Announce JSON-RPC PubSub in Learn See what's new section (MystenLabs#…

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doc/src/learn/index.md

@@ -16,15 +16,12 @@ For a deep dive into Sui technology, see the [Sui Smart Contracts Platform](http
 
 Find the latest updates to these contents in this section:
 
+* [JSON-RPC PubSub](../build/pubsub.md) is supported by Sui [fullnode](fullnode.md) to publish / subscribe using notifications via websocket.
 * [Docker Compose](../build/fullnode.md#using-docker-compose) enables simple creation of Sui Fullnodes using [Docker](https://github.com/MystenLabs/sui/tree/main/docker/fullnode#readme).
 * [Run a fullnode](../build/fullnode.md) in Sui to have your own local copy of full blockchain state, contribute to Sui, and qualify to be a potential validator.
 * [Programming with objects](../build/programming-with-objects/index.md) tutorial series offers detailed guidance on manipulating Sui objects, from creation and storage through wrapping and using child objects.
 * Sui [version 0.3.0](https://github.com/MystenLabs/sui/releases/tag/devnet-0.3.0-rc) released to DevNet. See [RELEASES](https://github.com/MystenLabs/sui/blob/main/RELEASES.md) for details on other releases.
-* [Sui tokenomics](../learn/tokenomics/index.md) are now fully explained and cover:
-  * [Sui token](../learn/tokenomics/sui-token.md).
-  * [Gas-pricing mechanism](../learn/tokenomics/gas-pricing.md).
-  * [Sui storage fund](../learn/tokenomics/storage-fund.md).
-  * [Delegated proof-of-stake system](../learn/tokenomics/proof-of-stake.md).
+* [Sui tokenomics](../learn/tokenomics/index.md) are now fully explained.
 
 For a complete view of all changes in the Sui `devnet` branch, see:
 https://github.com/MystenLabs/sui/commits/devnet