diff --git a/openvidu-server/deployments/ce/docker-compose/docker-compose.yml b/openvidu-server/deployments/ce/docker-compose/docker-compose.yml
index 34ca1c58..92cd6133 100644
--- a/openvidu-server/deployments/ce/docker-compose/docker-compose.yml
+++ b/openvidu-server/deployments/ce/docker-compose/docker-compose.yml
@@ -22,7 +22,7 @@ version: '3.1'
 services:
 
     openvidu-server:
-        image: openvidu/openvidu-server:2.20.0
+        image: openvidu/openvidu-server:2.21.0-dev1
         restart: on-failure
         network_mode: host
         entrypoint: ['/usr/local/bin/entrypoint.sh']
@@ -65,7 +65,7 @@ services:
                 max-size: "${DOCKER_LOGS_MAX_SIZE:-100M}"
 
     redis:
-        image: openvidu/openvidu-redis:3.0.0
+        image: openvidu/openvidu-redis:4.0.0-dev1
         restart: always
         network_mode: host
         environment:
@@ -75,7 +75,7 @@ services:
                 max-size: "${DOCKER_LOGS_MAX_SIZE:-100M}"
 
     coturn:
-        image: openvidu/openvidu-coturn:5.0.0
+        image: openvidu/openvidu-coturn:6.0.0-dev1
         restart: on-failure
         network_mode: host
         environment:
@@ -96,7 +96,7 @@ services:
                 max-size: "${DOCKER_LOGS_MAX_SIZE:-100M}"
 
     nginx:
-        image: openvidu/openvidu-proxy:7.0.0
+        image: openvidu/openvidu-proxy:8.0.0-dev1
         restart: on-failure
         network_mode: host
         volumes:
diff --git a/openvidu-server/deployments/ce/docker-compose/install_openvidu.sh b/openvidu-server/deployments/ce/docker-compose/install_openvidu.sh
index 1770f622..56ba3bda 100755
--- a/openvidu-server/deployments/ce/docker-compose/install_openvidu.sh
+++ b/openvidu-server/deployments/ce/docker-compose/install_openvidu.sh
@@ -50,7 +50,6 @@ new_ov_installation() {
      # Change recording folder with all permissions
      printf "\n     => Adding permission to 'recordings' folder..."
      mkdir -p "${OPENVIDU_FOLDER}/recordings"
-     chmod 777 "${OPENVIDU_FOLDER}/recordings"
 
      # Create own certificated folder
      printf "\n     => Creating folder 'owncert'..."
@@ -239,7 +238,6 @@ upgrade_ov() {
      # Change recording folder with all permissions
      printf "\n     => Adding permission to 'recordings' folder..."
      mkdir -p "${OPENVIDU_PREVIOUS_FOLDER}/recordings"
-     chmod 777 "${OPENVIDU_PREVIOUS_FOLDER}/recordings"
 
      # Define old mode: On Premise or Cloud Formation
      OLD_MODE=$(grep -E "Installation Mode:.*$" "${ROLL_BACK_FOLDER}/docker-compose.yml" | awk '{ print $4,$5 }')
diff --git a/openvidu-server/deployments/enterprise/master-node/docker-compose.override.yml b/openvidu-server/deployments/enterprise/master-node/docker-compose.override.yml
index a068676e..bcf916b9 100644
--- a/openvidu-server/deployments/enterprise/master-node/docker-compose.override.yml
+++ b/openvidu-server/deployments/enterprise/master-node/docker-compose.override.yml
@@ -13,7 +13,7 @@ services:
     #
     # --------------------------------------------------------------
     app:
-        image: openvidu/openvidu-call:2.20.0
+        image: openvidu/openvidu-call:2.21.0-dev1
         restart: on-failure
         network_mode: host
         environment:
diff --git a/openvidu-server/deployments/enterprise/master-node/docker-compose.yml b/openvidu-server/deployments/enterprise/master-node/docker-compose.yml
index d8d4fc3e..8d77ee05 100644
--- a/openvidu-server/deployments/enterprise/master-node/docker-compose.yml
+++ b/openvidu-server/deployments/enterprise/master-node/docker-compose.yml
@@ -22,7 +22,7 @@ version: '3.1'
 services:
 
     openvidu-server:
-        image: openvidu/openvidu-server-pro:2.20.0
+        image: openvidu/openvidu-server-pro:2.21.0-dev1
         restart: on-failure
         network_mode: host
         entrypoint: ['/usr/local/bin/entrypoint.sh']
@@ -56,7 +56,7 @@ services:
                 max-size: "${DOCKER_LOGS_MAX_SIZE:-100M}"
 
     replication-manager:
-        image: openvidu/replication-manager:1.0.0-beta1
+        image: openvidu/replication-manager:2.21.0-dev1
         restart: always
         network_mode: host
         volumes:
@@ -83,7 +83,7 @@ services:
                 max-size: "${DOCKER_LOGS_MAX_SIZE:-100M}"
 
     redis:
-        image: openvidu/openvidu-redis:3.0.0
+        image: openvidu/openvidu-redis:4.0.0-dev1
         restart: always
         network_mode: host
         environment:
@@ -93,7 +93,7 @@ services:
                 max-size: "${DOCKER_LOGS_MAX_SIZE:-100M}"
 
     coturn:
-        image: openvidu/openvidu-coturn:5.0.0
+        image: openvidu/openvidu-coturn:6.0.0-dev1
         restart: on-failure
         network_mode: host
         env_file:
diff --git a/openvidu-server/deployments/enterprise/master-node/install_openvidu_enterprise_master_node.sh b/openvidu-server/deployments/enterprise/master-node/install_openvidu_enterprise_master_node.sh
index 841c1369..cf62fb47 100755
--- a/openvidu-server/deployments/enterprise/master-node/install_openvidu_enterprise_master_node.sh
+++ b/openvidu-server/deployments/enterprise/master-node/install_openvidu_enterprise_master_node.sh
@@ -90,7 +90,6 @@ new_ov_installation() {
      # Change recording folder with all permissions
      printf "\n     => Adding permission to 'recordings' folder..."
      mkdir -p "${OPENVIDU_FOLDER}/recordings"
-     chmod 777 "${OPENVIDU_FOLDER}/recordings"
 
      chmod +x "${AWS_SCRIPTS_FOLDER}/openvidu_autodiscover.sh" || fatal_error "Error while adding permission to 'openvidu_autodiscover.sh' program"
      printf '\n          - openvidu_autodiscover.sh'
@@ -351,7 +350,6 @@ upgrade_ov() {
      # Change recording folder with all permissions
      printf "\n     => Adding permission to 'recordings' folder..."
      mkdir -p "${OPENVIDU_PREVIOUS_FOLDER}/recordings"
-     chmod 777 "${OPENVIDU_PREVIOUS_FOLDER}/recordings"
 
      chmod +x "${OPENVIDU_PREVIOUS_FOLDER}/cluster/aws/openvidu_autodiscover.sh" || fatal_error "Error while adding permission to 'openvidu_autodiscover.sh' program"
      printf '\n          - openvidu_autodiscover.sh'
diff --git a/openvidu-server/deployments/pro/docker-compose/media-node/docker-compose.yml b/openvidu-server/deployments/pro/docker-compose/media-node/docker-compose.yml
index 9b8993f4..1ca9c79e 100644
--- a/openvidu-server/deployments/pro/docker-compose/media-node/docker-compose.yml
+++ b/openvidu-server/deployments/pro/docker-compose/media-node/docker-compose.yml
@@ -16,14 +16,14 @@ version: '3.1'
 
 services:
     media-node-controller:
-        image: openvidu/media-node-controller:5.0.0
+        image: openvidu/media-node-controller:6.0.0-dev1
         restart: always
         ulimits:
             core: -1
         entrypoint: ['/bin/sh', '-c', '/beats/copy_config_files.sh && /usr/local/bin/entrypoint.sh']
         environment:
             - KMS_IMAGE=kurento/kurento-media-server:6.16.0
-            - MEDIASOUP_IMAGE=openvidu/mediasoup-controller:2.20.0-beta2
+            - MEDIASOUP_IMAGE=openvidu/mediasoup-controller:2.21.0-dev1
             - METRICBEAT_IMAGE=docker.elastic.co/beats/metricbeat-oss:7.8.0
             - FILEBEAT_IMAGE=docker.elastic.co/beats/filebeat-oss:7.8.0
             - OPENVIDU_RECORDING_IMAGE=openvidu/openvidu-recording:2.19.0
diff --git a/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/docker-compose.override.yml b/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/docker-compose.override.yml
index a068676e..bcf916b9 100644
--- a/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/docker-compose.override.yml
+++ b/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/docker-compose.override.yml
@@ -13,7 +13,7 @@ services:
     #
     # --------------------------------------------------------------
     app:
-        image: openvidu/openvidu-call:2.20.0
+        image: openvidu/openvidu-call:2.21.0-dev1
         restart: on-failure
         network_mode: host
         environment:
diff --git a/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/install_openvidu_pro.sh b/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/install_openvidu_pro.sh
index 64daa14b..a5e58681 100755
--- a/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/install_openvidu_pro.sh
+++ b/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/install_openvidu_pro.sh
@@ -90,7 +90,6 @@ new_ov_installation() {
      # Change recording folder with all permissions
      printf "\n     => Adding permission to 'recordings' folder..."
      mkdir -p "${OPENVIDU_FOLDER}/recordings"
-     chmod 777 "${OPENVIDU_FOLDER}/recordings"
 
      chmod +x "${AWS_SCRIPTS_FOLDER}/openvidu_autodiscover.sh" || fatal_error "Error while adding permission to 'openvidu_autodiscover.sh' program"
      printf '\n          - openvidu_autodiscover.sh'
@@ -351,7 +350,6 @@ upgrade_ov() {
      # Change recording folder with all permissions
      printf "\n     => Adding permission to 'recordings' folder..."
      mkdir -p "${OPENVIDU_PREVIOUS_FOLDER}/recordings"
-     chmod 777 "${OPENVIDU_PREVIOUS_FOLDER}/recordings"
 
      chmod +x "${OPENVIDU_PREVIOUS_FOLDER}/cluster/aws/openvidu_autodiscover.sh" || fatal_error "Error while adding permission to 'openvidu_autodiscover.sh' program"
      printf '\n          - openvidu_autodiscover.sh'