Release v2.78.0

[cb-alish]

v2.78.0 (2026-07-30)

New Resources:

• CreditUnit has been added.
• LedgerEntry has been added.

New Actions:

• allocate has been added to LedgerOperation.

New Attributes:

• unit_id has been added to Alert.
• subscription_id has been added to GrantBlock.
• modified_at has been added to GrantBlock.
• resource_version has been added to GrantBlock.
• created_at has been added to LedgerAccountBalance.
• resource_version has been added to LedgerAccountBalance.

New Parameters:

• account_type has been added as query parameter to list_grant_blocks in GrantBlock.
• unit_id has been added as request body parameter to create_an_alert in Alert.
• include_cancellation_day_in_billing has been added as request body parameter to cancel_subscription_for_items_estimate in Estimate.
• subscription_id has been added as request body parameter to allocate in LedgerOperation.
• unit_id has been added as request body parameter to allocate in LedgerOperation.
• amount has been added as request body parameter to allocate in LedgerOperation.
• expires_at has been added as request body parameter to allocate in LedgerOperation.
• metadata has been added as request body parameter to allocate in LedgerOperation.
• include_cancellation_day_in_billing has been added as request body parameter to cancel_subscription_for_items in Subscription.

New Events:

• grant_blocks_created has been added.
• ledger_updated has been added.
• ledger_account_balance_updated has been added.
• grant_blocks_updated has been added.

New Enums:

• ledger_account_balance_updated, grant_blocks_created, grant_blocks_updated, and ledger_updated have been added as new values enum EventType.
• dana, touch_n_go, tamara, and qpay have been added as new values enum PaymentMethod.
• dana, touch_n_go, tamara, and qpay have been added as new values enum PaymentMethodType.
• dana, touch_n_go, tamara, qpay, credit_balance_dropped, credit, debit, hold, and unhold have been added as new values enum Type.
• active and archived have been added as new values to enum attribute status in CreditUnit.
• grant_renewal and subscription_renewed have been added as new values to enum attribute grant_source in GrantBlock.
• provisioned and overdraft have been added as new values to enum attribute account_type in LedgerEntry.
• credit_unit has been added as a new value to enum attribute unit_type in LedgerEntry.
• dana, touch_n_go, tamara, and qpay have been added as new values to enum attribute payment_method_type in PaymentIntent.
• dana, touch_n_go, tamara, and qpay have been added as new values to enum attribute active_payment_attempt.payment_method_type in PaymentIntent.
• archived and active have been added as new values to enum query parameter status.in in list_credit_units of CreditUnit.
• archived and active have been added as new values to enum query parameter status.is in list_credit_units of CreditUnit.
• provisioned and overdraft have been added as new values to enum query parameter account_type.is in list_grant_blocks of GrantBlock.
• dana, touch_n_go, tamara, and qpay have been added as new values to enum request body parameter payment_method_type in update_a_payment_intent of PaymentIntent.
• dana, touch_n_go, tamara, and qpay have been added as new values to enum request body parameter payment_method_type in create_a_payment_intent of PaymentIntent.

Releases Chargebee Ruby SDK v2.78.0 with new CreditUnit and LedgerEntry resources, LedgerOperation allocation, expanded model attributes and API parameters, additional webhook events and enum values, updated result accessors, and refreshed package/version metadata.

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[coderabbitai]

Walkthrough

Changes

API model and release updates

Layer / File(s)	Summary
CreditUnit resource and integration lib/chargebee/models/credit_unit.rb, lib/chargebee.rb, chargebee.gemspec, lib/chargebee/result.rb	Adds the CreditUnit model, list/create/update/archive/reactivate requests, loading, packaging, and result conversion.
Ledger models and allocation flow lib/chargebee/models/ledger_entry.rb, lib/chargebee/models/ledger_operation.rb, lib/chargebee/result.rb, lib/chargebee.rb, chargebee.gemspec	Adds LedgerEntry, exposes ledger entry results, and adds LedgerOperation allocation.
Existing model attributes and release metadata lib/chargebee/models/{alert,grant_block,ledger_account_balance}.rb, VERSION, lib/chargebee.rb, chargebee.gemspec, CHANGELOG.md	Adds model attributes and updates version, package metadata, user-agent version, and changelog entries for v2.78.0.

Estimated code review effort: 2 (Simple) | ~10 minutes

Sequence Diagram(s)

sequenceDiagram
  participant Client
  participant LedgerOperation
  participant Request
  participant Result
  Client->>LedgerOperation: invoke allocate(params)
  LedgerOperation->>Request: POST ledger_operations/allocate
  Request-->>LedgerOperation: return ledgerOperation response
  Client->>Result: read ledgerEntry or ledgerEntries
  Result-->>Client: construct LedgerEntry objects

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Suggested reviewers: cb-karthikp

🚥 Pre-merge checks | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@lib/chargebee/models/ledger_operation.rb`:
- Around line 57-63: Rename the class method self.allocate in
ChargeBee::LedgerOperation to a distinct wrapper name such as
allocate_ledger_operation, updating any references to it while preserving its
existing request behavior. Do not override Ruby’s zero-argument Class#allocate.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

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📥 Commits

Reviewing files that changed from the base of the PR and between 899cd84 and 42f19fd.

⛔ Files ignored due to path filters (1)

• Gemfile.lock is excluded by !**/*.lock

📒 Files selected for processing (11)

• CHANGELOG.md
• VERSION
• chargebee.gemspec
• lib/chargebee.rb
• lib/chargebee/models/alert.rb
• lib/chargebee/models/credit_unit.rb
• lib/chargebee/models/grant_block.rb
• lib/chargebee/models/ledger_account_balance.rb
• lib/chargebee/models/ledger_entry.rb
• lib/chargebee/models/ledger_operation.rb
• lib/chargebee/result.rb