diff --git a/README.md b/README.md
index bd74dae..fe2d2ef 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,14 @@ The architectures supported by this image are:
 | arm64 | arm64v8-latest |
 | armhf | arm32v7-latest |
 
+## Version Tags
+
+This image provides various versions that are available via tags. `latest` tag usually provides the latest stable version. Others are considered under development and caution must be exercised when using them.
+
+| Tag | Description |
+| :----: | --- |
+| latest | Stable releases |
+| dev | Prereleases from their GitHub |
 
 ## Usage
 
@@ -211,6 +219,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **05.01.20:** - Add dev tag for prereleases.
 * **23.03.19:** - Switching to new Base images, shift to arm32v7 tag.
 * **11.02.19:** - Add pipeline logic and multi arch.
 * **18.08.18:** - Bump java version to 10, (bionic currently refers to it as version 11).
diff --git a/readme-vars.yml b/readme-vars.yml
index 5fdf29b..2ea6352 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -18,7 +18,10 @@ available_architectures:
   - { arch: "{{ arch_armhf }}", tag: "arm32v7-latest"}
 
 # development version
-development_versions: false
+development_versions: true
+development_versions_items:
+  - { tag: "latest", desc: "Stable releases" }
+  - { tag: "dev", desc: "Prereleases from their GitHub" }
 
 # container parameters
 common_param_env_vars_enabled: true
@@ -53,6 +56,7 @@ app_setup_block: |
 # changelog
 
 changelogs:
+  - { date: "05.01.20:", desc: "Add dev tag for prereleases." }
   - { date: "23.03.19:", desc: "Switching to new Base images, shift to arm32v7 tag." }
   - { date: "11.02.19:", desc: "Add pipeline logic and multi arch." }
   - { date: "18.08.18:", desc: "Bump java version to 10, (bionic currently refers to it as version 11)." }