diff --git a/README.md b/README.md
index 3a8ef6b4..0434cdb8 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 [![stable version](https://img.shields.io/badge/stable_version-2.6.5-blue.svg?maxAge=60&style=flat) ](https://github.com/croneter/binary_repo/raw/master/stable/repository.plexkodiconnect/repository.plexkodiconnect-1.0.2.zip) 
-[![beta version](https://img.shields.io/badge/beta_version-2.6.5-red.svg?maxAge=60&style=flat) ](https://github.com/croneter/binary_repo/raw/master/beta/repository.plexkodiconnectbeta/repository.plexkodiconnectbeta-1.0.2.zip)
+[![beta version](https://img.shields.io/badge/beta_version-2.6.6-red.svg?maxAge=60&style=flat) ](https://github.com/croneter/binary_repo/raw/master/beta/repository.plexkodiconnectbeta/repository.plexkodiconnectbeta-1.0.2.zip)
 
 [![Installation](https://img.shields.io/badge/wiki-installation-brightgreen.svg?maxAge=60&style=flat)](https://github.com/croneter/PlexKodiConnect/wiki/Installation)
 [![FAQ](https://img.shields.io/badge/wiki-FAQ-brightgreen.svg?maxAge=60&style=flat)](https://github.com/croneter/PlexKodiConnect/wiki/faq)
diff --git a/addon.xml b/addon.xml
index 38f26907..a85fcaa8 100644
--- a/addon.xml
+++ b/addon.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<addon  id="plugin.video.plexkodiconnect" name="PlexKodiConnect" version="2.6.5" provider-name="croneter">
+<addon  id="plugin.video.plexkodiconnect" name="PlexKodiConnect" version="2.6.6" provider-name="croneter">
   <requires>
     <import addon="xbmc.python" version="2.1.0"/>
     <import addon="script.module.requests" version="2.9.1" />
@@ -77,7 +77,15 @@
     <summary lang="uk_UA">Нативна інтеграція Plex в Kodi</summary>
     <description lang="uk_UA">Підключає Kodi до серверу Plex. Цей плагін передбачає, що ви керуєте всіма своїми відео за допомогою Plex (і ніяк не Kodi). Ви можете втратити дані, які вже зберігаються у відео та музичних БД Kodi (оскільки цей плагін безпосередньо їх змінює). Використовуйте на свій страх і ризик!</description>
     <disclaimer lang="uk_UA">Використовуйте на свій ризик</disclaimer>
-    <news>version 2.6.5:
+    <news>version 2.6.6 (beta only):
+- WARNING: You will need to reset the Kodi database!
+- Greatly speed up sync for episodes, especially for large libraries
+- Allow websocket redirects. Never allow insecure HTTPs connections for Kodi Leia
+- Optimize headers for communication with PMS to appear like a Plex Media Player
+- Fix PMS log entries 'Unable to find client profile for device'
+- Improve sync dialog
+
+version 2.6.5:
 - Fix extras not playing
 - Hide "Verify SSL certificate" setting for Kodi 18 Krypton
 - Improve logging
diff --git a/changelog.txt b/changelog.txt
index 5a9b1cd2..d0fb7698 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,11 @@
+version 2.6.6 (beta only):
+- WARNING: You will need to reset the Kodi database!
+- Greatly speed up sync for episodes, especially for large libraries
+- Allow websocket redirects. Never allow insecure HTTPs connections for Kodi Leia
+- Optimize headers for communication with PMS to appear like a Plex Media Player
+- Fix PMS log entries 'Unable to find client profile for device'
+- Improve sync dialog
+
 version 2.6.5:
 - Fix extras not playing
 - Hide "Verify SSL certificate" setting for Kodi 18 Krypton
diff --git a/resources/lib/variables.py b/resources/lib/variables.py
index 08f92915..dde18908 100644
--- a/resources/lib/variables.py
+++ b/resources/lib/variables.py
@@ -97,7 +97,7 @@ COMPANION_PORT = int(_ADDON.getSetting('companionPort'))
 PKC_MACHINE_IDENTIFIER = None
 
 # Minimal PKC version needed for the Kodi database - otherwise need to recreate
-MIN_DB_VERSION = '2.6.1'
+MIN_DB_VERSION = '2.6.6'
 
 # Supported databases
 SUPPORTED_VIDEO_DB = {