Update introduction.md

ivder · web-flow · commit a077afa8e111 · 2025-07-14T10:18:10.000+02:00
diff --git a/introduction.md b/introduction.md
@@ -39,7 +39,6 @@
 * WebVTT
 
 ### Supported Unity Versions
-* 2020
 * 2021
 * 2022
 * 2023
