diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa7d5fbc..7243fe6a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,7 +23,9 @@ If you don't want the chat server to be active, just uninstall the plugin
 
 ### New Features
 
-*
+* Removed deprecated modes, only keeping «Prosody server controlled by Peertube».
+* BOSH proxy optimization + enabling websocket.
+* BOSH path without plugin version, so it can be optimized in the nginx configuration.
 
 ## 5.7.1
 
diff --git a/server/lib/helpers.ts b/server/lib/helpers.ts
index 684b7b02..7eef5e54 100644
--- a/server/lib/helpers.ts
+++ b/server/lib/helpers.ts
@@ -19,6 +19,16 @@ function getBaseRouterRoute (options: RegisterServerOptions): string {
   return options.peertubeHelpers.plugin.getBaseRouterRoute()
 }
 
+/**
+ * Returns the base router route, but without the plugin version.
+ * @param options server options
+ */
+function getBaseRouterCanonicalRoute (options: RegisterServerOptions): string {
+  let route = getBaseRouterRoute(options)
+  route = route.replace(pluginShortName + '/' + version + '/', pluginShortName + '/')
+  return route
+}
+
 function getBaseStaticRoute (options: RegisterServerOptions): string {
   if (!options.peertubeHelpers.plugin) {
     throw new Error('Missing peertubeHelpers.plugin, have you the correct Peertube version?')
@@ -62,6 +72,7 @@ async function getUserNickname (options: RegisterServerOptions, user: AuthUserFi
 
 export {
   getBaseRouterRoute,
+  getBaseRouterCanonicalRoute,
   getBaseStaticRoute,
   isUserAdmin,
   getUserNickname,
diff --git a/server/lib/routers/webchat.ts b/server/lib/routers/webchat.ts
index 23363b52..4e085b3a 100644
--- a/server/lib/routers/webchat.ts
+++ b/server/lib/routers/webchat.ts
@@ -4,7 +4,7 @@ import type { ProxyOptions } from 'express-http-proxy'
 import type {
   ProsodyListRoomsResult, ProsodyListRoomsResultRoom
 } from '../../../shared/lib/types'
-import { getBaseRouterRoute, getBaseStaticRoute, isUserAdmin } from '../helpers'
+import { getBaseRouterRoute, getBaseRouterCanonicalRoute, getBaseStaticRoute, isUserAdmin } from '../helpers'
 import { asyncMiddleware } from '../middlewares/async'
 import { getProsodyDomain } from '../prosody/config/domain'
 import { getAPIKey } from '../apikey'
@@ -76,7 +76,7 @@ async function initWebchatRouter (options: RegisterServerOptions): Promise<Route
           room = '{{VIDEO_UUID}}@room.' + prosodyDomain
         }
       }
-      const boshUri = getBaseRouterRoute(options) + 'webchat/http-bind'
+      const boshUri = getBaseRouterCanonicalRoute(options) + 'webchat/http-bind'
       const wsUri = ''
       authenticationUrl = options.peertubeHelpers.config.getWebserverUrl() +
         getBaseRouterRoute(options) +