Initial draft

docs/developers/linea-version/index.mdx

@@ -13,6 +13,34 @@ import TokenBridgeL2 from "!!raw-loader!/files/testnet/2023-06-13-release/TokenB
 import Tabs from "@theme/Tabs";
 import TabItem from "@theme/TabItem";
 
+## Beta v1
+
+**Mainnet: TBC**
+
+**Linea Sepolia: September 23**
+
+### Arithmetization
+
+Introduces new arithmetization to prepare Linea for future decentralization:
+- New specification completed
+- Implementing the Besu trace generator
+- New counting in sequencer
+- Improvements to tracing and sequencing efficiency.
+
+### Prover
+
+Refactor the prover to ensure it can be run in a decentralized way.
+
+## Alpha v3.6 
+
+### Block size changes
+
+**Mainnet: September 26**
+
+**Linea Sepolia: September 26**
+
+Increase block limit to 30M units of gas. Block time remains the same, at 2 seconds.
+
 ## Alpha v3.5.2
 
 ### Transaction exclusion API