# Release Notes - Version 0.37.0¶

Released on March 9, 2021

## New Exchange Connector: ProBit¶

In this release, Hummingbot has added more exchanges and is planning to add a lot more exchanges this year! Hummingbot now supports ProBit connector. ProBit Exchange describes itself as a global coin-to-coin cryptocurrency exchange. ProBit Exchange only lists what it deems to be 'qualified and deserving' cryptocurrency projects. ProBit Exchange reportedly has an order matching speed of over 1.5 million orders per second and a customizable user interface. In addition, ProBit Exchange claims to provide users with the option of a hardware security key in addition to 2 Factor Authentication.

ProBit is compatible with pure market making, cross-exchange market-making, arbitrage, amm arbitrage, and spot perpetual arbitrage.

## New Exchange Connector: Beaxy¶

We are glad to present to you that Hummingbot now supports Beaxy exchange! Beaxy is a digital asset exchange that aims to set itself apart from others in the field by offering a feature-rich platform built from the ground up with clients of every experience level in mind.

Beaxy is compatible with pure market making, cross-exchange market-making, arbitrage, amm arbitrage, and spot perpetual arbitrage.

## New Protocol Connector: Perpetual Finance¶

In v0.37, Hummingbot has added a new protocol connector, Perpetual Finance.

Perpetual protocol is a decentralized protocol to trade perpetual contracts for every asset powered by a Virtual Automated Market Maker (vAMM). The project aims to create novel financial instruments by democratizing Futures and other crypto-asset derivatives.

## Introducing the new Spot Perpetual Arbitrage strategy (Beta)¶

In v0.37, we introduce the new Spot Perpetual Arbitrage strategy! This strategy lets you arbitrage between a spot and futures exchange. The differences between the prices on the spot and futures markets before the settlement date give a good sense of the direction in which both markets would go. Prices on both futures and spots will converge as the settlement date or time approaches.

This strategy aims to open a position in one direction and execute an order in the opposite direction on the spot. Learn more about the Spot Perpetual Arbitrage.

## Improvements to Liquidity Mining strategy¶

We added two new parameters max_spread and max_order_age to Liquidity Mining strategy to give users a more functionality when using the strategy. Users now have the option to turn off inventory_skew and disable target_base_pct.

Tables are added to display the campaign, base, and quote balance in more detail. Balance distribution has also been improved on the user's selected token.

## Bug Fixes¶

• #2949 Add Exchanges Total to balance command
• We want to thank community member Iamtha for this contribution!
• #2959 Pause and Resume fixed for Liquidity Mining strategy
• #2959 Remove Telegram formatting tags
• #2987 Adds better parsing of Kraken trading symbols and fixes bugs #1781, #2930, and #2953
• #2989 Fix typo in history command
• We want to thank community member krisklosterman for this contribution!
• #2999 Fix orders canceling in a loop in Cross Exchange Market Making when using paper_trade
• #3000 Fix orders canceling in a loop when the balance is too low when using paper_trade
• #3005 Fix market validators for amm_arb strategy