Update README.md

Author: Maikuolan

README.md

@@ -94,17 +94,17 @@ __*Screenshot:*__
 
 ### Current major version development status:
 
-⬇Stage reached⬇ ➡Major version➡ | v0 | v1 | v2 | v3
-:--|:-:|:-:|:-:|:-:
-Pre-Alpha<em><br />- Exploring early concepts/ideas. No code written/available yet.</em> | ✔ | ✔ | ✔ | ✔
-Alpha<em><br />- Branched, but unstable. Not production-ready (high risk if used).</em> | ✔ | ✔ | ✔ | ✔
-Beta<em><br />- Branched, but unstable. Not production-ready (low risk if used).</em> | ✔ | ✔ | ✔ | ✔
-Stable<em><br />- First production-ready version has been tagged/released.</em> | ✔ | ✔ | ✔ | ✔
+⬇Stage reached⬇ ➡Major version➡ | v0 | v1 | v2~v3
+:--|:-:|:-:|:-:
+Pre-Alpha<em><br />- Exploring early concepts/ideas. No code written/available yet.</em> | ✔ | ✔ | ✔
+Alpha<em><br />- Branched, but unstable. Not production-ready (high risk if used).</em> | ✔ | ✔ | ✔
+Beta<em><br />- Branched, but unstable. Not production-ready (low risk if used).</em> | ✔ | ✔ | ✔
+Stable<em><br />- First production-ready version has been tagged/released.</em> | ✔ | ✔ | ✔
 Mature<em><br />- Multiple stable versions/releases exist.</em> | ✔ | ✔ | ✔
 Locked<em><br />- Still maintained, but new features won't be implemented anymore.</em> | ✔ | ✔
 EoL/Dead<em><br />- Not maintained anymore. If possible, stop using, and update ASAP.</em> | ✔
 
 ---
 
 
-Last Updated: 16 October 2020 (2020.10.16).
+Last Updated: 12 December 2020 (2020.12.12).