fix: merge conflicts resolved

packages/editor/document-editor/src/ui/components/editor-header.tsx

@@ -42,8 +42,8 @@ export const EditorHeader = (props: IEditorHeader) => {
   } = props;
 
   return (
-    <div className="flex items-center border-b border-custom-border-200 px-5 py-2">
+    <div className="flex items-center border-b border-custom-border-200 md:px-5 px-3 py-2">
-      <div className="w-56 flex-shrink-0 lg:w-72">
+      <div className="md:w-56 flex-shrink-0 lg:w-72 w-fit">
         <SummaryPopover
           editor={editor}
           markings={markings}
@@ -52,7 +52,7 @@ export const EditorHeader = (props: IEditorHeader) => {
         />
       </div>
 
-      <div className="flex-shrink-0">
+      <div className="flex-shrink-0 hidden md:flex">
         {!readonly && uploadFile && (
           <FixedMenu editor={editor} uploadFile={uploadFile} setIsSubmitting={setIsSubmitting} />
         )}

packages/editor/document-editor/src/ui/components/page-renderer.tsx

@@ -152,7 +152,7 @@ export const PageRenderer = (props: IPageRenderer) => {
   );
 
   return (
-    <div className="w-full pb-64 pl-7 pt-5 page-renderer">
+    <div className="w-full pb-64 md:pl-7 pl-3 pt-5 page-renderer">
       {!readonly ? (
         <input
           onChange={(e) => handlePageTitleChange(e.target.value)}

packages/editor/document-editor/src/ui/components/summary-popover.tsx

@@ -40,6 +40,19 @@ export const SummaryPopover: React.FC<Props> = (props) => {
       >
         <List className="h-4 w-4" />
       </button>
+      <div className="md:hidden block">
+        {sidePeekVisible && (
+          <div
+            className="z-10 max-h-80 w-64 overflow-y-auto rounded border-[0.5px] border-custom-border-200 bg-custom-background-100 p-3 shadow-custom-shadow-rg"
+            ref={setPopperElement}
+            style={summaryPopoverStyles.popper}
+            {...summaryPopoverAttributes.popper}
+          >
+            <ContentBrowser editor={editor} markings={markings} />
+          </div>
+        )}
+      </div>
+      <div className="hidden md:block">
         {!sidePeekVisible && (
           <div
             className="z-10 hidden max-h-80 w-64 overflow-y-auto rounded border-[0.5px] border-custom-border-200 bg-custom-background-100 p-3 shadow-custom-shadow-rg group-hover/summary-popover:block"
@@ -51,5 +64,6 @@ export const SummaryPopover: React.FC<Props> = (props) => {
           </div>
         )}
       </div>
+    </div>
   );
 };

packages/editor/document-editor/src/ui/index.tsx

@@ -10,6 +10,7 @@ import { DocumentDetails } from "src/types/editor-types";
 import { PageRenderer } from "src/ui/components/page-renderer";
 import { getMenuOptions } from "src/utils/menu-options";
 import { useRouter } from "next/router";
+import { FixedMenu } from "src";
 
 interface IDocumentEditor {
   // document info
@@ -149,11 +150,14 @@ const DocumentEditor = ({
         documentDetails={documentDetails}
         isSubmitting={isSubmitting}
       />
+      <div className="flex-shrink-0 md:hidden border-b border-custom-border-200 pl-3 py-2">
+        {uploadFile && <FixedMenu editor={editor} uploadFile={uploadFile} setIsSubmitting={setIsSubmitting} />}
+      </div>
       <div className="flex h-full w-full overflow-y-auto frame-renderer">
-        <div className="sticky top-0 h-full w-56 flex-shrink-0 lg:w-72">
+        <div className="sticky top-0 h-full w-56 flex-shrink-0 lg:w-72 hidden md:block">
           <SummarySideBar editor={editor} markings={markings} sidePeekVisible={sidePeekVisible} />
         </div>
-        <div className="h-full w-[calc(100%-14rem)] lg:w-[calc(100%-18rem-18rem)] page-renderer">
+        <div className="h-full w-full md:w-[calc(100%-14rem)] lg:w-[calc(100%-18rem-18rem)] page-renderer">
           <PageRenderer
             onActionCompleteHandler={onActionCompleteHandler}
             hideDragHandle={hideDragHandleOnMouseLeave}

packages/editor/document-editor/src/ui/menu/fixed-menu.tsx

@@ -77,7 +77,7 @@ export const FixedMenu = (props: EditorBubbleMenuProps) => {
   }
 
   return (
-    <div className="flex items-center divide-x divide-custom-border-200">
+    <div className="flex flex-wrap items-center divide-x divide-custom-border-200">
       <div className="flex items-center gap-0.5 pr-2">
         {basicMarkItems.map((item) => (
           <button

web/components/core/sidebar/sidebar-menu-hamburger-toggle.tsx

@@ -7,7 +7,7 @@ export const SidebarHamburgerToggle: FC = observer(() => {
   const { theme: themStore } = useApplication();
   return (
     <div
-      className="w-7 h-7 rounded flex justify-center items-center bg-custom-background-80 transition-all hover:bg-custom-background-90 cursor-pointer group md:hidden"
+      className="w-7 h-7 flex-shrink-0 rounded flex justify-center items-center bg-custom-background-80 transition-all hover:bg-custom-background-90 cursor-pointer group md:hidden"
       onClick={() => themStore.toggleSidebar()}
     >
       <Menu size={14} className="text-custom-text-200 group-hover:text-custom-text-100 transition-all" />

web/components/empty-state/empty-state.tsx

@@ -65,14 +65,14 @@ export const EmptyState: React.FC<Props> = ({
   );
 
   return (
-    <div className="flex items-center justify-center min-h-full min-w-full overflow-y-auto py-10 px-20">
+    <div className="flex items-center justify-center min-h-full min-w-full overflow-y-auto py-10 md:px-20 px-5">
       <div
         className={cn("flex flex-col gap-5", {
-          "min-w-[24rem] max-w-[45rem]": size === "sm",
+          "md:min-w-[24rem] max-w-[45rem]": size === "sm",
-          "min-w-[30rem] max-w-[60rem]": size === "lg",
+          "md:min-w-[30rem] max-w-[60rem]": size === "lg",
         })}
       >
-        <div className="flex flex-col gap-1.5 flex-shrink-0">{emptyStateHeader}</div>
+        <div className="flex flex-col gap-1.5 flex-shrink">{emptyStateHeader}</div>
 
         <Image
           src={image}

web/components/headers/page-details.tsx

@@ -36,6 +36,8 @@ export const PageDetailsHeader: FC<IPagesHeaderProps> = observer((props) => {
             <Breadcrumbs.BreadcrumbItem
               type="text"
               link={
+                <span>
+                  <span className="hidden md:block">
                     <BreadcrumbLink
                       href={`/${workspaceSlug}/projects/${currentProjectDetails?.id}/issues`}
                       label={currentProjectDetails?.name ?? "Project"}
@@ -51,8 +53,17 @@ export const PageDetailsHeader: FC<IPagesHeaderProps> = observer((props) => {
                         )
                       }
                     />
+                  </span>
+                  <span className="md:hidden">
+                    <BreadcrumbLink
+                      href={`/${workspaceSlug}/projects/${currentProjectDetails?.id}/issues`}
+                      label={"..."}
+                    />
+                  </span>
+                </span>
               }
             />
+
             <Breadcrumbs.BreadcrumbItem
               type="text"
               link={

web/components/headers/project-issue-details.tsx

@@ -3,7 +3,7 @@ import useSWR from "swr";
 import { useRouter } from "next/router";
 import { observer } from "mobx-react-lite";
 // hooks
-import { useProject } from "hooks/store";
+import { useApplication, useProject } from "hooks/store";
 // ui
 import { Breadcrumbs, LayersIcon } from "@plane/ui";
 // helpers
@@ -15,6 +15,8 @@ import { ISSUE_DETAILS } from "constants/fetch-keys";
 // components
 import { SidebarHamburgerToggle } from "components/core/sidebar/sidebar-menu-hamburger-toggle";
 import { BreadcrumbLink } from "components/common";
+import { PanelRight } from "lucide-react";
+import { cn } from "helpers/common.helper";
 
 // services
 const issueService = new IssueService();
@@ -25,6 +27,7 @@ export const ProjectIssueDetailsHeader: FC = observer(() => {
   const { workspaceSlug, projectId, issueId } = router.query;
   // store hooks
   const { currentProjectDetails, getProjectById } = useProject();
+  const { theme: themeStore } = useApplication();
 
   const { data: issueDetails } = useSWR(
     workspaceSlug && projectId && issueId ? ISSUE_DETAILS(issueId as string) : null,
@@ -33,12 +36,14 @@ export const ProjectIssueDetailsHeader: FC = observer(() => {
       : null
   );
 
+  const isSidebarCollapsed = themeStore.issueDetailSidebarCollapsed;
+
   return (
     <div className="relative z-10 flex h-[3.75rem] w-full flex-shrink-0 flex-row items-center justify-between gap-x-2 gap-y-4 border-b border-custom-border-200 bg-custom-sidebar-background-100 p-4">
       <div className="flex w-full flex-grow items-center gap-2 overflow-ellipsis whitespace-nowrap">
         <SidebarHamburgerToggle />
         <div>
-          <Breadcrumbs>
+          <Breadcrumbs onBack={router.back}>
             <Breadcrumbs.BreadcrumbItem
               type="text"
               link={
@@ -85,6 +90,9 @@ export const ProjectIssueDetailsHeader: FC = observer(() => {
           </Breadcrumbs>
         </div>
       </div>
+      <button className="block md:hidden" onClick={() => themeStore.toggleIssueDetailSidebar()}>
+        <PanelRight className={cn("w-4 h-4 ", !isSidebarCollapsed ? "text-custom-primary-100" : " text-custom-text-200")} />
+      </button>
     </div>
   );
 });

web/components/headers/project-issues.tsx

@@ -213,7 +213,7 @@ export const ProjectIssuesHeader: React.FC = observer(() => {
                   )}
                 </Button>
               </span>
-              <Inbox className="w-4 h-4 mr-2 text-custom-text-200" />
+              <Inbox className="w-4 h-4 mr-2 text-custom-text-200 block md:hidden" />
             </Link>
           )}
           {canUserCreateIssue && (

web/components/issues/issue-detail/issue-activity/activity/actions/helpers/activity-block.tsx

@@ -33,7 +33,7 @@ export const IssueActivityBlockComponent: FC<TIssueActivityBlockComponent> = (pr
       }`}
     >
       <div className="absolute left-[13px] top-0 bottom-0 w-0.5 bg-custom-background-80" aria-hidden={true} />
-      <div className="flex-shrink-0 ring-6 w-7 h-7 rounded-full overflow-hidden flex justify-center items-center z-10 bg-custom-background-80 text-custom-text-200">
+      <div className="flex-shrink-0 ring-6 w-7 h-7 rounded-full overflow-hidden flex justify-center items-center z-[4] bg-custom-background-80 text-custom-text-200">
         {icon ? icon : <Network className="w-3.5 h-3.5" />}
       </div>
       <div className="w-full text-custom-text-200">

web/components/issues/issue-detail/root.tsx

@@ -9,7 +9,7 @@ import { EmptyState } from "components/common";
 // images
 import emptyIssue from "public/empty-state/issue.svg";
 // hooks
-import { useEventTracker, useIssueDetail, useIssues, useUser } from "hooks/store";
+import { useApplication, useEventTracker, useIssueDetail, useIssues, useUser } from "hooks/store";
 import useToast from "hooks/use-toast";
 // types
 import { TIssue } from "@plane/types";
@@ -17,6 +17,7 @@ import { TIssue } from "@plane/types";
 import { EUserProjectRoles } from "constants/project";
 import { EIssuesStoreType } from "constants/issue";
 import { ISSUE_UPDATED, ISSUE_DELETED } from "constants/event-tracker";
+import { observer } from "mobx-react";
 
 export type TIssueOperations = {
   fetch: (workspaceSlug: string, projectId: string, issueId: string) => Promise<void>;
@@ -52,7 +53,7 @@ export type TIssueDetailRoot = {
   is_archived?: boolean;
 };
 
-export const IssueDetailRoot: FC<TIssueDetailRoot> = (props) => {
+export const IssueDetailRoot: FC<TIssueDetailRoot> = observer((props) => {
   const { workspaceSlug, projectId, issueId, is_archived = false } = props;
   // router
   const router = useRouter();
@@ -76,6 +77,7 @@ export const IssueDetailRoot: FC<TIssueDetailRoot> = (props) => {
   const {
     membership: { currentProjectRole },
   } = useUser();
+  const { theme: themeStore } = useApplication();
 
   const issueOperations: TIssueOperations = useMemo(
     () => ({
@@ -347,8 +349,8 @@ export const IssueDetailRoot: FC<TIssueDetailRoot> = (props) => {
           }}
         />
       ) : (
-        <div className="flex h-full overflow-hidden">
+        <div className="flex w-full h-full overflow-hidden">
-          <div className="h-full w-2/3 space-y-5 divide-y-2 divide-custom-border-300 overflow-y-auto p-5">
+          <div className="h-full w-full max-w-2/3 space-y-5 divide-y-2 divide-custom-border-300 overflow-y-auto p-5">
             <IssueMainContent
               workspaceSlug={workspaceSlug}
               projectId={projectId}
@@ -357,7 +359,10 @@ export const IssueDetailRoot: FC<TIssueDetailRoot> = (props) => {
               is_editable={!is_archived && is_editable}
             />
           </div>
-          <div className="h-full w-1/3 space-y-5 overflow-hidden border-l border-custom-border-300 py-5">
+          <div
+            className="h-full w-full sm:w-1/2 md:w-1/3 space-y-5 overflow-hidden border-l border-custom-border-300 py-5 fixed md:relative bg-custom-sidebar-background-100 right-0 z-[5]"
+            style={themeStore.issueDetailSidebarCollapsed ? { right: `-${window?.innerWidth || 0}px` } : {}}
+          >
             <IssueDetailsSidebar
               workspaceSlug={workspaceSlug}
               projectId={projectId}
@@ -374,4 +379,4 @@ export const IssueDetailRoot: FC<TIssueDetailRoot> = (props) => {
       <IssuePeekOverview />
     </>
   );
-};
+});

web/components/issues/issue-detail/sidebar.tsx

@@ -187,8 +187,7 @@ export const IssueDetailsSidebar: React.FC<Props> = observer((props) => {
                 buttonVariant={issue?.assignee_ids?.length > 1 ? "transparent-without-text" : "transparent-with-text"}
                 className="w-3/5 flex-grow group"
                 buttonContainerClassName="w-full text-left"
-                buttonClassName={`text-sm justify-between ${
+                buttonClassName={`text-sm justify-between ${issue?.assignee_ids.length > 0 ? "" : "text-custom-text-400"
-                  issue?.assignee_ids.length > 0 ? "" : "text-custom-text-400"
                   }`}
                 hideIcon={issue.assignee_ids?.length === 0}
                 dropdownArrow

web/components/issues/issue-detail/subscription.tsx

@@ -1,5 +1,5 @@
 import { FC, useState } from "react";
-import { Bell } from "lucide-react";
+import { Bell, BellOff } from "lucide-react";
 import { observer } from "mobx-react-lite";
 // UI
 import { Button } from "@plane/ui";
@@ -52,12 +52,20 @@ export const IssueSubscription: FC<TIssueSubscription> = observer((props) => {
     <div>
       <Button
         size="sm"
-        prependIcon={<Bell className="h-3 w-3" />}
+        prependIcon={subscription?.subscribed ? <BellOff /> : <Bell className="h-3 w-3" />}
         variant="outline-primary"
         className="hover:!bg-custom-primary-100/20"
         onClick={handleSubscription}
       >
-        {loading ? "Loading..." : subscription?.subscribed ? "Unsubscribe" : "Subscribe"}
+        {loading ? (
+          <span>
+            <span className="hidden sm:block">Loading</span>...
+          </span>
+        ) : subscription?.subscribed ? (
+          <div className="hidden sm:block">Unsubscribe</div>
+        ) : (
+          <div className="hidden sm:block">Subscribe</div>
+        )}
       </Button>
     </div>
   );

web/components/issues/issue-layouts/spreadsheet/columns/header-column.tsx

@@ -66,11 +66,11 @@ export const HeaderColumn = (props: Props) => {
       }
       onMenuClose={onClose}
       placement="bottom-end"
+      closeOnSelect
     >
       <CustomMenu.MenuItem onClick={() => handleOrderBy(propertyDetails.ascendingOrderKey, property)}>
         <div
-          className={`flex items-center justify-between gap-1.5 px-1 ${
+          className={`flex items-center justify-between gap-1.5 px-1 ${selectedMenuItem === `${propertyDetails.ascendingOrderKey}_${property}`
-            selectedMenuItem === `${propertyDetails.ascendingOrderKey}_${property}`
             ? "text-custom-text-100"
             : "text-custom-text-200 hover:text-custom-text-100"
             }`}
@@ -87,8 +87,7 @@ export const HeaderColumn = (props: Props) => {
       </CustomMenu.MenuItem>
       <CustomMenu.MenuItem onClick={() => handleOrderBy(propertyDetails.descendingOrderKey, property)}>
         <div
-          className={`flex items-center justify-between gap-1.5 px-1 ${
+          className={`flex items-center justify-between gap-1.5 px-1 ${selectedMenuItem === `${propertyDetails.descendingOrderKey}_${property}`
-            selectedMenuItem === `${propertyDetails.descendingOrderKey}_${property}`
             ? "text-custom-text-100"
             : "text-custom-text-200 hover:text-custom-text-100"
             }`}

web/components/pages/create-update-page-modal.tsx

@@ -104,7 +104,7 @@ export const CreateUpdatePageModal: FC<Props> = (props) => {
               leaveFrom="opacity-100 translate-y-0 sm:scale-100"
               leaveTo="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
             >
-              <Dialog.Panel className="relative transform rounded-lg bg-custom-background-100 p-5 px-4 text-left shadow-custom-shadow-md transition-all sm:w-full sm:max-w-2xl">
+              <Dialog.Panel className="relative transform rounded-lg bg-custom-background-100 p-5 px-4 text-left shadow-custom-shadow-md transition-all w-full sm:max-w-2xl">
                 <PageForm handleFormSubmit={handleFormSubmit} handleClose={handleClose} pageStore={pageStore} />
               </Dialog.Panel>
             </Transition.Child>

web/components/pages/page-form.tsx

@@ -67,7 +67,7 @@ export const PageForm: React.FC<Props> = (props) => {
           </div>
         </div>
       </div>
-      <div className="mt-5 flex items-center justify-between gap-2">
+      <div className="mt-5 md:flex items-center justify-between gap-2">
         <Controller
           control={control}
           name="access"
@@ -100,7 +100,7 @@ export const PageForm: React.FC<Props> = (props) => {
             </div>
           )}
         />
-        <div className="flex items-center gap-2">
+        <div className="flex items-center gap-2 justify-end mt-5 md:mt-0">
           <Button variant="neutral-primary" size="sm" onClick={handleClose} tabIndex={4}>
             Cancel
           </Button>

web/components/pages/pages-list/list-item.tsx

@@ -155,7 +155,7 @@ export const PagesListItem: FC<IPagesListItem> = observer(({ pageId, projectId }
       <DeletePageModal isOpen={deletePageModal} onClose={() => setDeletePageModal(false)} pageId={pageId} />
       <li>
         <Link href={`/${workspaceSlug}/projects/${projectId}/pages/${pageId}`}>
-          <div className="relative rounded p-4 text-custom-text-200 hover:bg-custom-background-80">
+          <div className="relative rounded p-3 md:p-4 text-custom-text-200 hover:bg-custom-background-80">
             <div className="flex items-center justify-between">
               <div className="flex items-center gap-2 overflow-hidden">
                 <FileText className="h-4 w-4 shrink-0" />

web/components/pages/pages-list/recent-pages-list.tsx

@@ -52,7 +52,7 @@ export const RecentPagesList: FC = observer(() => {
 
             return (
               <div key={key}>
-                <h2 className="sticky top-0 z-[1] mb-2 bg-custom-background-100 text-xl font-semibold capitalize">
+                <h2 className="sticky top-0 z-[1] mb-2 bg-custom-background-100 text-xl font-semibold capitalize px-3 md:p-0">
                   {replaceUnderscoreIfSnakeCase(key)}
                 </h2>
                 <PagesListView pageIds={recentProjectPages[key]} />

web/pages/[workspaceSlug]/projects/[projectId]/issues/[issueId].tsx

@@ -1,4 +1,4 @@
-import React, { ReactElement } from "react";
+import React, { ReactElement, useEffect } from "react";
 import { useRouter } from "next/router";
 import useSWR from "swr";
 import { observer } from "mobx-react-lite";
@@ -12,7 +12,7 @@ import { Loader } from "@plane/ui";
 // types
 import { NextPageWithLayout } from "lib/types";
 // fetch-keys
-import { useIssueDetail } from "hooks/store";
+import { useApplication, useIssueDetail } from "hooks/store";
 
 const IssueDetailsPage: NextPageWithLayout = observer(() => {
   // router
@@ -23,6 +23,7 @@ const IssueDetailsPage: NextPageWithLayout = observer(() => {
     fetchIssue,
     issue: { getIssueById },
   } = useIssueDetail();
+  const { theme: themeStore } = useApplication();
 
   const { isLoading } = useSWR(
     workspaceSlug && projectId && issueId ? `ISSUE_DETAIL_${workspaceSlug}_${projectId}_${issueId}` : null,
@@ -34,6 +35,21 @@ const IssueDetailsPage: NextPageWithLayout = observer(() => {
   const issue = getIssueById(issueId?.toString() || "") || undefined;
   const issueLoader = !issue || isLoading ? true : false;
 
+  useEffect(() => {
+    const handleToggleIssueDetailSidebar = () => {
+      if (window && window.innerWidth < 768) {
+        themeStore.toggleIssueDetailSidebar(true);
+      }
+      if (window && themeStore.issueDetailSidebarCollapsed && window.innerWidth >= 768) {
+        themeStore.toggleIssueDetailSidebar(false);
+      }
+    };
+
+    window.addEventListener("resize", handleToggleIssueDetailSidebar);
+    handleToggleIssueDetailSidebar();
+    return () => window.removeEventListener("resize", handleToggleIssueDetailSidebar);
+  }, [themeStore]);
+
   return (
     <>
       {issueLoader ? (

web/pages/[workspaceSlug]/projects/[projectId]/pages/index.tsx

@@ -103,6 +103,25 @@ const ProjectPagesPage: NextPageWithLayout = observer(() => {
 
   const isEditingAllowed = !!currentProjectRole && currentProjectRole >= EUserWorkspaceRoles.MEMBER;
 
+  const mobileTabList = (
+    <Tab.List as="div" className="flex items-center justify-between border-b border-custom-border-200 px-3 pt-3 mb-4">
+      <div className="flex flex-wrap items-center gap-4">
+        {PAGE_TABS_LIST.map((tab) => (
+          <Tab
+            key={tab.key}
+            className={({ selected }) =>
+              `text-sm outline-none pb-3 ${
+                selected ? "border-custom-primary-100 text-custom-primary-100 border-b" : ""
+              }`
+            }
+          >
+            {tab.title}
+          </Tab>
+        ))}
+      </div>
+    </Tab.List>
+  );
+
   if (loader || archivedPageLoader)
     return (
       <div className="flex items-center justify-center h-full w-full">
@@ -121,8 +140,8 @@ const ProjectPagesPage: NextPageWithLayout = observer(() => {
               projectId={projectId.toString()}
             />
           )}
-          <div className="flex h-full flex-col space-y-5 overflow-hidden p-6">
+          <div className="flex h-full flex-col md:space-y-5 overflow-hidden md:p-6">
-            <div className="flex justify-between gap-4">
+            <div className="justify-between gap-4 hidden md:flex">
               <h3 className="text-2xl font-semibold text-custom-text-100">Pages</h3>
             </div>
             <Tab.Group
@@ -147,7 +166,8 @@ const ProjectPagesPage: NextPageWithLayout = observer(() => {
                 }
               }}
             >
-              <Tab.List as="div" className="mb-6 flex items-center justify-between">
+              <div className="md:hidden">{mobileTabList}</div>
+              <Tab.List as="div" className="mb-6 items-center justify-between hidden md:flex">
                 <div className="flex flex-wrap items-center gap-4">
                   {PAGE_TABS_LIST.map((tab) => (
                     <Tab

web/store/application/theme.store.ts

@@ -9,11 +9,13 @@ export interface IThemeStore {
   sidebarCollapsed: boolean | undefined;
   profileSidebarCollapsed: boolean | undefined;
   workspaceAnalyticsSidebarCollapsed: boolean | undefined;
+  issueDetailSidebarCollapsed: boolean | undefined;
   // actions
   toggleSidebar: (collapsed?: boolean) => void;
   setTheme: (theme: any) => void;
   toggleProfileSidebar: (collapsed?: boolean) => void;
   toggleWorkspaceAnalyticsSidebar: (collapsed?: boolean) => void;
+  toggleIssueDetailSidebar: (collapsed?: boolean) => void;
 }
 
 export class ThemeStore implements IThemeStore {
@@ -22,6 +24,7 @@ export class ThemeStore implements IThemeStore {
   theme: string | null = null;
   profileSidebarCollapsed: boolean | undefined = undefined;
   workspaceAnalyticsSidebarCollapsed: boolean | undefined = undefined;
+  issueDetailSidebarCollapsed: boolean | undefined = undefined;
   // root store
   rootStore;
 
@@ -32,11 +35,13 @@ export class ThemeStore implements IThemeStore {
       theme: observable.ref,
       profileSidebarCollapsed: observable.ref,
       workspaceAnalyticsSidebarCollapsed: observable.ref,
+      issueDetailSidebarCollapsed: observable.ref,
       // action
       toggleSidebar: action,
       setTheme: action,
       toggleProfileSidebar: action,
-      toggleWorkspaceAnalyticsSidebar: action
+      toggleWorkspaceAnalyticsSidebar: action,
+      toggleIssueDetailSidebar: action,
       // computed
     });
     // root store
@@ -82,6 +87,15 @@ export class ThemeStore implements IThemeStore {
     localStorage.setItem("workspace_analytics_sidebar_collapsed", this.workspaceAnalyticsSidebarCollapsed.toString());
   };
 
+  toggleIssueDetailSidebar = (collapsed?: boolean) => {
+    if(collapsed === undefined) {
+      this.issueDetailSidebarCollapsed = !this.issueDetailSidebarCollapsed;
+    } else {
+      this.issueDetailSidebarCollapsed = collapsed;
+    }
+    localStorage.setItem("issue_detail_sidebar_collapsed", this.issueDetailSidebarCollapsed.toString());
+  }
+
   /**
    * Sets the user theme and applies it to the platform
    * @param _theme