# Changelog of Data Deduplicator (`parsebird/dataset-deduplicator`) Actor

- **URL**: https://apify.com/parsebird/dataset-deduplicator/changelog.md
- **Full Actor documentation**: https://apify.com/parsebird/dataset-deduplicator.md

## Changelog

### v1.3 — 2026-06-01

- Simplified configuration: removed keepOrder, caseInsensitive, trimWhitespace, outputDatasetId, and maxItems inputs
- Matching is now always case-insensitive with whitespace trimming (the most reliable defaults)
- First occurrence is always kept; output goes to the default run dataset

### v1.1 — 2026-04-26

- Added prefill values for jsonData and fields inputs to pass Apify automated quality tests

### v1.0 — 2026-04-25

- Initial release
- Merge and deduplicate multiple Apify datasets
- Composite key deduplication by any field combination
- Case-insensitive matching and whitespace trimming
- Keep first or last occurrence of duplicates
- Direct JSON input support (jsonData)
- Stats output to key-value store
- Pay-per-event pricing: $1.49 per 1,000 items processed