> ## Documentation Index
> Fetch the complete documentation index at: https://docs.popsink.com/llms.txt
> Use this file to discover all available pages before exploring further.

# v3.8 25/03/2025

***

**Description**: OAuth & CVE security fixes, Snowflake, Clickhouse async, MongoDB, Teradata, Databricks improvements, Webhooks & connectors fixes, N+1 optimizations, Nuxt 3.16 migration, better logging & retries, Attio & HubSpot integrations, usage dashboard, production stability updates.

## Changelog Summary

#### **Authentication & Security**

* Improved **OAuth token handling** (code token and extra attributes).
* **Critical CVE fix** for frontend security.
* Updated **SSL handling for Aiven** and **Snowflake precision settings**.
* Removed old environment variables and **Mercure**.

#### **Database & Backend Improvements**

* **Improved Snowflake, MongoDB, Clickhouse, and Redpanda** integration.
* **Clickhouse now fully async** for better performance.
* **Incremental load support** added.
* **Multi-primary key support** for workers.
* **PostgreSQL optimizations** (fewer tombstones, better identifier management).
* Fixes for **JDBC memory, IBM i, and Teradata targets**.
* **Optimized worker status updates and logging**.

#### **Connectors & Integrations**

* **Bug fixes and enhancements** for **BigQuery, HubSpot, Salesforce, Stripe, Webhooks, Airtable, MSSQL, Oracle, and JDBC**.
* **Dedicated deployment for Attio webhooks** and **Attio BigQuery integration**.
* **Databricks and Teradata targets introduced**.
* **Salesforce source fixes**.
* **Better handling of schema changes** for Webhooks and connectors.

#### **Performance & Optimization**

* **N+1 query fixes and optimizations** across backend.
* **Retries and timeout handling improved** for production stability.
* **Default retention time** adjustments for optimized storage.
* **Snowflake updates** to avoid dashes in table names.

#### **Frontend & UX Enhancements**

* **Multiple UI fixes**, including **subscription details, button behaviors, and icon updates**.
* **Nuxt 3.16 migration** for frontend framework.
* **Error messages now more specific and informative**.
* **Improved redirects when backend is down**.

#### **Miscellaneous & Other Fixes**

* **Webhook target and source fixes**.
* **SSH tunnel improvements** for IBM i.
* **Cron usage enhancements**.
* **Better logging and debugging**:
  * **More informative logs** with prefixes.
  * **Removed unnecessary hot reload** in Gunicorn.
* **Leftover invoke task removed**.
* **Fixes for load visibility and resource initialization**.