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Changelogs

@nylas/web-elements v2.5.5

Fixes scheduler date and time slot clicks when auth props are set after mount, and restores the schedulerApiUrl region on full page refresh in React.

Python SDK v6.15.0

Adds Transactional Send, Manage Domains with service account request signing, and the Policies, Rules, and Lists APIs for Agent Accounts. Fixes camelCase query params on list grants.

Large attachments (Beta)

Send email attachments up to 150MB on Microsoft (Outlook and Exchange Online) grants using a new pre-upload flow. Upload the file once, then reference it by ID when sending.

Outbound rules
Outbound rulesAgent AccountsEmail

You can now restrict what your Agent Accounts send. Block sends to specific recipients, domains, or TLDs before they reach the provider — so an autonomous agent can't email the wrong address on its own.

Agent Accounts (Beta)
Agent Accounts (Beta)Agent AccountsEmailCalendar

Agent Accounts are Nylas-hosted email and calendar identities that an AI agent owns end-to-end. Create a real [email protected] mailbox through the API, assign policies and rules to guardrail its behavior, and use every existing Nylas endpoint against the new grant.

Webhook and notification updates

Compressed webhook delivery for webhooks, SNS, and Pub/Sub; a new message.created.cleaned trigger for Clean Conversations; and a field-name correction on the IMAP sync completed notification.

API Reference

Updated OpenAPI specs to correctly document nullable fields across Scheduler, Events, Contacts, Availability, Free/Busy, and Attachments APIs.

Email Signatures

New Signatures API lets you create, store, and manage reusable HTML email signatures per grant, and attach them automatically when sending messages or creating drafts.

CLI v3.1.1

Callback URI management, admin auth config fixes, and reduced code duplication across CLI commands.

Java SDK v2.15.1

Adds 'maybe' event status for calendar events and JSON body support for booking deletion.

Dashboard
DashboardDashboard

CLI authentication, disposable email blocking, and authentication reliability improvements.

Node.js SDK v8.0.5

Adds a scheduling availability API for retrieving availability via the new /v3/scheduling/availability endpoint.

Auth
AuthPlatform

Hosted auth improvements including plus-sign support in emails, IMAP/SMTP validation logging, and performance optimizations.

Ruby SDK v6.7.1

Fixes large attachment handling with string keys and custom content IDs.

Python SDK v6.14.2

Fixes UTF-8 encoding for special characters like emoji and accented letters in API requests.

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