSlug, projectId, issueId, disabled } = props;
+  const { isOpen, issueId, disabled } = props;
   // store hook
   const {
     relation: { getRelationsByIssueId },
@@ -41,14 +39,7 @@ export const RelationsCollapsibleTitle: FC<Props> = observer((props) => {
       isOpen={isOpen}
       title="Relations"
       indicatorElement={indicatorElement}
-      actionItemElement={
-        <RelationActionButton
-          workspaceSlug={workspaceSlug}
-          projectId={projectId}
-          issueId={issueId}
-          disabled={disabled}
-        />
-      }
+      actionItemElement={<RelationActionButton issueId={issueId} disabled={disabled} />}
     />
   );
 });
diff --git a/web/core/components/issues/issue-detail-widgets/root.tsx b/web/core/components/issues/issue-detail-widgets/root.tsx
index 0ac8064d7..364dac960 100644
--- a/web/core/components/issues/issue-detail-widgets/root.tsx
+++ b/web/core/components/issues/issue-detail-widgets/root.tsx
@@ -4,6 +4,7 @@ import React, { FC } from "react";
 import {
   IssueDetailWidgetActionButtons,
   IssueDetailWidgetCollapsibles,
+  IssueDetailWidgetModals,
 } from "@/components/issues/issue-detail-widgets";
 
 type Props = {
@@ -16,19 +17,22 @@ type Props = {
 export const IssueDetailWidgets: FC<Props> = (props) => {
   const { workspaceSlug, projectId, issueId, disabled } = props;
   return (
-    <div className="flex flex-col gap-5">
-      <IssueDetailWidgetActionButtons
-        workspaceSlug={workspaceSlug}
-        projectId={projectId}
-        issueId={issueId}
-        disabled={disabled}
-      />
-      <IssueDetailWidgetCollapsibles
-        workspaceSlug={workspaceSlug}
-        projectId={projectId}
-        issueId={issueId}
-        disabled={disabled}
-      />
-    </div>
+    <>
+      <div className="flex flex-col gap-5">
+        <IssueDetailWidgetActionButtons
+          workspaceSlug={workspaceSlug}
+          projectId={projectId}
+          issueId={issueId}
+          disabled={disabled}
+        />
+        <IssueDetailWidgetCollapsibles
+          workspaceSlug={workspaceSlug}
+          projectId={projectId}
+          issueId={issueId}
+          disabled={disabled}
+        />
+      </div>
+      <IssueDetailWidgetModals workspaceSlug={workspaceSlug} projectId={projectId} issueId={issueId} />
+    </>
   );
 };
diff --git a/web/core/components/issues/issue-detail-widgets/sub-issues/quick-action-button.tsx b/web/core/components/issues/issue-detail-widgets/sub-issues/quick-action-button.tsx
index adae820bb..bf1ece310 100644
--- a/web/core/components/issues/issue-detail-widgets/sub-issues/quick-action-button.tsx
+++ b/web/core/components/issues/issue-detail-widgets/sub-issues/quick-action-button.tsx
@@ -1,58 +1,34 @@
 "use client";
-import React, { FC, useState } from "react";
+import React, { FC } from "react";
 import { observer } from "mobx-react";
 import { LayersIcon, Plus } from "lucide-react";
-import { ISearchIssueResponse, TIssue } from "@plane/types";
+import { TIssue } from "@plane/types";
 import { CustomMenu } from "@plane/ui";
-// components
-import { ExistingIssuesListModal } from "@/components/core";
-import { CreateUpdateIssueModal } from "@/components/issues/issue-modal";
 // hooks
 import { useEventTracker, useIssueDetail } from "@/hooks/store";
-// helper
-import { useSubIssueOperations } from "./helper";
 
 type Props = {
-  workspaceSlug: string;
-  projectId: string;
   issueId: string;
   customButton?: React.ReactNode;
   disabled?: boolean;
 };
 
-type TIssueCrudState = { toggle: boolean; parentIssueId: string | undefined; issue: TIssue | undefined };
-
 export const SubIssuesActionButton: FC<Props> = observer((props) => {
-  const { workspaceSlug, projectId, issueId, customButton, disabled = false } = props;
-  // state
-  const [issueCrudState, setIssueCrudState] = useState<{
-    create: TIssueCrudState;
-    existing: TIssueCrudState;
-  }>({
-    create: {
-      toggle: false,
-      parentIssueId: undefined,
-      issue: undefined,
-    },
-    existing: {
-      toggle: false,
-      parentIssueId: undefined,
-      issue: undefined,
-    },
-  });
+  const { issueId, customButton, disabled = false } = props;
   // store hooks
   const {
     issue: { getIssueById },
-    isCreateIssueModalOpen,
     toggleCreateIssueModal,
-    isSubIssuesModalOpen,
     toggleSubIssuesModal,
-    setLastWidgetAction,
+    setIssueCrudOperationState,
+    issueCrudOperationState,
   } = useIssueDetail();
   const { setTrackElement } = useEventTracker();
 
-  // helper
-  const subIssueOperations = useSubIssueOperations();
+  // derived values
+  const issue = getIssueById(issueId);
+
+  if (!issue) return <></>;
 
   // handlers
   const handleIssueCrudState = (
@@ -60,21 +36,16 @@ export const SubIssuesActionButton: FC<Props> = observer((props) => {
     _parentIssueId: string | null,
     issue: TIssue | null = null
   ) => {
-    setIssueCrudState({
-      ...issueCrudState,
+    setIssueCrudOperationState({
+      ...issueCrudOperationState,
       [key]: {
-        toggle: !issueCrudState[key].toggle,
+        toggle: !issueCrudOperationState[key].toggle,
         parentIssueId: _parentIssueId,
         issue: issue,
       },
     });
   };
 
-  // derived values
-  const issue = getIssueById(issueId);
-
-  if (!issue) return <></>;
-
   const handleCreateNew = () => {
     setTrackElement("Issue detail nested sub-issue");
     handleIssueCrudState("create", issueId, null);
@@ -87,32 +58,6 @@ export const SubIssuesActionButton: FC<Props> = observer((props) => {
     toggleSubIssuesModal(issue.id);
   };
 
-  const handleExistingIssuesModalClose = () => {
-    handleIssueCrudState("existing", null, null);
-    setLastWidgetAction("sub-issues");
-    toggleSubIssuesModal(null);
-  };
-
-  const handleExistingIssuesModalOnSubmit = async (_issue: ISearchIssueResponse[]) =>
-    subIssueOperations.addSubIssue(
-      workspaceSlug,
-      projectId,
-      issueId,
-      _issue.map((issue) => issue.id)
-    );
-
-  const handleCreateUpdateModalClose = () => {
-    handleIssueCrudState("create", null, null);
-    toggleCreateIssueModal(false);
-    setLastWidgetAction("sub-issues");
-  };
-
-  const handleCreateUpdateModalOnSubmit = async (_issue: TIssue) => {
-    if (_issue.parent_id) {
-      await subIssueOperations.addSubIssue(workspaceSlug, projectId, issueId, [_issue.id]);
-    }
-  };
-
   // options
   const optionItems = [
     {
@@ -127,59 +72,26 @@ export const SubIssuesActionButton: FC<Props> = observer((props) => {
     },
   ];
 
-  // create update modal
-  const shouldRenderCreateUpdateModal =
-    issueCrudState?.create?.toggle && issueCrudState?.create?.parentIssueId && isCreateIssueModalOpen;
-
-  const createUpdateModalData = { parent_id: issueCrudState?.create?.parentIssueId };
-
-  // existing issues modal
-  const shouldRenderExistingIssuesModal =
-    issueCrudState?.existing?.toggle && issueCrudState?.existing?.parentIssueId && isSubIssuesModalOpen;
-
-  const existingIssuesModalSearchParams = { sub_issue: true, issue_id: issueCrudState?.existing?.parentIssueId };
-
+  // button element
   const customButtonElement = customButton ? <>{customButton}</> : <Plus className="h-4 w-4" />;
+
   return (
-    <>
-      <CustomMenu customButton={customButtonElement} placement="bottom-start" disabled={disabled} closeOnSelect>
-        {optionItems.map((item, index) => (
-          <CustomMenu.MenuItem
-            key={index}
-            onClick={(e) => {
-              e.preventDefault();
-              e.stopPropagation();
-              item.onClick();
-            }}
-          >
-            <div className="flex items-center gap-2">
-              {item.icon}
-              <span>{item.label}</span>
-            </div>
-          </CustomMenu.MenuItem>
-        ))}
-      </CustomMenu>
-
-      {shouldRenderCreateUpdateModal && (
-        <CreateUpdateIssueModal
-          isOpen={issueCrudState?.create?.toggle}
-          data={createUpdateModalData}
-          onClose={handleCreateUpdateModalClose}
-          onSubmit={handleCreateUpdateModalOnSubmit}
-        />
-      )}
-
-      {shouldRenderExistingIssuesModal && (
-        <ExistingIssuesListModal
-          workspaceSlug={workspaceSlug}
-          projectId={projectId}
-          isOpen={issueCrudState?.existing?.toggle}
-          handleClose={handleExistingIssuesModalClose}
-          searchParams={existingIssuesModalSearchParams}
-          handleOnSubmit={handleExistingIssuesModalOnSubmit}
-          workspaceLevelToggle
-        />
-      )}
-    </>
+    <CustomMenu customButton={customButtonElement} placement="bottom-start" disabled={disabled} closeOnSelect>
+      {optionItems.map((item, index) => (
+        <CustomMenu.MenuItem
+          key={index}
+          onClick={(e) => {
+            e.preventDefault();
+            e.stopPropagation();
+            item.onClick();
+          }}
+        >
+          <div className="flex items-center gap-2">
+            {item.icon}
+            <span>{item.label}</span>
+          </div>
+        </CustomMenu.MenuItem>
+      ))}
+    </CustomMenu>
   );
 });
diff --git a/web/core/components/issues/issue-detail-widgets/sub-issues/root.tsx b/web/core/components/issues/issue-detail-widgets/sub-issues/root.tsx
index 50f216bbf..5ce79bb64 100644
--- a/web/core/components/issues/issue-detail-widgets/sub-issues/root.tsx
+++ b/web/core/components/issues/issue-detail-widgets/sub-issues/root.tsx
@@ -18,24 +18,16 @@ export const SubIssuesCollapsible: FC<Props> = observer((props) => {
   const { workspaceSlug, projectId, issueId, disabled = false } = props;
 
   // store hooks
-  const { activeIssueDetailWidgets, toggleActiveIssueDetailWidget } = useIssueDetail();
+  const { openWidgets, toggleOpenWidget } = useIssueDetail();
 
   // derived state
-  const isCollapsibleOpen = activeIssueDetailWidgets.includes("sub-issues");
+  const isCollapsibleOpen = openWidgets.includes("sub-issues");
 
   return (
     <Collapsible
       isOpen={isCollapsibleOpen}
-      onToggle={() => toggleActiveIssueDetailWidget("sub-issues")}
-      title={
-        <SubIssuesCollapsibleTitle
-          isOpen={isCollapsibleOpen}
-          workspaceSlug={workspaceSlug}
-          projectId={projectId}
-          parentIssueId={issueId}
-          disabled={disabled}
-        />
-      }
+      onToggle={() => toggleOpenWidget("sub-issues")}
+      title={<SubIssuesCollapsibleTitle isOpen={isCollapsibleOpen} parentIssueId={issueId} disabled={disabled} />}
     >
       <SubIssuesCollapsibleContent
         workspaceSlug={workspaceSlug}
diff --git a/web/core/components/issues/issue-detail-widgets/sub-issues/title.tsx b/web/core/components/issues/issue-detail-widgets/sub-issues/title.tsx
index 5037c0ef6..4e40a7b61 100644
--- a/web/core/components/issues/issue-detail-widgets/sub-issues/title.tsx
+++ b/web/core/components/issues/issue-detail-widgets/sub-issues/title.tsx
@@ -9,14 +9,12 @@ import { useIssueDetail } from "@/hooks/store";
 
 type Props = {
   isOpen: boolean;
-  workspaceSlug: string;
-  projectId: string;
   parentIssueId: string;
   disabled: boolean;
 };
 
 export const SubIssuesCollapsibleTitle: FC<Props> = observer((props) => {
-  const { isOpen, workspaceSlug, projectId, parentIssueId, disabled } = props;
+  const { isOpen, parentIssueId, disabled } = props;
   // store hooks
   const {
     subIssues: { subIssuesByIssueId, stateDistributionByIssueId },
@@ -52,14 +50,7 @@ export const SubIssuesCollapsibleTitle: FC<Props> = observer((props) => {
       isOpen={isOpen}
       title="Sub-issues"
       indicatorElement={indicatorElement}
-      actionItemElement={
-        <SubIssuesActionButton
-          workspaceSlug={workspaceSlug}
-          projectId={projectId}
-          issueId={parentIssueId}
-          disabled={disabled}
-        />
-      }
+      actionItemElement={<SubIssuesActionButton issueId={parentIssueId} disabled={disabled} />}
     />
   );
 });
diff --git a/web/core/store/issue/issue-details/root.store.ts b/web/core/store/issue/issue-details/root.store.ts
index f6dcdd931..e16a41a4a 100644
--- a/web/core/store/issue/issue-details/root.store.ts
+++ b/web/core/store/issue/issue-details/root.store.ts
@@ -38,6 +38,13 @@ export type TIssueRelationModal = {
   relationType: TIssueRelationTypes | null;
 };
 
+export type TIssueCrudState = { toggle: boolean; parentIssueId: string | undefined; issue: TIssue | undefined };
+
+export type TIssueCrudOperationState = {
+  create: TIssueCrudState;
+  existing: TIssueCrudState;
+};
+
 export interface IIssueDetail
   extends IIssueStoreActions,
     IIssueReactionStoreActions,
@@ -51,7 +58,9 @@ export interface IIssueDetail
     IIssueCommentReactionStoreActions {
   // observables
   peekIssue: TPeekIssue | undefined;
-  activeIssueDetailWidgets: TIssueDetailWidget[];
+  relationKey: TIssueRelationTypes | null;
+  issueCrudOperationState: TIssueCrudOperationState;
+  openWidgets: TIssueDetailWidget[];
   lastWidgetAction: TIssueDetailWidget | null;
   isCreateIssueModalOpen: boolean;
   isIssueLinkModalOpen: boolean;
@@ -75,9 +84,11 @@ export interface IIssueDetail
   toggleRelationModal: (issueId: string | null, relationType: TIssueRelationTypes | null) => void;
   toggleSubIssuesModal: (value: string | null) => void;
   toggleDeleteAttachmentModal: (attachmentId: string | null) => void;
-  setActiveIssueDetailWidgets: (state: TIssueDetailWidget[]) => void;
+  setOpenWidgets: (state: TIssueDetailWidget[]) => void;
   setLastWidgetAction: (action: TIssueDetailWidget) => void;
-  toggleActiveIssueDetailWidget: (state: TIssueDetailWidget) => void;
+  toggleOpenWidget: (state: TIssueDetailWidget) => void;
+  setRelationKey: (relationKey: TIssueRelationTypes | null) => void;
+  setIssueCrudOperationState: (state: TIssueCrudOperationState) => void;
   // store
   rootIssueStore: IIssueRootStore;
   issue: IIssueStore;
@@ -95,7 +106,20 @@ export interface IIssueDetail
 export class IssueDetail implements IIssueDetail {
   // observables
   peekIssue: TPeekIssue | undefined = undefined;
-  activeIssueDetailWidgets: TIssueDetailWidget[] = ["sub-issues"];
+  relationKey: TIssueRelationTypes | null = null;
+  issueCrudOperationState: TIssueCrudOperationState = {
+    create: {
+      toggle: false,
+      parentIssueId: undefined,
+      issue: undefined,
+    },
+    existing: {
+      toggle: false,
+      parentIssueId: undefined,
+      issue: undefined,
+    },
+  };
+  openWidgets: TIssueDetailWidget[] = ["sub-issues", "links", "attachments"];
   lastWidgetAction: TIssueDetailWidget | null = null;
   isCreateIssueModalOpen: boolean = false;
   isIssueLinkModalOpen: boolean = false;
@@ -122,6 +146,8 @@ export class IssueDetail implements IIssueDetail {
     makeObservable(this, {
       // observables
       peekIssue: observable,
+      relationKey: observable,
+      issueCrudOperationState: observable,
       isCreateIssueModalOpen: observable,
       isIssueLinkModalOpen: observable.ref,
       isParentIssueModalOpen: observable.ref,
@@ -130,7 +156,7 @@ export class IssueDetail implements IIssueDetail {
       isRelationModalOpen: observable.ref,
       isSubIssuesModalOpen: observable.ref,
       attachmentDeleteModalId: observable.ref,
-      activeIssueDetailWidgets: observable.ref,
+      openWidgets: observable.ref,
       lastWidgetAction: observable.ref,
       // computed
       isAnyModalOpen: computed,
@@ -144,9 +170,11 @@ export class IssueDetail implements IIssueDetail {
       toggleRelationModal: action,
       toggleSubIssuesModal: action,
       toggleDeleteAttachmentModal: action,
-      setActiveIssueDetailWidgets: action,
+      setOpenWidgets: action,
       setLastWidgetAction: action,
-      toggleActiveIssueDetailWidget: action,
+      toggleOpenWidget: action,
+      setRelationKey: action,
+      setIssueCrudOperationState: action,
     });
 
     // store
@@ -181,6 +209,8 @@ export class IssueDetail implements IIssueDetail {
   getIsIssuePeeked = (issueId: string) => this.peekIssue?.issueId === issueId;
 
   // actions
+  setRelationKey = (relationKey: TIssueRelationTypes | null) => (this.relationKey = relationKey);
+  setIssueCrudOperationState = (state: TIssueCrudOperationState) => (this.issueCrudOperationState = state);
   setPeekIssue = (peekIssue: TPeekIssue | undefined) => (this.peekIssue = peekIssue);
   toggleCreateIssueModal = (value: boolean) => (this.isCreateIssueModalOpen = value);
   toggleIssueLinkModal = (value: boolean) => (this.isIssueLinkModalOpen = value);
@@ -191,17 +221,17 @@ export class IssueDetail implements IIssueDetail {
     (this.isRelationModalOpen = { issueId, relationType });
   toggleSubIssuesModal = (issueId: string | null) => (this.isSubIssuesModalOpen = issueId);
   toggleDeleteAttachmentModal = (attachmentId: string | null) => (this.attachmentDeleteModalId = attachmentId);
-  setActiveIssueDetailWidgets = (state: TIssueDetailWidget[]) => {
-    this.activeIssueDetailWidgets = state;
+  setOpenWidgets = (state: TIssueDetailWidget[]) => {
+    this.openWidgets = state;
     if (this.lastWidgetAction) this.lastWidgetAction = null;
   };
   setLastWidgetAction = (action: TIssueDetailWidget) => {
-    this.activeIssueDetailWidgets = [action];
+    this.openWidgets = [action];
   };
-  toggleActiveIssueDetailWidget = (state: TIssueDetailWidget) => {
-    if (this.activeIssueDetailWidgets && this.activeIssueDetailWidgets.includes(state))
-      this.activeIssueDetailWidgets = this.activeIssueDetailWidgets.filter((s) => s !== state);
-    else this.activeIssueDetailWidgets = [state, ...this.activeIssueDetailWidgets];
+  toggleOpenWidget = (state: TIssueDetailWidget) => {
+    if (this.openWidgets && this.openWidgets.includes(state))
+      this.openWidgets = this.openWidgets.filter((s) => s !== state);
+    else this.openWidgets = [state, ...this.openWidgets];
   };
 
   // issue