v2.6.0

• Remove the versioned Claude configuration, now centralized in tiny-blocks/tiny-blocks.
• Remove the CodeQL workflow.
• Align .gitattributes, .gitignore, and phpcs.xml with the canonical ecosystem assets.
• Adopt the PSR12 plus SlevomatCodingStandard ruleset and register dealerdirect/phpcodesniffer-composer-installer.
• Raise tiny-blocks/mapper to ^3.2.
• Raise infection/infection to ^0.34, phpunit/phpunit to ^13.2, and symfony/console to ^8.1, and add slevomat/coding-standard at ^8.31.
• Extract expand from FlatMap::apply to satisfy the cognitive complexity limit.
• Split Segment::apply into dropFromEnd, takeInOrder, and hasReached to satisfy the same limit.
• Bracket the comparator expression in Rearrange to satisfy Squiz.Formatting.OperatorBracket.
• Drop the obsolete return.type suppression for Collection, which PHPStan now infers correctly.

v2.5.0

• Bumped tiny-blocks/mapper from ^3.0 to ^3.1 in composer.json.

v2.4.0

• Add collection-side portable serialization (toArray / toJson) with configurable key preservation, and introduce a local KeyPreservation enum.
• Update typed test collections to declare element types via #[ElementType], plus add new mapper round-trip tests and refine existing test coverage.
• Improve internal performance/typing (compiled map/filter, materialization stage handling, expanded generics annotations) and sync repo scaffolding/rules/docs.

v2.3.3

• Adds/updates canonical .claude rules, GitHub templates, security policy, workflows, and repository tooling configs.
• Updates Composer scripts, Makefile targets, report paths, PHPCS/PHPStan/PHPUnit/Infection configuration.
• Applies minor code/documentation refinements, including Each::on(), PHPDoc generics, README examples, and formatting cleanup.

v2.3.2

• Expanded and organized .gitignore entries for IDE/agent folders, Composer artifacts, PHPUnit caches, and common output directories.
• Simplified .gitattributes and added export-ignore rules for tests and development-only configs to keep dist tarballs minimal.

v2.3.1

• Allow EagerPipeline::fromClosure() to accept either an array or a Traversable result from the factory.
• Make Filter predicate compilation explicitly drop only null predicates.
• Normalize/refresh project metadata and contributor tooling/docs (Composer normalization, README overview, editor config, Claude rules).

v2.3.0

• Added Internal\Materialization and refactored EagerPipeline to rely on it for cached terminal access.
• Expanded/adjusted complexity and evaluation-strategy documentation (Collectible, Pipeline, README).
• Added test coverage for multi-predicate filtering and reducing over chained operations (eager + lazy).

v2.2.0

• Introduce Collection::createFromClosure() backed by an eager pipeline that materializes the closure result immediately.
• Move first/isEmpty/last resolution into Pipeline implementations (eager/lazy) and remove the old resolving helpers.
• Expand README + API docs with evaluation strategy and complexity explanations; add extensive tests and new test models.

v2.1.0

• Introduces Collection::createLazyFromClosure() backed by LazyPipeline::fromClosure() for re-iterable lazy sources.
• Refactors EagerPipeline to memoize materialization and allow repeated iteration when created from single-use iterables (e.g., generators).
• Updates each() to be a terminal operation returning void, and updates tests + adds new tests for closure/generator reiteration.

v2.0.0

• Introduces Pipeline + EagerPipeline/LazyPipeline and refactors Collection to compose operations via pipeline stages.
• Replaces the previous operation set (LazyOperation/ImmediateOperation) with Transforming\* (pipeline stages) and Resolving\* (terminal helpers).
• Consolidates/rewrites tests and updates documentation to reflect the new API and extension patterns.