# Changelog #5

By [Lett3r](https://paragraph.com/@lett3r) · 2023-06-07

---

We're thrilled to bring you our fifth platform update, packed with new features and expanded blockchain support. These additions will further enhance your experience with Lett3r. Let’s dive in.

An optimistic update
--------------------

We're excited to announce that **Lett3r now supports the Optimism chain!** Optimism is a **Layer 2 scaling solution** that brings **faster and cheaper transactions** to Ethereum. With this update, **Lett3r will track** and send email notifications for **transactions and events on the Optimism chain**, allowing you to **stay informed** about **your Optimism-based interactions**.

**Mint your “Optimistic Lett3r NFT”** to commemorate this moment.

[subscriber-edition://0x8e17C19B06b286a6146a2B654FE18a4B35063E72?tokenId=0&size=small](subscriber-edition://0x8e17C19B06b286a6146a2B654FE18a4B35063E72?tokenId=0&size=small)

ERC-777 Support
---------------

Lett3r now supports **ERC-777 tokens**! ERC-777 is an **advanced token standard** that offers **improved functionalities** and flexibility **compared to ERC-20**. With this update, you'll be **able to monitor** and **receive email** notifications for **ERC-777 token transfers** and **operators authorizations**.

Enhanced Polygon Matic Transfers
--------------------------------

Lett3r now integrates with the **Polygon LogTransfer events**. LogTransfer events **capture native token transfers** on the Polygon network. You'll receive **email notifications** for token transfers occurring on the Polygon network, even for **transfers started from smart contracts**.

Improvements and Fixes
----------------------

This release also includes:

*   Improved performance and reliability of email notifications.
    
*   Enhanced detection and display of ENS domains.
    
*   Minor bug fixes and optimizations.
    

Feedback
--------

We **value your feedback** immensely! Please continue to **share your thoughts**, suggestions, and any issues you encounter by **responding directly to our emails** or through our **feedback survey**. Your input helps us **improve Lett3r** for everyone. We **can’t wait to hear what you think** about this update.

**Thank you for being a part of Lett3r**'s Private Beta! We encourage you to **invite your friends to join us** and **spread the word** about Lett3r. Together, we're **building a safer** and more **transparent blockchain experience**.

---

*Originally published on [Lett3r](https://paragraph.com/@lett3r/changelog-5)*