1.8.1

Fixes:

• unary-test for negative numbers

1.8.0

Features:

• min() / max() built-in function for all comparable types
• divide a duration by another duration
• escape name by ` instead of '

Fixes:

• index of() return the index if the first element matches
• propagate error in list / context expression

1.7.0

Features:

• change engine API
• improve Java usage of the API and SPI
• load function providers via service loader SPI when using the FEEL engine factory

Fixes:

• fix exponentiation with a decimal exponent

1.6.2

Features:

• add logging statements to see the loaded value mapper and function provider

Fixes:

• unary-tests can handle null values in comparison (e.g. return false for (0..10) if the input value is null )

1.6.1

Fixes:

• unary-tests can handle null values (e.g. return false if a number is null instead of a failure)

1.6.0

New Features:

• new built-in functions for context lookup
• new built-in functions for DMN 1.2
• for-loop with ranges and partial result

Fixes:

• replace underscore with whitespace in reserved parameter and variable names
• fix external function format

1.5.0

New Features:

• use boolean expression as unary test
• support '?' for unary test as alias for the input value
• subtract date from date/duration
• add date to duration
• support Camunda Spin JSON/XML variables
• support quoted names as identifiers

Fixes:

• map BigInt / BigInteger as FEEL number
• transform whole numbers to long instead of double

1.4.0

New Features:

• support time / date-time with timezone
• access date / time / duration properties
• access list by index
• improved parser performance (thank's to Yannick)

Fixes:

• parse date-time with fraction-of-seconds and 9-letter year
• more strict date/time/duration parsing
• allow string literals with backslash
• nested context with overlapping names

1.3.0

New Features:

• support time / date-time with timezone offset
• support built-in functions with var-args (e.g. "min(1,2,3)")
• use correct names for built-in functions (e.g. "starts with" instead of "starts_with")
• handle Not-A-Number as null
• provide a context for evaluation to customize the behavior

Fixes:

• fix limitation for names which contain "for"
• convert FEEL date-time to java.util.Date

1.2.0

New Features:

• allow more function invocation for unary-tests
• allow expressions as arguments of a function invocation
• add support for Scala enumeration and option types
• add Camunda functions: now(), currentUser(), currentUserGroups()
• add value mapper spi
• add context provider spi

Fixes:

• add compare of date-time to unary-tests
• add null equality check
• fix built-in matches function