v0.4.59

• Added 'transient' as a possible value for VariableDeclaration.storageLocation, available since Solidity 0.8.27.
• Added 'prague' as a possible value for InlineAssembly.evmVersion.

v0.4.58

• Fixed YulFunctionDefinition.parameters and returnVariables: made optional, used when empty.
• Fixed InlineAssembly.externalReferences[].suffix: added 'length' option.

v0.4.57

• Fixed ModifierDefinition.body: made nullable to support Solidity 0.6.7 virtual modifiers with empty body.

v0.4.56

• Added 'cancun' as a possible value for InlineAssembly.evmVersion.

v0.4.55

• Fixed TupleExpression.components: array members are nullable.

v0.4.54

• Fixed Literal.subdenomination, previously typed as null, now typed with values 'seconds', 'minutes', etc.
• Added EnumDefinition.documentation.

v0.4.53

• Added ForStatement.isSimpleCounterLoop, available since Solidity 0.8.22.

v0.4.52

• Fixed behavior of findAll('*', ...) around UsingForDirective.functionList and ImportDirective.symbolAliases, which missed some identifiers and returned non-nodes.

v0.4.51

• Fixed bug in AST dereferencer reading a property of null.

v0.4.50

• Fixed findAll exhaustivity around objects in the AST that are not AST nodes. Affected queries for IdentifierPath nodes under UsingForDirective.functionList and for Identifier nodes under ImportDirective.symbolAliases.foreign.
• Significantly optimized findAll and astDereferencer.
• Added ability to enumerate all nodes with findAll('*', node) or dereference an unknown node type with deref('*', id).
• Added SourceUnit.experimentalSolidity, available since Solidity 0.8.21.
• Added ContractDefinition.usedEvents and ContractDefinition.internalFunctionIDs, available since Solidity 0.8.20.
• Added StructDefinition.documentation, available since Solidity 0.8.20.
• Added 'shanghai' as a possible value for InlineAssembly.evmVersion.
• Added nativeSrc to Yul AST nodes.