Update tag in docs and files [skip ci]

Author: selenium-ci

.github/ISSUE_TEMPLATE.md

@@ -41,7 +41,7 @@ Issues without a reproduction script are likely to stall and eventually be close
 ## Environment
 
 OS: <!-- Windows 10? OSX? -->
-Docker-Selenium image version: <!-- 3, 3.141, 4.0.0-beta-2-20210319 etc
+Docker-Selenium image version: <!-- 3, 3.141, 4.0.0-beta-3-prerelease-20210319 etc
 Also provide the docker image id 
 -->
 Docker version: 

.github/ISSUE_TEMPLATE/bug.md

@@ -41,7 +41,7 @@ Issues without a reproduction script are likely to stall and eventually be close
 ## Environment
 
 OS: <!-- Windows 10? OSX? -->
-Docker-Selenium image version: <!-- 3, 3.141, 4.0.0-beta-2-20210319 etc
+Docker-Selenium image version: <!-- 3, 3.141, 4.0.0-beta-3-prerelease-20210319 etc
 Also provide the docker image id 
 -->
 Docker version: 

.github/ISSUE_TEMPLATE/regression.md

@@ -47,7 +47,7 @@ Issues without a reproduction script are likely to stall and eventually be close
 ## Environment
 
 OS: <!-- Windows 10? OSX? -->
-Docker-Selenium image version: <!-- 3, 3.141, 4.0.0-beta-2-20210319 etc
+Docker-Selenium image version: <!-- 3, 3.141, 4.0.0-beta-3-prerelease-20210319 etc
 Also provide the docker image id 
 -->
 Docker version: 

Distributor/Dockerfile

@@ -2,7 +2,7 @@
 # NOTE: DO *NOT* EDIT THIS FILE.  IT IS GENERATED.
 # PLEASE UPDATE Dockerfile.txt INSTEAD OF THIS FILE
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-FROM selenium/base:4.0.0-beta-2-20210319
+FROM selenium/base:4.0.0-beta-3-prerelease-20210319
 LABEL authors=SeleniumHQ
 
 USER 1200

EventBus/Dockerfile

@@ -2,7 +2,7 @@
 # NOTE: DO *NOT* EDIT THIS FILE.  IT IS GENERATED.
 # PLEASE UPDATE Dockerfile.txt INSTEAD OF THIS FILE
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-FROM selenium/base:4.0.0-beta-2-20210319
+FROM selenium/base:4.0.0-beta-3-prerelease-20210319
 LABEL authors=SeleniumHQ
 
 USER 1200

Hub/Dockerfile

@@ -2,7 +2,7 @@
 # NOTE: DO *NOT* EDIT THIS FILE.  IT IS GENERATED.
 # PLEASE UPDATE Dockerfile.txt INSTEAD OF THIS FILE
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-FROM selenium/base:4.0.0-beta-2-20210319
+FROM selenium/base:4.0.0-beta-3-prerelease-20210319
 LABEL authors=SeleniumHQ
 
 USER 1200

NodeBase/Dockerfile

@@ -2,7 +2,7 @@
 # NOTE: DO *NOT* EDIT THIS FILE.  IT IS GENERATED.
 # PLEASE UPDATE Dockerfile.txt INSTEAD OF THIS FILE
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-FROM selenium/base:4.0.0-beta-2-20210319
+FROM selenium/base:4.0.0-beta-3-prerelease-20210319
 LABEL authors=SeleniumHQ
 
 USER root

NodeChrome/Dockerfile

@@ -2,7 +2,7 @@
 # NOTE: DO *NOT* EDIT THIS FILE.  IT IS GENERATED.
 # PLEASE UPDATE Dockerfile.txt INSTEAD OF THIS FILE
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-FROM selenium/node-base:4.0.0-beta-2-20210319
+FROM selenium/node-base:4.0.0-beta-3-prerelease-20210319
 LABEL authors=SeleniumHQ
 
 USER root

NodeDocker/Dockerfile

@@ -2,7 +2,7 @@
 # NOTE: DO *NOT* EDIT THIS FILE.  IT IS GENERATED.
 # PLEASE UPDATE Dockerfile.txt INSTEAD OF THIS FILE
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-FROM selenium/base:4.0.0-beta-2-20210319
+FROM selenium/base:4.0.0-beta-3-prerelease-20210319
 LABEL authors=SeleniumHQ
 
 USER 1200

NodeDocker/config.toml

@@ -2,10 +2,10 @@
 # Configs have a mapping between the Docker image to use and the capabilities that need to be matched to
 # start a container with the given image.
 configs = [
-    "selenium/standalone-firefox:4.0.0-beta-2-20210319", "{\"browserName\": \"firefox\"}",
-    "selenium/standalone-chrome:4.0.0-beta-2-20210319", "{\"browserName\": \"chrome\"}",
-    "selenium/standalone-opera:4.0.0-beta-2-20210319", "{\"browserName\": \"opera\"}",
-    "selenium/standalone-edge:4.0.0-beta-2-20210319", "{\"browserName\": \"MicrosoftEdge\"}"
+    "selenium/standalone-firefox:4.0.0-beta-3-prerelease-20210319", "{\"browserName\": \"firefox\"}",
+    "selenium/standalone-chrome:4.0.0-beta-3-prerelease-20210319", "{\"browserName\": \"chrome\"}",
+    "selenium/standalone-opera:4.0.0-beta-3-prerelease-20210319", "{\"browserName\": \"opera\"}",
+    "selenium/standalone-edge:4.0.0-beta-3-prerelease-20210319", "{\"browserName\": \"MicrosoftEdge\"}"
     ]
 
 # URL for connecting to the docker daemon

NodeEdge/Dockerfile

@@ -2,7 +2,7 @@
 # NOTE: DO *NOT* EDIT THIS FILE.  IT IS GENERATED.
 # PLEASE UPDATE Dockerfile.txt INSTEAD OF THIS FILE
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-FROM selenium/node-base:4.0.0-beta-2-20210319
+FROM selenium/node-base:4.0.0-beta-3-prerelease-20210319
 LABEL authors=SeleniumHQ
 
 USER root

NodeFirefox/Dockerfile

@@ -2,7 +2,7 @@
 # NOTE: DO *NOT* EDIT THIS FILE.  IT IS GENERATED.
 # PLEASE UPDATE Dockerfile.txt INSTEAD OF THIS FILE
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-FROM selenium/node-base:4.0.0-beta-2-20210319
+FROM selenium/node-base:4.0.0-beta-3-prerelease-20210319
 LABEL authors=SeleniumHQ
 
 USER root

NodeOpera/Dockerfile

@@ -5,7 +5,7 @@
 FROM ubuntu:bionic AS builder-codecs-ffmpeg
 RUN apt-get update -qqy && apt-get -qqy install chromium-codecs-ffmpeg-extra
 
-FROM selenium/node-base:4.0.0-beta-2-20210319
+FROM selenium/node-base:4.0.0-beta-3-prerelease-20210319
 LABEL authors=SeleniumHQ
 
 USER root

README.md

@@ -11,7 +11,7 @@ We are doing prereleases on a regular basis to get early feedback. This means th
 can be currently at a different alpha version (e.g. bindings on Beta 1, and Docker images on prerelease Beta 2).
 
 Docker images for Grid 4 come with a handful of tags to simplify its usage, have a look at them in one of 
-our [prereleases](https://github.com/SeleniumHQ/docker-selenium/releases/tag/4.0.0-beta-2-20210319)
+our [prereleases](https://github.com/SeleniumHQ/docker-selenium/releases/tag/4.0.0-beta-3-prerelease-20210319)
 
 To get notifications of new prereleases, add yourself as a watcher of "Releases only". 
 
@@ -31,9 +31,9 @@ https://www.selenium.dev/support/
 1. Start a Docker container with Firefox
 
 ``` bash
-$ docker run -d -p 4444:4444 --shm-size 2g selenium/standalone-firefox:4.0.0-beta-2-20210319
+$ docker run -d -p 4444:4444 --shm-size 2g selenium/standalone-firefox:4.0.0-beta-3-prerelease-20210319
 # OR
-$ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-firefox:4.0.0-beta-2-20210319
+$ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-firefox:4.0.0-beta-3-prerelease-20210319
 ```
 
 2. Point your WebDriver tests to http://localhost:4444/wd/hub
@@ -60,22 +60,22 @@ ___
 
 ![Firefox](https://raw.githubusercontent.com/alrra/browser-logos/main/src/firefox/firefox_24x24.png) Firefox 
 ``` bash
-$ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-firefox:4.0.0-beta-2-20210319
+$ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-firefox:4.0.0-beta-3-prerelease-20210319
 ```
 
 ![Chrome](https://raw.githubusercontent.com/alrra/browser-logos/main/src/chrome/chrome_24x24.png) Chrome 
 ``` bash
-$ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-chrome:4.0.0-beta-2-20210319
+$ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-chrome:4.0.0-beta-3-prerelease-20210319
 ```
 
 ![Opera](https://raw.githubusercontent.com/alrra/browser-logos/main/src/opera/opera_24x24.png) Opera 
 ``` bash
-$ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-opera:4.0.0-beta-2-20210319
+$ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-opera:4.0.0-beta-3-prerelease-20210319
 ```
 
 ![Edge](https://raw.githubusercontent.com/alrra/browser-logos/main/src/edge/edge_24x24.png) Microsoft Edge
 ``` bash
-$ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-edge:4.0.0-beta-2-20210319
+$ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-edge:4.0.0-beta-3-prerelease-20210319
 ```
 
 _Note: Only one Standalone container can run on port_ `4444` _at the same time._
@@ -92,27 +92,27 @@ A Docker [network](https://docs.docker.com/engine/reference/commandline/network_
 
 ``` bash
 $ docker network create grid
-$ docker run -d -p 4442-4444:4442-4444 --net grid --name selenium-hub selenium/hub:4.0.0-beta-2-20210319
+$ docker run -d -p 4442-4444:4442-4444 --net grid --name selenium-hub selenium/hub:4.0.0-beta-3-prerelease-20210319
 $ docker run -d --net grid -e SE_EVENT_BUS_HOST=selenium-hub \
     -e SE_EVENT_BUS_PUBLISH_PORT=4442 \
     -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
     -v /dev/shm:/dev/shm \
-    selenium/node-chrome:4.0.0-beta-2-20210319
+    selenium/node-chrome:4.0.0-beta-3-prerelease-20210319
 $ docker run -d --net grid -e SE_EVENT_BUS_HOST=selenium-hub \
     -e SE_EVENT_BUS_PUBLISH_PORT=4442 \
     -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
     -v /dev/shm:/dev/shm \
-    selenium/node-edge:4.0.0-beta-2-20210319
+    selenium/node-edge:4.0.0-beta-3-prerelease-20210319
 $ docker run -d --net grid -e SE_EVENT_BUS_HOST=selenium-hub \
     -e SE_EVENT_BUS_PUBLISH_PORT=4442 \
     -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
     -v /dev/shm:/dev/shm \
-    selenium/node-firefox:4.0.0-beta-2-20210319
+    selenium/node-firefox:4.0.0-beta-3-prerelease-20210319
 $ docker run -d --net grid -e SE_EVENT_BUS_HOST=selenium-hub \
     -e SE_EVENT_BUS_PUBLISH_PORT=4442 \
     -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
     -v /dev/shm:/dev/shm \
-    selenium/node-opera:4.0.0-beta-2-20210319
+    selenium/node-opera:4.0.0-beta-3-prerelease-20210319
 ```
 
 When you are done using the Grid, and the containers have exited, the network can be removed with the following command:
@@ -128,7 +128,7 @@ communicate properly.
 
 Hub - Machine/VM 1
 ``` bash
-$ docker run -d -p 4442-4444:4442-4444 --name selenium-hub selenium/hub:4.0.0-beta-2-20210319
+$ docker run -d -p 4442-4444:4442-4444 --name selenium-hub selenium/hub:4.0.0-beta-3-prerelease-20210319
 ```
 
 Node Chrome - Machine/VM 2
@@ -139,7 +139,7 @@ $ docker run -d -p 5555:5555
     -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
     -e SE_NODE_HOST=<ip-from-machine-2> \
     -v /dev/shm:/dev/shm \
-    selenium/node-chrome:4.0.0-beta-2-20210319
+    selenium/node-chrome:4.0.0-beta-3-prerelease-20210319
 ```
 
 Node Edge - Machine/VM 3
@@ -150,7 +150,7 @@ $ docker run -d -p 5555:5555
     -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
     -e SE_NODE_HOST=<ip-from-machine-3> \
     -v /dev/shm:/dev/shm \
-    selenium/node-edge:4.0.0-beta-2-20210319
+    selenium/node-edge:4.0.0-beta-3-prerelease-20210319
 ```
 
 Node Firefox - Machine/VM 4
@@ -161,7 +161,7 @@ $ docker run -d -p 5555:5555
     -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
     -e SE_NODE_HOST=<ip-from-machine-4> \
     -v /dev/shm:/dev/shm \
-    selenium/node-firefox:4.0.0-beta-2-20210319
+    selenium/node-firefox:4.0.0-beta-3-prerelease-20210319
 ```
 
 Node Opera - Machine/VM 5
@@ -172,7 +172,7 @@ $ docker run -d -p 5555:5555
     -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
     -e SE_NODE_HOST=<ip-from-machine-5> \
     -v /dev/shm:/dev/shm \
-    selenium/node-opera:4.0.0-beta-2-20210319
+    selenium/node-opera:4.0.0-beta-3-prerelease-20210319
 ```
 
 ### Docker Compose
@@ -230,7 +230,7 @@ This example shows how to start the containers manually:
 
 ``` bash
 $ docker network create grid
-$ docker run -d -p 4444:4444 -p 6900:5900 --net grid --name selenium -v /dev/shm:/dev/shm selenium/standalone-chrome:4.0.0-beta-2-20210319
+$ docker run -d -p 4444:4444 -p 6900:5900 --net grid --name selenium -v /dev/shm:/dev/shm selenium/standalone-chrome:4.0.0-beta-3-prerelease-20210319
 $ docker run -d --net grid --name video -v /tmp/videos:/videos selenium/video:ffmpeg-4.3.1-20210319
 # Run your tests
 $ docker stop video && docker rm video
@@ -262,10 +262,10 @@ You can save this file locally and name it, for example, `config.toml`.
 # Configs have a mapping between the Docker image to use and the capabilities that need to be matched to
 # start a container with the given image.
 configs = [
-    "selenium/standalone-firefox:4.0.0-beta-2-20210319", "{\"browserName\": \"firefox\"}",
-    "selenium/standalone-chrome:4.0.0-beta-2-20210319", "{\"browserName\": \"chrome\"}",
-    "selenium/standalone-opera:4.0.0-beta-2-20210319", "{\"browserName\": \"operablink\"}",
-    "selenium/standalone-edge:4.0.0-beta-2-20210319", "{\"browserName\": \"msedge\"}"
+    "selenium/standalone-firefox:4.0.0-beta-3-prerelease-20210319", "{\"browserName\": \"firefox\"}",
+    "selenium/standalone-chrome:4.0.0-beta-3-prerelease-20210319", "{\"browserName\": \"chrome\"}",
+    "selenium/standalone-opera:4.0.0-beta-3-prerelease-20210319", "{\"browserName\": \"operablink\"}",
+    "selenium/standalone-edge:4.0.0-beta-3-prerelease-20210319", "{\"browserName\": \"msedge\"}"
     ]
 
 # URL for connecting to the docker daemon
@@ -292,13 +292,13 @@ virtual machines.
 
 ``` bash
 $ docker network create grid
-$ docker run -d -p 4442-4444:4442-4444 --net grid --name selenium-hub selenium/hub:4.0.0-beta-2-20210319
+$ docker run -d -p 4442-4444:4442-4444 --net grid --name selenium-hub selenium/hub:4.0.0-beta-3-prerelease-20210319
 $ docker run -d --net grid -e SE_EVENT_BUS_HOST=selenium-hub \
     -e SE_EVENT_BUS_PUBLISH_PORT=4442 \
     -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
     -v ${PWD}/config.toml:/opt/bin/config.toml \
     -v /path/on/your/host/machine:/opt/selenium/assets \
-    selenium/node-docker:4.0.0-beta-2-20210319
+    selenium/node-docker:4.0.0-beta-3-prerelease-20210319
 ```
 
 To have the assets saved on your host, please mount your host path to `/opt/selenium/assets`.
@@ -316,7 +316,7 @@ $ docker network rm grid
 docker run --rm -ti --name selenium-docker -p 4444:4444 \
     -v ${PWD}/config.toml:/opt/bin/config.toml \
     -v /path/on/your/host/machine:/opt/selenium/assets \
-    selenium/standalone-docker:4.0.0-beta-2-20210319
+    selenium/standalone-docker:4.0.0-beta-3-prerelease-20210319
 ```
 
 To have the assets saved on your host, please mount your host path to `/opt/selenium/assets`.
@@ -374,15 +374,15 @@ ___
 You can pass `SE_OPTS` variable with additional commandline parameters for starting a hub or a node.
 
 ``` bash
-$ docker run -d -p 4444:4444 -e SE_OPTS="--log-level FINE" --name selenium-hub selenium/hub:4.0.0-beta-2-20210319
+$ docker run -d -p 4444:4444 -e SE_OPTS="--log-level FINE" --name selenium-hub selenium/hub:4.0.0-beta-3-prerelease-20210319
 ```
 
 ### JAVA_OPTS Java Environment Options
 
 You can pass `JAVA_OPTS` environment variable to java process.
 
 ``` bash
-$ docker run -d -p 4444:4444 -e JAVA_OPTS=-Xmx512m --name selenium-hub selenium/hub:4.0.0-beta-2-20210319
+$ docker run -d -p 4444:4444 -e JAVA_OPTS=-Xmx512m --name selenium-hub selenium/hub:4.0.0-beta-3-prerelease-20210319
 ```
 
 ### Node configuration options
@@ -398,7 +398,7 @@ variables.
 Here is an example with the default values of these environment variables:
 
 ```bash
-$ docker run -d --e SE_EVENT_BUS_HOST=<event_bus_ip|event_bus_name> -e SE_EVENT_BUS_PUBLISH_PORT=4442 -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 -v /dev/shm:/dev/shm selenium/node-chrome:4.0.0-beta-2-20210319
+$ docker run -d --e SE_EVENT_BUS_HOST=<event_bus_ip|event_bus_name> -e SE_EVENT_BUS_PUBLISH_PORT=4442 -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 -v /dev/shm:/dev/shm selenium/node-chrome:4.0.0-beta-3-prerelease-20210319
 ```
 
 ### Setting Screen Resolution
@@ -461,11 +461,11 @@ current one._
 
 ``` bash
 $ docker network create grid
-$ docker run -d -p 4442-4444:4442-4444 --net grid --name selenium-hub selenium/hub:4.0.0-beta-2-20210319
+$ docker run -d -p 4442-4444:4442-4444 --net grid --name selenium-hub selenium/hub:4.0.0-beta-3-prerelease-20210319
 $ docker run -d --net grid -e SE_EVENT_BUS_HOST=selenium-hub \
     -e SE_EVENT_BUS_PUBLISH_PORT=4442 -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
     -v /dev/shm:/dev/shm \
-    -v /e2e/uploads:/e2e/uploads selenium/node-firefox:4.0.0-beta-2-20210319
+    -v /e2e/uploads:/e2e/uploads selenium/node-firefox:4.0.0-beta-3-prerelease-20210319
 ```
 
 _Note:_ `-v /e2e/uploads:/e2e/uploads` _is optional in case you are testing browser uploads on your 
@@ -546,11 +546,11 @@ $ docker network create grid
 $ docker run -d -p 4444:4444 --net grid --name selenium-hub \
     --health-cmd='/opt/bin/check-grid.sh --host 0.0.0.0 --port 4444' \
     --health-interval=15s --health-timeout=30s --health-retries=5 \
-    selenium/hub:4.0.0-beta-2-20210319
-$ docker run -d --net grid -e HUB_HOST=selenium-hub -v /dev/shm:/dev/shm selenium/node-chrome:4.0.0-beta-2-20210319
-$ docker run -d --net grid -e HUB_HOST=selenium-hub -v /dev/shm:/dev/shm selenium/node-edge:4.0.0-beta-2-20210319
-$ docker run -d --net grid -e HUB_HOST=selenium-hub -v /dev/shm:/dev/shm selenium/node-firefox:4.0.0-beta-2-20210319
-$ docker run -d --net grid -e HUB_HOST=selenium-hub -v /dev/shm:/dev/shm selenium/node-opera:4.0.0-beta-2-20210319
+    selenium/hub:4.0.0-beta-3-prerelease-20210319
+$ docker run -d --net grid -e HUB_HOST=selenium-hub -v /dev/shm:/dev/shm selenium/node-chrome:4.0.0-beta-3-prerelease-20210319
+$ docker run -d --net grid -e HUB_HOST=selenium-hub -v /dev/shm:/dev/shm selenium/node-edge:4.0.0-beta-3-prerelease-20210319
+$ docker run -d --net grid -e HUB_HOST=selenium-hub -v /dev/shm:/dev/shm selenium/node-firefox:4.0.0-beta-3-prerelease-20210319
+$ docker run -d --net grid -e HUB_HOST=selenium-hub -v /dev/shm:/dev/shm selenium/node-opera:4.0.0-beta-3-prerelease-20210319
 ```
 **Note:** The `\` line delimiter won't work on Windows based terminals, try either `^` or a backtick.
 
@@ -614,10 +614,10 @@ running inside the container.
 
 Here is an example with the standalone images, the same concept applies to the node images.
 ``` bash
-$ docker run -d -p 4444:4444 -p 5900:5900 -v /dev/shm:/dev/shm selenium/standalone-chrome:4.0.0-beta-2-20210319
-$ docker run -d -p 4444:4444 -p 5900:5900 -v /dev/shm:/dev/shm selenium/standalone-edge:4.0.0-beta-2-20210319
-$ docker run -d -p 4445:4444 -p 5901:5900 -v /dev/shm:/dev/shm selenium/standalone-firefox:4.0.0-beta-2-20210319
-$ docker run -d -p 4446:4444 -p 5902:5900 -v /dev/shm:/dev/shm selenium/standalone-opera:4.0.0-beta-2-20210319
+$ docker run -d -p 4444:4444 -p 5900:5900 -v /dev/shm:/dev/shm selenium/standalone-chrome:4.0.0-beta-3-prerelease-20210319
+$ docker run -d -p 4444:4444 -p 5900:5900 -v /dev/shm:/dev/shm selenium/standalone-edge:4.0.0-beta-3-prerelease-20210319
+$ docker run -d -p 4445:4444 -p 5901:5900 -v /dev/shm:/dev/shm selenium/standalone-firefox:4.0.0-beta-3-prerelease-20210319
+$ docker run -d -p 4446:4444 -p 5902:5900 -v /dev/shm:/dev/shm selenium/standalone-opera:4.0.0-beta-3-prerelease-20210319
 ```
 
 Then, you would use in your VNC client:
@@ -635,10 +635,10 @@ When you are prompted for the password it is `secret`. If you wish to change thi
 it in the `/NodeBase/Dockerfile` and build the images yourself, or you can define a Docker image that derives from 
 the posted ones which reconfigures it:
 ``` dockerfile
-#FROM selenium/node-chrome:4.0.0-beta-2-20210319
-#FROM selenium/node-edge:4.0.0-beta-2-20210319
-#FROM selenium/node-firefox:4.0.0-beta-2-20210319
-#FROM selenium/node-opera:4.0.0-beta-2-20210319
+#FROM selenium/node-chrome:4.0.0-beta-3-prerelease-20210319
+#FROM selenium/node-edge:4.0.0-beta-3-prerelease-20210319
+#FROM selenium/node-firefox:4.0.0-beta-3-prerelease-20210319
+#FROM selenium/node-opera:4.0.0-beta-3-prerelease-20210319
 #Choose the FROM statement that works for you.
 
 RUN x11vnc -storepasswd <your-password-here> /home/seluser/.vnc/passwd

Router/Dockerfile

@@ -2,7 +2,7 @@
 # NOTE: DO *NOT* EDIT THIS FILE.  IT IS GENERATED.
 # PLEASE UPDATE Dockerfile.txt INSTEAD OF THIS FILE
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-FROM selenium/base:4.0.0-beta-2-20210319
+FROM selenium/base:4.0.0-beta-3-prerelease-20210319
 LABEL authors=SeleniumHQ
 
 USER 1200