API Breaking Changes and Deprecations — October 2026

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. Version 4 is deprecated and will reach end of support on August 14, 2026, with the V5 compatibility layer being removed on February 14, 2027. Users with custom V4 client calls must update their code.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client v5. Version 4 is deprecated, and its compatibility layer will be removed on February 14, 2027. Support for v4 ends on August 14, 2026, requiring users with custom v4 calls to update their code.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. Version 4 is deprecated and will reach end of support on August 14, 2026, with the V5 compatibility layer removed on February 14, 2027. Users with custom V4 calls should update their code.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. V4 is deprecated and will reach end of support on August 14, 2026. A compatibility layer for V5 will be removed on February 14, 2027, requiring updates for custom V4 client calls.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. Version 4 is deprecated and will reach end of support on August 14, 2026. A compatibility layer for V5 will be removed on February 14, 2027, requiring updates for custom V4 client calls.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client v5. Version 4 is deprecated, and a compatibility layer is available, but it will be removed on February 14, 2027. Stores using custom v4 calls must update their code before this date, as v4 support ends on August 14, 2026.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. Version 4 is deprecated, and its compatibility layer will be removed on February 14, 2027, with V4 reaching end of support on August 14, 2026. Users with custom V4 calls must update their code.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. Version 4 is deprecated and will reach end of support on August 14, 2026. A compatibility layer for V5 will be removed on February 14, 2027, requiring custom V4 calls to be updated.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. Version 4 is deprecated and will reach end of support on August 14, 2026, with the V5 compatibility layer being removed on February 14, 2027. Users with custom V4 calls should update their code.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. Version 4 is deprecated and will reach end of support on August 14, 2026. The V5 compatibility layer will be removed on February 14, 2027, requiring users with custom V4 calls to update their code.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client v5. Version 4 is deprecated, and a compatibility layer is available to ease migration, but it will be removed by February 14, 2027. Stores with custom v4 client calls must update their code before this date, as v4 support ends on August 14, 2026.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. Version 4 is deprecated, and a compatibility layer is available but will be removed by February 14, 2027. Users with custom V4 calls must update their code before V4 reaches end of support on August 14, 2026.

The Algolia AI Search & Discovery app for Shopify now uses version 5 of the JavaScript API client. Version 4 is deprecated and will reach end of support on August 14, 2026, with its compatibility layer removed on February 14, 2027. Users with custom JavaScript calling the Algolia client directly should update their code to V5.

The Algolia AI Search & Discovery app for Shopify now uses version 5 of the JavaScript API client. Version 4 is deprecated, and its compatibility layer will be removed on February 14, 2027, with end of support on August 14, 2026. Users with custom JavaScript calling the Algolia client directly should update their code to V5.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. Version 4 is deprecated, and a compatibility layer is available to ease migration. Users with custom JavaScript calling the Algolia client directly should update their code to V5 before the compatibility layer is removed on February 14, 2027, and before V4 reaches end of support on August 14, 2026.

The Algolia AI Search & Discovery app for Shopify now uses JavaScript API client V5. Version 4 is deprecated and will reach end of support on August 14, 2026, with the V5 compatibility layer being removed on February 14, 2027. Users with custom V4 calls should update their code.

Auth0 is increasing the length and cryptographic entropy of newly issued refresh tokens. This change may impact applications, APIs, or database schemas that perform hardcoded length checks, use fixed-size database storage, or employ regex validation for refresh tokens.

Cloudflare D1 database undelete requests are now limited to the last 7 days. This is a breaking change as it reduces the window for data recovery.

Cloudflare MCP servers have removed support for serving /sse. This is a breaking change that may impact clients relying on this endpoint for server-sent events.

The diff indicates a WAF Release on 2026-10-01, which is often a breaking change, and Workers OAuth Provider v1 with a new split API and full support for MCP 2026-07-28, which implies changes to the OAuth API that could be breaking.

This release includes several breaking changes, such as the removal of `libpcap.a` from Linux Agent packages and changes to the default process manager on Linux. It also introduces new features like enhanced PostgreSQL TLS support and new thermal metrics on macOS.

Several Test Lab devices (ipad10/16.6, iphone11pro/16.6, iphone14pro/16.6, iphone8/16.6) are deprecated and will be removed on 2026-11-23. Additionally, Firebase now integrates with Google AI Studio to automatically set up Firebase AI Logic and App Check for Android apps using generative AI.

The legacy 'Vertex AI' initialization syntax has been removed from Firebase AI Logic SDKs in favor of the new 'Agent Platform' syntax. This change also alters the default model location from 'us-central1' to 'global', which may require explicit location specification for existing apps.

The Firebase AI Logic SDK has deprecated the 'Vertex AI' initialization syntax in favor of 'Agent Platform' syntax, reflecting a product renaming. Users are strongly recommended to migrate, as the legacy syntax will be removed in the next breaking change release.

Firebase Test Lab is deprecated and will be fully shut down on September 30, 2027. Users must migrate to the Developer Device Platform on Google Cloud to maintain their testing workflows.

GitHub Copilot models have been deprecated and will be retired on October 19, 2026. Users should plan to migrate away from these models before the sunset date.

GitHub has retired email notifications for repository push events and announced the upcoming deprecation of selected GitHub Copilot models in mid-November. Users relying on these features should seek alternative notification methods and prepare for Copilot model changes.

Selected models in GitHub Copilot have been deprecated. Users relying on these specific models may need to update their configurations or switch to supported alternatives to avoid service interruptions.

GitHub is retiring the macOS 14 runner image for GitHub Actions and changing how Actions retention covers checks, runs, and statuses. Users relying on macOS 14 runners or the previous retention policy will need to adjust.

GitHub is retiring X25519-only TLS for GHE.com on October 7. Users relying solely on this TLS configuration may experience connectivity issues.

Cloud DNS CNAME chasing behavior will change on January 5, 2027, potentially causing resolution errors or unintended IP addresses for overlapping public/private CNAME targets. Additionally, AlloyDB AI query engine function parameters have been renamed and some removed, requiring updates to existing queries.

Apigee X Model Context Protocol (MCP) tool arguments are now routed to backend requests based on their OpenAPI parameter declaration (header, cookie, query, path), which is a breaking change for existing proxies. Additionally, multiple security vulnerabilities were addressed across various Google Cloud services, including PHP vulnerabilities affecting Drupal-based Apigee developer portals and an authorization vulnerability in Compute Engine.

The Google Cloud CLI (Cloud SDK) version 590.0.0 removes the gcloud-man-pages, app-engine-grpc, and cloud-build-local components. Users will need to use '--help' for command documentation and find alternative solutions for App Engine gRPC and Cloud Build Local Builder functionalities.

Apigee Edge for Private Cloud 4.54.00 is a new LTS release that replaces Java 8 with Java 17/21, removes the Classic UI and apigee-sso, and updates several bundled components. These changes are not backward-compatible and require pre-upgrade steps.

The Skaffold component in Google Cloud CLI has been deprecated and will be removed after January 15, 2027. Some installation attempts will now return an error, requiring users to install Skaffold separately.

The sale of Gemini Code Assist subscriptions is ending on October 9, 2026, with auto-renewal ceasing in 2027. Additionally, the format for bootstrap addresses and broker URLs has changed for new Google Cloud Managed Service for Apache Kafka clusters, requiring users to update how they retrieve these addresses.

The Managed Flink Client component (managed-flink-client) has been removed from the Google Cloud CLI, which is a breaking change for users relying on this component. Additionally, several new features and bug fixes were introduced across AI Hypercomputer, BigQuery, Cloud Monitoring, and Apigee.

Identity Service for GKE is deprecated starting July 1, 2026, for GKE versions 1.36 and earlier, and is unavailable for organizations created after July 1, 2025. Users must migrate to Workforce Identity Federation before upgrading to GKE version 1.37 or later, which will not support this feature.

The Decisions API has a breaking change where the `question.instructions` field in Live response models can now be a string or a list of structured parts, requiring type checks. Additionally, Decisions request input types now include new message roles and tool-history items, which may affect exhaustive type checks.

The Global Catalog REST API will no longer serve traffic starting November 2, 2026. Developers using this API should plan for its removal.

The Global Catalog REST API will stop serving traffic on November 2, 2026. Developers using this API should plan for its removal.

The Global Catalog REST API will no longer serve traffic starting November 2, 2026. Developers using this API should plan for migration or alternative solutions.

The Global Catalog REST API will no longer serve traffic starting November 2, 2026. Developers using this API should plan for its removal.

This release includes several breaking changes, such as the removal of the `metafieldInteger` collection condition in GraphQL Admin API version 2027-01 and changes to POS UI extensions. It also deprecates the Global Catalog REST API, which will stop serving traffic on November 2, 2026.

This update includes several breaking changes, such as the removal of `metafieldInteger` collection condition and changes to tax webhooks, requiring immediate action. It also announces the deprecation of the Global Catalog REST API, which will stop serving traffic on November 2, 2026.

This release includes several breaking changes, such as the removal of the Global Catalog REST API, changes to POS UI extensions, and the removal of a metafield collection condition. Developers should review these changes to avoid service disruptions.

This release includes several breaking changes, such as the removal of the Global Catalog REST API, changes to POS UI extensions, and the removal of the `metafieldInteger` collection condition. Developers should review these changes to avoid service disruptions.

The Global Catalog REST API will no longer serve traffic starting November 2, 2026. Users currently relying on this API should plan for migration.

The Global Catalog REST API will no longer serve traffic starting November 2, 2026. Developers using this API should plan for its removal.

The Global Catalog REST API will no longer serve traffic starting November 2, 2026. Users currently relying on this API should plan for migration.

The Global Catalog REST API will no longer be available after November 2, 2026. Integrations relying on this API will need to find alternative solutions before the sunset date.

This release introduces several breaking changes across various Shopify APIs, including changes to POS UI extensions, removal of a metafield collection condition, updates to tax webhooks, and changes to the Events subscription query complexity limit. Developers should review these changes to ensure their applications remain compatible.

This diff indicates several breaking changes across different Shopify APIs, including cart mutations in POS UI extensions, percentage discount values in POS UI extensions, removal of `metafieldInteger` collection condition, changes to tax webhook summary and calculation requests, updated function syntax on the segment query language, and removal of `marketCurrencySettingsUpdate` mutation. These changes will likely require immediate action to prevent application failures.

This release includes several breaking changes, such as the removal of the `metafieldInteger` collection condition and `automaticDiscounts` query in API version 2027-01, and changes to tax webhook summary/calculation requests and Events subscription query complexity limits in 2026-10. These changes will require updates to existing integrations to avoid failures.

This release includes several breaking changes, such as the removal of `metafieldInteger` collection condition and `automaticDiscounts` query in API version 2027-01, and the removal of `session.currentSession.staffMemberId` from POS UI Extensions in version 2026-10. Additionally, `Events` subscription query complexity limit is changing to 100 points and `marketCurrencySettingsUpdate` mutation is being removed, which will require developers to update their integrations to avoid failures.

This release includes several breaking changes, such as the removal of the `metafieldInteger` collection condition and `automaticDiscounts` query in API version 2027-01, and the removal of `session.currentSession.staffMemberId` from POS UI Extensions in version 2026-10. Additionally, the `marketCurrencySettingsUpdate` mutation is being removed, and the Events subscription query complexity limit is changing.

This changelog indicates several breaking changes, including the removal of the `marketCurrencySettingsUpdate` mutation, the `automaticDiscounts` query in API version 2027-01, and `session.currentSession.staffMemberId` from POS UI Extensions (2026-10). Additionally, the Events subscription query complexity limit is changing to 100 points, and AI Toolkit skills have been consolidated.

This diff indicates several breaking changes, including the removal of `marketCurrencySettingsUpdate` mutation and `automaticDiscounts` query, and the removal of `session.currentSession.staffMemberId` from POS UI Extensions in version 2026-10. It also notes the deprecation of `Customer Address APIs` supporting `countryCode` in Checkout UI and password protected shop dev flows on older Shopify Theme CLI versions.

The Stripe Endive release introduces several breaking changes, including the removal of 'payment method types' from Checkout Sessions, Payment Intents, and Setup Intents, and the deprecation of the payment request button. It also adds numerous new features like the Standalone 3D Secure API and support for new payment methods, requiring developers to review and update their integrations.

The Endive release introduces several breaking changes, including the removal of 'payment method types' from Checkout Sessions, Payment Intents, and Setup Intents, and the removal of 'configurations' from Account Links v2. It also deprecates the payment request button and removes support for 'payment method types' in Elements. Numerous new features and additions are also included across various Stripe products.

The Endive release introduces several breaking changes, including the removal of 'payment method types' from Checkout Sessions, Payment Intents, and Setup Intents, and the removal of 'configurations' from Account Links v2. It also deprecates the payment request button and removes support for 'payment method types' in Elements. Numerous new features and improvements are also included across Payments, Billing, Tax, Financial Connections, and Treasury.

This release introduces several breaking changes, including the removal of 'payment method types' parameter from Checkout Sessions, Payment Intents, and Setup Intents, and the removal of 'payment method types' option in Elements. It also deprecates the payment request button in Elements and removes PayTo-specific fields from Payment Methods. Additionally, it adds new features like the Standalone 3D Secure API and support for SeQura payments.

The previous release notes indicated that on-demand rule execution and conversation metadata were generally available with Twilio Conversations. This update removes that mention, suggesting these features are no longer available or were prematurely announced.

The conference list endpoint will change its default behavior to only show in-progress conferences starting September 30, 2026. Users currently relying on the default to retrieve all conferences will need to adjust their queries.

The conference list endpoint will default to in-progress conferences only starting September 30, 2026. Additionally, Provider Failover and 'Auto' mode Provider selection for Real-Time Transcriptions are being introduced on October 22, 2026, which could impact existing transcription configurations.

Speed Insights is deprecating First Input Delay (FID) as a metric on November 1st. No action is required from users.

Speed Insights is deprecating First Input Delay (FID) as a metric on November 1st. No action is required from users, indicating a backend change or a shift to a different metric.