January 2026
New features
Weld Connect API
Production-ready REST API for Business and Enterprise plans. Programmatically control integrations, connections, syncs, and streams. Includes the ability to update incremental pointers via API.
Weld Connect API documentation
Change cursor from front-end
You can now change the incremental cursor directly in the Weld UI, making it easier to adjust sync starting points without API calls.
New connectors
AppLovin
Sync MAX, Publisher, Advertiser, and Probabilistic reports with automatic deduplication.
Amazon Attribution
Dedicated connector for Amazon Attribution metrics, separated from the standard Amazon Ads integration.
Amazon Attribution documentation
ShipHero
Orders, Products, Shipments, Inventory, and Warehouse operations (13+ streams).
Breaking changes
Amazon Ads: sponsored_product_ad_group upgraded to v3
2 total changes • 1 possible breaking change
| Table/column | Change type | New name | Notes |
|---|---|---|---|
sponsored_product_ad_group | Deprecated | sponsored_product_ad_group_v3 | Retains historical data only. No new records. |
sponsored_product_ad_group_v3 | New table | Replaces legacy table. Migrate your queries. |
Connector updates
Amazon Selling Partner
1 total change
| Table/column | Change type | Notes |
|---|---|---|
transactions | New table | Nested data: items, breakdowns, contexts |
Adjusted sync lookback from 1 to 3 days.
Instagram Business
2 total changes
| Table/column | Change type | New name | Notes |
|---|---|---|---|
media_insights | |||
column | New Column | feed_comments | API v24.0 |
column | New Column | feed_likes | API v24.0 |
Shopify
1 total change
| Table/column | Change type | New name | Notes |
|---|---|---|---|
order_return_line_items | |||
column | New Column | fulfillment_line_item_line_item_id | |
Improved ELT settings for contextual pricing and translatable resources.
HubSpot
1 total change
| Table/column | Change type | Notes |
|---|---|---|
engagement_calls | New table | Dedicated stream for call engagements |
Added retry logic for 401 Invalid Token errors. Improved incremental engagement syncs.
Facebook and Meta
2 total changes
| Table/column | Change type | Notes |
|---|---|---|
video_insights | ||
columns | Deprecated | Removed deprecated video insight metrics |
page_insights | Fixed | Fixed 0-values treated as null |
Fixed bug skipping current-date data in Facebook Ads.
- PostgreSQL and CDC: Legacy support for Heartbeat tables on PG < v14. Optimized memory for tables with 5M+ records. Reduced connection usage during PK retrieval. New CDC replication lag alerting with Slack integration.
- Klaviyo: Increased chunk size for event syncs (5M to 15M). Bumped API revision to 2025-10-15.
- MySQL: Fixed pagination for tables with composite primary keys.
- Snapchat Ads: Fixed field incompatibility with specific report dimensions.
Platform improvements
- BigQuery preserves existing table partitioning when creating temporary tables.
- Optimized
publishedModelsquery for faster lineage graph loading. - Custom integrations: conditional schema generation to prevent unnecessary data probing.
- Concurrency limits (5) for custom connectors.
- Fixed billing validation issue when upgrading with MAR add-ons.