v2.1.2

KoljaB/RealtimeTTSv2.1.2Apr 11, 2026by omkar273

AI Summary

A significant billing and infrastructure update focusing on subscription management, AI pricing integration, and new accounting support.

Key Highlights

Removed deprecated `billing_cadeance` field from price creation
Integrated subscription customer IDs into invoice processing
Updated Gemini models from version 2.0 to 2.5
Added Zoho Books integration with webhook handling and OAuth support
Optimized usage-based charge calculation by querying ClickHouse

Breaking Changes

Removed `billing_cadeance` field from price creation

New Features

Implement retries for JSON parsing in Gemini pricing service
Add meter_usage pipeline with invoice preview integration
Add line item quantity change support
Add support for onetime charges
Add support for environment cloning
Optimize meter list lookups per event name
Update wallet tests for prepaid and postpaid wallets

Full Release Notes

## What's Changed

* [BREAKING CHANGES]: we have removed `billing_cadeance` field from price creation
* main -> develop by @omkar273 in https://github.com/flexprice/flexprice/pull/1555
* Release by @omkar273 in https://github.com/flexprice/flexprice/pull/1556
* feat: integrate subscription_customer_id into invoice processing by @omkar273 in https://github.com/flexprice/flexprice/pull/1557
* Feat/ai pricing v2 by @pratham-ez in https://github.com/flexprice/flexprice/pull/1558
* feat: implement retries for JSON parsing in Gemini pricing service an… by @pratham-ez in https://github.com/flexprice/flexprice/pull/1562
* feat(invoice): add subs customer id to invoice by @omkar273 in https://github.com/flexprice/flexprice/pull/1565
* main -> develop by @omkar273 in https://github.com/flexprice/flexprice/pull/1568
* fix(invoice): update billing reason handling in ComputeInvoice function by @omkar273 in https://github.com/flexprice/flexprice/pull/1536
* feat(customer): enhance EnsureCustomerSyncedToPaddle to backfill miss… by @pratham-ez in https://github.com/flexprice/flexprice/pull/1572
* feat: add meter_usage pipeline with invoice preview integration by @hiteshshimpi-55 in https://github.com/flexprice/flexprice/pull/1564
* feat(line-item): add line item quantity change by @omkar273 in https://github.com/flexprice/flexprice/pull/1570
* chore: update Gemini model version from 2.0 to 2.5 in configuration a… by @pratham-ez in https://github.com/flexprice/flexprice/pull/1576
* chore: update default Gemini model to "gemini-2.5-flash-lite" in conf… by @pratham-ez in https://github.com/flexprice/flexprice/pull/1579
* perf(meter-usage): cache meter list lookups per event name by @nkmishra1997 in https://github.com/flexprice/flexprice/pull/1573
* feat: add Zoho Books integration with webhook handling, OAuth support… by @pratham-ez in https://github.com/flexprice/flexprice/pull/1580
* feat(billing): optimize usage-based charge calculation by conditionally querying ClickHouse by @omkar273 in https://github.com/flexprice/flexprice/pull/1581
* feat(price): add support for onetime charges by @omkar273 in https://github.com/flexprice/flexprice/pull/1582
* chore: update wallet tests for prepaid and postpaid wallets by @omkar273 in https://github.com/flexprice/flexprice/pull/1333
* feat(environments): add support for env cloning by @subratsahilgupta in https://github.com/flexprice/flexprice/pull/1563
* Revert "feat(environments): add support for env cloning" by @subratsahilgupta in https://github.com/flexprice/flexprice/pull/1583
* main -> develop by @omkar273 in https://github.com/flexprice/flexprice/pull/1584
* Release by @omkar273 in https://github.com/flexprice/flexprice/pull/1571
* chore: remove outdated ParseGeminiPricing documentation and delete  by @omkar273 in https://github.com/flexprice/flexprice/pull/1585




**Full Changelog**: https://github.com/flexprice/flexprice/compare/v2.1.1...v2.1.2