Sourced fromgithub.com/open-policy-agent/opa's releases.

v1.12.1

This bug fix release reverts a change toregex.replace that unintentionally changed its behaviour for anchored regular expressions.

• Revert "topdown: makeregex.replace respect cancellation" (authored by@​srenatus)

v1.12.0

This release contains a mix of new features, performance improvements, and bugfixes. Notably:

• Support forString Interpolation in the Rego language
• Faster compilation and runtime
• Fixes published in the v1.11.1 release

String Interpolation (#4733)

The Rego language has been extended to supportString Interpolation,which provides a readable means to compose strings containing dynamic values determined at evaluation time.

An interpolated string is composed of a template-string containing zero or more template-expressions that evaluates to a value at evaluation time.The$ character prefix identifies a template-string, and template-expressions are declared by being enclosed in curly-braces ({,}).

Additionally,undefined template-expression values don't halt evaluation; instead,<undefined> will be injected into the generated string.

packageinterpolationallowed_roles:= ["admin","employee"]defaultrole:="guest"role:= input.roledeny contains$"User {input.username}'s role was '{role}', but must be one of {allowed_roles}" if{notrole inallowed_roles}

{"deny": ["User <undefined>'s role was 'guest', but must be one of [\"admin\",\"employee\"]"  ],}

String interpolation is a more readable and less error-prone substitute for thesprintf built-in function.

Authored by@​johanfylling reported by@​anderseknert

[!TIP]Help us out!

... (truncated)

Sourced fromgithub.com/open-policy-agent/opa's changelog.

1.12.1

This bug fix release reverts a change toregex.replace that unintentionally changed its behaviour for anchored regular expressions.

• Revert "topdown: makeregex.replace respect cancellation" (authored by@​srenatus)

1.12.0

This release contains a mix of new features, performance improvements, and bugfixes. Notably:

• Support for string interpolation in the Rego language
• Faster compilation and runtime
• Fixes published in the v1.11.1 release

String Interpolation (#4733)

The Rego language has been extended to supportString Interpolation,which provides a readable means to compose strings containing dynamic values determined at evaluation time.

An interpolated string is composed of a template-string containing zero or more template-expressions that evaluates to a value at evaluation time.The$ character prefix identifies a template-string, and template-expressions are declared by being enclosed in curly-braces ({,}).

Additionally,undefined template-expression values don't halt evaluation; instead,<undefined> will be injected into the generated string.

packageinterpolationallowed_roles:= ["admin","employee"]defaultrole:="guest"role:= input.roledeny contains$"User {input.username}'s role was '{role}', but must be one of {allowed_roles}" if{notrole inallowed_roles}

{  "deny": [    "User <undefined>'s role was 'guest', but must be one of [\"admin\", \"employee\"]"  ],}

String interpolation is a more readable and less error-prone substitute for thesprintf built-in function.

Authored by@​johanfylling reported by@​anderseknert

Help us out!

... (truncated)

• 92dd54d Release v1.12.1
• fb09d24 Revert "topdown: makeregex.replace respect cancellation"
• d61ac38 Prepare v1.12.0 release (#8144)
• 5a0dc47 Template string performance improvements and more (#8143)
• f5c3743 perf: reduce allocations handling terms (#8116)
• d80ffc4 website: Show playground errors
• 7e1c361 oracle: Use typed targets for specific matchers (#8138)
• 629cbd8 String interpolation docs (#8129)
• 9c52121 ast/parser: avoid allocating slices for variadic options
• c0df469 ast/parser: check if we need to unescape at all
• Additional commits viewable incompare view

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