docs: update vrs-python and vrs version correspondences (#324)

README.md

@@ -25,20 +25,29 @@ This repository contains several related components:
 # VRS-Python and VRS Version Correspondence
 
 The ga4gh/vrs-python repo embeds the ga4gh/vrs repo as a git submodule, and
-therefore each ga4gh.vrs package on PyPi embeds a particular version of VRS. The
-correspondences between the packages may be summarized as:
+therefore each ga4gh.vrs package on PyPI embeds a particular version of VRS. The
+correspondences between the packages that are **currently maintained** may be summarized as:
 
-| vrs-python branch                                     | vrs branch                                                               |
-| ----------------------------------------------------- | ------------------------------------------------------------------------ |
-| [main](https://github.com/ga4gh/vrs-python/tree/main) | [main](https://github.com/ga4gh/vrs/tree/main)                           |
-| [0.6](https://github.com/ga4gh/vrs-python/tree/0.6)   | [1.1](https://github.com/ga4gh/vrs/tree/1.1)                             |
-| [0.7](https://github.com/ga4gh/vrs-python/tree/0.7)   | [1.2](https://github.com/ga4gh/vrs/tree/1.2)                             |
-| [0.8](https://github.com/ga4gh/vrs-python/tree/0.8)   | [1.3](https://github.com/ga4gh/vrs/tree/1.3)                             |
-| [0.9](https://github.com/ga4gh/vrs-python/tree/0.9)   | [metaschema-update](https://github.com/ga4gh/vrs/tree/metaschema-update) |
+| vrs-python branch | vrs-python tag/version | vrs branch | vrs version |
+| --- | --- | --- | --- |
+| [2.x](https://github.com/ga4gh/vrs-python/tree/2.x) _(default branch)_ | 2.x | [2.x](https://github.com/ga4gh/vrs/tree/2.x) | 2.x
+| [1.x](https://github.com/ga4gh/vrs-python/tree/1.x) | 0.8.x | [1.x](https://github.com/ga4gh/vrs/tree/1.x) | 1.x |
+
+⚠ **Note: Only 2.x branch is being actively maintained. The 1.x branch will only be maintained for bug fixes.** 
 
 ⚠ **Developers: See the development section below for recommendations for using submodules
 gracefully (and without causing problems for others!).**
 
+## Previous VRS-Python and VRS Version Correspondence
+
+The correspondences between the packages that are **no longer maintained** may be summarized as:
+
+| vrs-python branch | vrs-python tag/version | vrs branch | vrs version |
+| --- | --- | --- | --- |
+| [0.6](https://github.com/ga4gh/vrs-python/tree/0.6) | 0.6.x | [1.1](https://github.com/ga4gh/vrs/tree/1.1) | 1.1.x |
+| [0.7](https://github.com/ga4gh/vrs-python/tree/0.7) | 0.7.x | [1.2](https://github.com/ga4gh/vrs/tree/1.2) | 1.2.x |
+| [0.9](https://github.com/ga4gh/vrs-python/tree/0.9) | 0.9.x | [metaschema-update](https://github.com/ga4gh/vrs/tree/metaschema-update) | N/A |
+
 # Pre-requisite
 
 [Python 3.10](https://www.python.org/downloads/release/python-3100/)