diff --git a/apps/frontend/src/components/ui/HCaptcha.vue b/apps/frontend/src/components/ui/HCaptcha.vue
index 3421afa0..bacc2516 100644
--- a/apps/frontend/src/components/ui/HCaptcha.vue
+++ b/apps/frontend/src/components/ui/HCaptcha.vue
@@ -12,17 +12,21 @@ function hCaptchaReady() {
 }
 
 onMounted(() => {
-  window.hCaptchaReady = hCaptchaReady;
+  if (window.hcaptcha) {
+    hCaptchaReady();
+  } else {
+    window.hCaptchaReady = hCaptchaReady;
 
-  useHead({
-    script: [
-      {
-        src: "https://js.hcaptcha.com/1/api.js?render=explicit&onload=hCaptchaReady",
-        async: true,
-        defer: true,
-      },
-    ],
-  });
+    useHead({
+      script: [
+        {
+          src: "https://js.hcaptcha.com/1/api.js?render=explicit&onload=hCaptchaReady",
+          async: true,
+          defer: true,
+        },
+      ],
+    });
+  }
 });
 
 defineExpose({
diff --git a/apps/frontend/src/components/ui/servers/BackupCreateModal.vue b/apps/frontend/src/components/ui/servers/BackupCreateModal.vue
index e0b67486..fc475325 100644
--- a/apps/frontend/src/components/ui/servers/BackupCreateModal.vue
+++ b/apps/frontend/src/components/ui/servers/BackupCreateModal.vue
@@ -17,6 +17,9 @@
           <span class="font-semibold"> Backup #{{ newBackupAmount }}</span>
         </span>
       </div>
+      <div v-if="isRateLimited" class="mt-2 text-sm text-red">
+        You're creating backups too fast. Please wait a moment before trying again.
+      </div>
     </div>
     <div class="mb-1 mt-4 flex justify-start gap-4">
       <ButtonStyled color="brand">
@@ -36,10 +39,9 @@
 </template>
 
 <script setup lang="ts">
-import { ref, nextTick } from "vue";
+import { ref, nextTick, computed } from "vue";
 import { ButtonStyled, NewModal } from "@modrinth/ui";
 import { PlusIcon, XIcon, InfoIcon } from "@modrinth/assets";
-import type { Server } from "~/composables/pyroServers";
 
 const props = defineProps<{
   server: Server<["general", "mods", "backups", "network", "startup", "ws", "fs"]>;
@@ -50,6 +52,7 @@ const emit = defineEmits(["backupCreated"]);
 const modal = ref<InstanceType<typeof NewModal>>();
 const input = ref<HTMLInputElement>();
 const isCreating = ref(false);
+const isRateLimited = ref(false);
 const backupError = ref<string | null>(null);
 const backupName = ref("");
 const newBackupAmount = computed(() =>
@@ -75,14 +78,20 @@ const createBackup = async () => {
   }
 
   isCreating.value = true;
+  isRateLimited.value = false;
   try {
     await props.server.backups?.create(backupName.value);
     await props.server.refresh();
     hideModal();
     emit("backupCreated", { success: true, message: "Backup created successfully" });
   } catch (error) {
-    backupError.value = error instanceof Error ? error.message : String(error);
-    emit("backupCreated", { success: false, message: backupError.value });
+    if (error instanceof PyroFetchError && error.statusCode === 429) {
+      isRateLimited.value = true;
+      backupError.value = "You're creating backups too fast.";
+    } else {
+      backupError.value = error instanceof Error ? error.message : String(error);
+      emit("backupCreated", { success: false, message: backupError.value });
+    }
   } finally {
     isCreating.value = false;
   }
diff --git a/apps/frontend/src/pages/servers/manage/[id].vue b/apps/frontend/src/pages/servers/manage/[id].vue
index 5dc51646..2348558e 100644
--- a/apps/frontend/src/pages/servers/manage/[id].vue
+++ b/apps/frontend/src/pages/servers/manage/[id].vue
@@ -239,6 +239,7 @@
           :is-server-running="isServerRunning"
           :stats="stats"
           :server-power-state="serverPowerState"
+          :power-state-details="powerStateDetails"
           :console-output="throttledConsoleOutput"
           :socket="socket"
           :server="server"
@@ -312,6 +313,8 @@ const ramData = ref<number[]>([]);
 const isActioning = ref(false);
 const isServerRunning = computed(() => serverPowerState.value === "running");
 const serverPowerState = ref<ServerState>("stopped");
+const powerStateDetails = ref<{ oom_killed?: boolean; exit_code?: number }>();
+
 const uptimeSeconds = ref(0);
 const firstConnect = ref(true);
 const copied = ref(false);
@@ -488,7 +491,14 @@ const handleWebSocketMessage = (data: WSEvent) => {
       reauthenticate();
       break;
     case "power-state":
-      updatePowerState(data.state);
+      if (data.state === "crashed") {
+        updatePowerState(data.state, {
+          oom_killed: data.oom_killed,
+          exit_code: data.exit_code,
+        });
+      } else {
+        updatePowerState(data.state);
+      }
       break;
     case "installation-result":
       handleInstallationResult(data);
@@ -606,9 +616,19 @@ const updateStats = (currentStats: Stats["current"]) => {
   };
 };
 
-const updatePowerState = (state: ServerState) => {
-  console.log("Power state:", state);
+const updatePowerState = (
+  state: ServerState,
+  details?: { oom_killed?: boolean; exit_code?: number },
+) => {
+  console.log("Power state:", state, details);
   serverPowerState.value = state;
+
+  if (state === "crashed") {
+    powerStateDetails.value = details;
+  } else {
+    powerStateDetails.value = undefined;
+  }
+
   if (state === "stopped" || state === "crashed") {
     stopUptimeUpdates();
     uptimeSeconds.value = 0;
diff --git a/apps/frontend/src/pages/servers/manage/[id]/backups.vue b/apps/frontend/src/pages/servers/manage/[id]/backups.vue
index af70fda2..ddb55c69 100644
--- a/apps/frontend/src/pages/servers/manage/[id]/backups.vue
+++ b/apps/frontend/src/pages/servers/manage/[id]/backups.vue
@@ -66,7 +66,11 @@
                       : ''
                   "
                   class="w-full sm:w-fit"
-                  :disabled="isServerRunning && !userPreferences.backupWhileRunning"
+                  :disabled="
+                    (isServerRunning && !userPreferences.backupWhileRunning) ||
+                    data.used_backup_quota >= data.backup_quota ||
+                    backups.some((backup) => backup.ongoing)
+                  "
                   @click="showCreateModel"
                 >
                   <PlusIcon class="h-5 w-5" />
@@ -77,6 +81,15 @@
           </div>
         </div>
 
+        <div
+          v-if="backups.some((backup) => backup.ongoing)"
+          data-pyro-server-backup-ongoing
+          class="flex w-full flex-row items-center gap-4 rounded-2xl bg-bg-orange p-4 text-contrast"
+        >
+          A backup is currently being created. This may take a few minutes. This page will
+          automatically refresh when the backup is complete.
+        </div>
+
         <li
           v-for="(backup, index) in backups"
           :key="backup.id"
@@ -246,6 +259,8 @@ const backupSettingsModal = ref<typeof NewModal>();
 const renameBackupName = ref("");
 const currentBackup = ref("");
 
+const refreshInterval = ref<ReturnType<typeof setInterval>>();
+
 const currentBackupDetails = computed(() => {
   return backups.value.find((backup) => backup.id === currentBackup.value);
 });
@@ -319,6 +334,29 @@ const initiateDownload = async (backupId: string) => {
     console.error("Download failed:", error);
   }
 };
+
+onMounted(() => {
+  watchEffect(() => {
+    const hasOngoingBackups = backups.value.some((backup) => backup.ongoing);
+
+    if (refreshInterval.value) {
+      clearInterval(refreshInterval.value);
+      refreshInterval.value = undefined;
+    }
+
+    if (hasOngoingBackups) {
+      refreshInterval.value = setInterval(() => {
+        props.server.refresh(["backups"]);
+      }, 10000);
+    }
+  });
+});
+
+onUnmounted(() => {
+  if (refreshInterval.value) {
+    clearInterval(refreshInterval.value);
+  }
+});
 </script>
 
 <style scoped>
diff --git a/apps/frontend/src/pages/servers/manage/[id]/index.vue b/apps/frontend/src/pages/servers/manage/[id]/index.vue
index a04ca00e..fdca6702 100644
--- a/apps/frontend/src/pages/servers/manage/[id]/index.vue
+++ b/apps/frontend/src/pages/servers/manage/[id]/index.vue
@@ -35,6 +35,31 @@
             </li>
           </div>
         </div>
+        <div v-else-if="props.serverPowerState === 'crashed'" class="flex flex-row gap-4">
+          <IssuesIcon class="hidden h-8 w-8 text-red sm:block" />
+
+          <div class="flex flex-col gap-2">
+            <div class="font-semibold">{{ serverData?.name }} shut down unexpectedly.</div>
+            <div class="font-normal">
+              <template v-if="props.powerStateDetails?.oom_killed">
+                The server stopped because it ran out of memory. There may be a memory leak caused
+                by a mod or plugin, or you may need to upgrade your Modrinth Server.
+              </template>
+              <template v-else-if="props.powerStateDetails?.exit_code !== undefined">
+                We could not automatically determine the specific cause of the crash, but your
+                server exited with code
+                {{ props.powerStateDetails.exit_code }}.
+                {{
+                  props.powerStateDetails.exit_code === 1
+                    ? "There may be a mod or plugin causing the issue, or an issue with your server configuration."
+                    : ""
+                }}
+              </template>
+              <template v-else> We could not determine the specific cause of the crash. </template>
+              <div class="mt-2">You can try restarting the server.</div>
+            </div>
+          </div>
+        </div>
         <div v-else class="flex flex-row gap-4">
           <IssuesIcon class="hidden h-8 w-8 text-red sm:block" />
 
@@ -169,6 +194,10 @@ type ServerProps = {
   stats: Stats;
   consoleOutput: string[];
   serverPowerState: ServerState;
+  powerStateDetails?: {
+    oom_killed?: boolean;
+    exit_code?: number;
+  };
   isServerRunning: boolean;
   server: Server<["general", "mods", "backups", "network", "startup", "ws", "fs"]>;
 };
diff --git a/apps/frontend/src/public/promo-frame-rev-iq.html b/apps/frontend/src/public/promo-frame-rev-iq.html
new file mode 100644
index 00000000..f4d142e7
--- /dev/null
+++ b/apps/frontend/src/public/promo-frame-rev-iq.html
@@ -0,0 +1,84 @@
+<!doctype html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>Modrinth App Ad</title>
+    <script type="module" src="//js.rev.iq" data-domain="modrinth.com"></script>
+    <style>
+      * {
+        margin: 0;
+        padding: 0;
+        overflow: hidden;
+        cursor: pointer;
+      }
+
+      .ads-container {
+        width: 100vw;
+        height: 100vh;
+        overflow: hidden;
+        position: relative;
+      }
+
+      #plus-link {
+        width: 100vw;
+        height: 100vh;
+        position: absolute;
+        top: 0;
+        left: 0;
+        z-index: 0;
+      }
+
+      #modrinth-rail-1 {
+        border-radius: 1rem;
+        position: absolute;
+        left: 0;
+        top: 0;
+        z-index: 2;
+      }
+    </style>
+  </head>
+  <body>
+    <div class="ads-container">
+      <div id="plus-link"></div>
+      <div id="modrinth-rail-1" data-ad="app-rail" />
+    </div>
+    <script>
+      // window.addEventListener(
+      //   "message",
+      //   (event) => {
+      //     if (event.data.modrinthAdClick && window.__TAURI_INTERNALS__) {
+      //       window.__TAURI_INTERNALS__.invoke("plugin:ads|record_ads_click", {});
+      //     }
+      //
+      //     if (event.data.modrinthOpenUrl && window.__TAURI_INTERNALS__) {
+      //       window.__TAURI_INTERNALS__.invoke("plugin:ads|open_link", {
+      //         path: event.data.modrinthOpenUrl,
+      //         origin: event.origin,
+      //       });
+      //     }
+      //   },
+      //   false,
+      // );
+
+      window.addEventListener("mousewheel", (event) => {
+        if (window.__TAURI_INTERNALS__) {
+          window.__TAURI_INTERNALS__.invoke("plugin:ads|scroll_ads_window", {
+            scroll: event.deltaY,
+          });
+        }
+      });
+
+      document.addEventListener("contextmenu", (event) => event.preventDefault());
+
+      const plusLink = document.getElementById("plus-link");
+      plusLink.addEventListener("click", function () {
+        window.__TAURI_INTERNALS__.invoke("plugin:ads|record_ads_click", {});
+        window.__TAURI_INTERNALS__.invoke("plugin:ads|open_link", {
+          path: "https://modrinth.com/plus",
+          origin: "https://modrinth.com",
+        });
+      });
+    </script>
+  </body>
+</html>
diff --git a/apps/frontend/src/types/servers.ts b/apps/frontend/src/types/servers.ts
index 4b19c0b1..626fc1a0 100644
--- a/apps/frontend/src/types/servers.ts
+++ b/apps/frontend/src/types/servers.ts
@@ -167,6 +167,9 @@ export interface WSAuthExpiringEvent {
 export interface WSPowerStateEvent {
   event: "power-state";
   state: ServerState;
+  // if state "crashed"
+  oom_killed?: boolean;
+  exit_code?: number;
 }
 
 export interface WSAuthIncorrectEvent {
diff --git a/apps/labrinth/.env b/apps/labrinth/.env
index 893f80b9..af01d17a 100644
--- a/apps/labrinth/.env
+++ b/apps/labrinth/.env
@@ -86,8 +86,9 @@ SITE_VERIFY_EMAIL_PATH=none
 SITE_RESET_PASSWORD_PATH=none
 SITE_BILLING_PATH=none
 
-BEEHIIV_PUBLICATION_ID=none
-BEEHIIV_API_KEY=none
+SENDY_URL=none
+SENDY_LIST_ID=none
+SENDY_API_KEY=none
 
 ANALYTICS_ALLOWED_ORIGINS='["http://127.0.0.1:3000", "http://localhost:3000", "https://modrinth.com", "https://www.modrinth.com", "*"]'
 
diff --git a/apps/labrinth/src/lib.rs b/apps/labrinth/src/lib.rs
index 091b0998..d2108913 100644
--- a/apps/labrinth/src/lib.rs
+++ b/apps/labrinth/src/lib.rs
@@ -460,8 +460,9 @@ pub fn check_env_vars() -> bool {
     failed |= check_var::<String>("SITE_RESET_PASSWORD_PATH");
     failed |= check_var::<String>("SITE_BILLING_PATH");
 
-    failed |= check_var::<String>("BEEHIIV_PUBLICATION_ID");
-    failed |= check_var::<String>("BEEHIIV_API_KEY");
+    failed |= check_var::<String>("SENDY_URL");
+    failed |= check_var::<String>("SENDY_LIST_ID");
+    failed |= check_var::<String>("SENDY_API_KEY");
 
     if parse_strings_from_var("ANALYTICS_ALLOWED_ORIGINS").is_none() {
         warn!(
diff --git a/apps/labrinth/src/routes/internal/flows.rs b/apps/labrinth/src/routes/internal/flows.rs
index 7cc03b43..c5825aaa 100644
--- a/apps/labrinth/src/routes/internal/flows.rs
+++ b/apps/labrinth/src/routes/internal/flows.rs
@@ -1430,23 +1430,23 @@ pub async fn delete_auth_provider(
     Ok(HttpResponse::NoContent().finish())
 }
 
-pub async fn sign_up_beehiiv(email: &str) -> Result<(), AuthenticationError> {
-    let id = dotenvy::var("BEEHIIV_PUBLICATION_ID")?;
-    let api_key = dotenvy::var("BEEHIIV_API_KEY")?;
+pub async fn sign_up_sendy(email: &str) -> Result<(), AuthenticationError> {
+    let url = dotenvy::var("SENDY_URL")?;
+    let id = dotenvy::var("SENDY_LIST_ID")?;
+    let api_key = dotenvy::var("SENDY_API_KEY")?;
     let site_url = dotenvy::var("SITE_URL")?;
 
+    let mut form = HashMap::new();
+
+    form.insert("api_key", &*api_key);
+    form.insert("email", email);
+    form.insert("list", &*id);
+    form.insert("referrer", &*site_url);
+
     let client = reqwest::Client::new();
     client
-        .post(format!(
-            "https://api.beehiiv.com/v2/publications/{id}/subscriptions"
-        ))
-        .header(AUTHORIZATION, format!("Bearer {}", api_key))
-        .json(&serde_json::json!({
-            "email": email,
-            "utm_source": "modrinth",
-            "utm_medium": "account_creation",
-            "referring_site": site_url,
-        }))
+        .post(format!("{url}/subscribe"))
+        .form(&form)
         .send()
         .await?
         .error_for_status()?
@@ -1578,7 +1578,7 @@ pub async fn create_account_with_password(
     )?;
 
     if new_account.sign_up_newsletter.unwrap_or(false) {
-        sign_up_beehiiv(&new_account.email).await?;
+        sign_up_sendy(&new_account.email).await?;
     }
 
     transaction.commit().await?;
@@ -1678,26 +1678,26 @@ async fn validate_2fa_code(
             .map_err(|_| AuthenticationError::InvalidCredentials)?,
     )
     .map_err(|_| AuthenticationError::InvalidCredentials)?;
-    let token = totp
-        .generate_current()
-        .map_err(|_| AuthenticationError::InvalidCredentials)?;
 
     const TOTP_NAMESPACE: &str = "used_totp";
     let mut conn = redis.connect().await?;
 
     // Check if TOTP has already been used
     if conn
-        .get(TOTP_NAMESPACE, &format!("{}-{}", token, user_id.0))
+        .get(TOTP_NAMESPACE, &format!("{}-{}", input, user_id.0))
         .await?
         .is_some()
     {
         return Err(AuthenticationError::InvalidCredentials);
     }
 
-    if input == token {
+    if totp
+        .check_current(input.as_str())
+        .map_err(|_| AuthenticationError::InvalidCredentials)?
+    {
         conn.set(
             TOTP_NAMESPACE,
-            &format!("{}-{}", token, user_id.0),
+            &format!("{}-{}", input, user_id.0),
             "",
             Some(60),
         )
@@ -2453,7 +2453,7 @@ pub async fn subscribe_newsletter(
     .1;
 
     if let Some(email) = user.email {
-        sign_up_beehiiv(&email).await?;
+        sign_up_sendy(&email).await?;
 
         Ok(HttpResponse::NoContent().finish())
     } else {