Plutus Changelog

The format of this changelog is based on Keep a Changelog.

Unreleased

Added

Undo functionality in Marlowe Playground.
Save/load to gist in Marlowe Playground.
Playground usecases are multi-currency aware.
Playground actions can be reordered with drag-and-drop.
Tutorial and API documentation now hosted along with the Playgrounds, ensuring that they are in sync.
Tutorial significantly updated and beautified.
Plutus Tx support for "normal" function definitions, no need to use Template Haskell any more.
The Plutus Tx Prelude is now a full Haskell Prelude replacement and should be used with NoImplicitPrelude.
Typeclass support in Plutus Tx.
More robust handling of newtypes in Plutus Tx. They should now incur no performance penalty.

Changed

'Meadow' renamed to 'Marlowe Playground'
Purescript version updated to 0.12.
Significant and ongoing refactorings to ledger and wallet libraries to support integration into the Daedalus Smart Contract Backend.
Validator scripts now return a Bool instead of indicating failure with error.
Due to the removal of sized types, so the main integer type in Plutus Tx is now Integer, rather than Int.
The Plutus Tx Prelude and the ledger and wallet libraries have been updated to use typeclasses and normal function definitions.

Removed

Removed sized types from Plutus Core.

Fixed

Scripts are now properly typechecked before being evaluated.
Playground display of multi-currency values much improved.

2019-04-11

Added

Changed

Validity range for transactions.
Improved blockchain graph.
Improved vesting example.
The order of arguments to the validator script has changed from redeemerscript -> datascript -> PendingTx -> () to datascript -> redeemerscript -> PendingTx -> ().

Fixed

Properly support cryptographic primitives in Plutus Core and Plutus Tx.