diff --git a/Makefile b/Makefile
index 3eebbf716..37659eb1c 100644
--- a/Makefile
+++ b/Makefile
@@ -37,6 +37,7 @@ deploy: install
 	yarn ts-node server/migrate.ts
 	ln -sfn ../data/img ./static/img-local
 	ln -sfn ../data/docs ./static/docs-local
+	yarn ts-node server/sentry.ts
 
 switch:
 	rm -rf cache
diff --git a/nuxt.config.ts b/nuxt.config.ts
index 3f74166ec..21dc2b4f3 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -226,6 +226,7 @@ const nuxtConfig: NuxtConfig = {
             telemetry: false,
         },
         config: {
+            environment: process.env.NODE_ENV === 'production' ? config.locale : process.env.NODE_ENV!,
             attachStacktrace: true,
             initialScope(scope) {
                 scope.setTag('locale', process.env.LOCALE);
diff --git a/server/routes/banner.js b/server/routes/banner.js
index 9d70ca870..533aa42e5 100644
--- a/server/routes/banner.js
+++ b/server/routes/banner.js
@@ -40,7 +40,7 @@ router.get('/banner/:pronounName*.png', handleErrorAsync(async (req, res) => {
     const imageSize = 200;
     let leftRatio = 4;
 
-    const pronounName = req.params.pronounName + req.params[0];
+    const pronounName = (req.params.pronounName + req.params[0]).replace(/(&amp)+$/, '');
 
     const result = await new CacheObject('banner', `${pronounName}.png`, 24 * 60).fetch(async () => {
         const fontName = registerLocaleFont('fontHeadings', ['regular', 'bold']);
diff --git a/server/routes/calendar.js b/server/routes/calendar.js
index 704304e1a..39b497d3f 100644
--- a/server/routes/calendar.js
+++ b/server/routes/calendar.js
@@ -105,6 +105,10 @@ const eventsSummary = (day, locale) => {
     };
 };
 
+const generateURIEncodedPathAlternative = (path) => {
+    return [path, path.replace('@', encodeURIComponent('@'))];
+};
+
 const router = Router();
 
 router.get('/calendar/today', handleErrorAsync(async (req, res) => {
@@ -132,7 +136,7 @@ router.get(`${routeBase}.ics`, handleErrorAsync(async (req, res) => {
     renderEvents(events, res, req.query.only_first_days !== undefined);
 }));
 
-router.get(`${routeBase}-@:username.ics`, handleErrorAsync(async (req, res) => {
+router.get(generateURIEncodedPathAlternative(`${routeBase}-@:username.ics`), handleErrorAsync(async (req, res) => {
     const profiles = await req.db.all(SQL`
         SELECT events, customEvents FROM profiles p
         LEFT JOIN users u ON p.userId = u.id
diff --git a/server/sentry.ts b/server/sentry.ts
new file mode 100644
index 000000000..f2d50b90d
--- /dev/null
+++ b/server/sentry.ts
@@ -0,0 +1,34 @@
+import fs from 'fs';
+
+import SentryCli from '@sentry/cli';
+
+import './setup.ts';
+import { loadSuml } from './loader.ts';
+import allLocales from '../locale/locales.ts';
+import type { Config } from '../locale/config.ts';
+
+const __dirname = new URL('.', import.meta.url).pathname;
+
+async function notifyDeployment(): Promise<void> {
+    if (!process.env.SENTRY_DSN) {
+        process.stdout.write('SENTRY_DSN is not defined, skipping deployment information to Sentry');
+        return;
+    }
+
+    const version = fs.readFileSync(`${__dirname}/../cache/version`, 'utf-8');
+    const config = loadSuml('config') as Config;
+
+    const sentryCli = new SentryCli();
+    await sentryCli.releases.setCommits(version, {
+        auto: true,
+    });
+    await sentryCli.releases.finalize(version);
+    const environment = process.env.NODE_ENV === 'production' ? config.locale : process.env.NODE_ENV!;
+    await sentryCli.releases.newDeploy(version, {
+        env: environment,
+        url: allLocales.find((locale) => locale.code === config.locale)?.url,
+    });
+    process.stdout.write(`Sent deployment information for environment ${environment} to Sentry`);
+}
+
+await notifyDeployment();
diff --git a/src/calendar/helpers.js b/src/calendar/helpers.js
index 0ac78ffbf..ffddf4f1f 100644
--- a/src/calendar/helpers.js
+++ b/src/calendar/helpers.js
@@ -331,7 +331,7 @@ export class Calendar {
 
     getYear(year) {
         year = parseInt(year);
-        if (year < this._minYear || year > this._maxYear) {
+        if (year < this._minYear || year > this._maxYear || Number.isNaN(year)) {
             return null;
         }