Release Notes
August 2026
v1.4.1
Feature Updates
- Adds DuckDB as a supported destination.
June 2026
v1.4.0
Schema/Data Changes (--full-refresh required after upgrading)
1 total change • 1 possible breaking change
| Data Model(s) | Change type | Old | New | Notes |
|---|---|---|---|---|
| All models | source_relation column (when using a single Klaviyo schema) | Empty string ('') | <database>.<schema> |
Feature Updates
- Introduces the new (recommended)
klaviyo_sourcesvariable for more robust union data configuration. The oldklaviyo_union_schemasandklaviyo_union_databasesvariables will still be supported. See the README for specific details.
Under the Hood
- Adds the
fivetran_using_source_casingvariable for case-sensitive destination support. When enabled, downstream transformations respect source casing to ensure consistent results. See the Additional Configurations section of the README for details. - Introduces
fivetran_utils.partition_by_source_relationto conditionally includesource_relationin partition clauses only when multiple sources are configured.
February 2026
v1.3.1
Feature Update
- Adds native JSON datatype support to the
stg_klaviyo__eventmodel across warehouses when generating theevent_attributionfield:- Snowflake: VARIANT
- Redshift: SUPER
- Postgres: JSON and JSONB
- BigQuery: JSON (already supported)
Under the Hood
- Updates integration test seeds to validate JSON datatype handling.
January 2026
v1.3.0
Documentation
- Updates README with standardized Fivetran formatting.
Under the Hood
- In the
quickstart.ymlfile:- Adds
table_variablesfor relevant sources to prevent missing sources from blocking downstream Quickstart models. - Adds
supported_varsfor Quickstart UI customization.
- Adds
December 2025
v1.2.1
Schema/Data Change
1 total change • 0 possible breaking changes
| Data Model(s) | Change type | Old | New | Notes |
|---|---|---|---|---|
stg_klaviyo__event | Column normalization | Only snake_case columns recognized:property_valueproperty_attribution | Accepts both snake_case and camelCase spellings:property_value / propertyValueproperty_attribution / propertyAttribution | Coalesces alternate source columns spellings into snake_case for consistency. |
October 2025
v1.1.1
Bug Fix
- To handle changes to the
property_attributionfield JSON structure introduced in the September 2025 Fivetran Klaviyo release, updates theint_klaviyo__event_attributionmodel to handle both legacy and new structures - Ensures the
property_attributionfield is a string for parsing downstream by implementing thejson_to_stringmacro to properly handle JSON columns across different warehouses