Support for Plaintext and HTML Emails in one Email

## Is your feature request related to a problem?

Suppressions

A proposal to implement a Suppression List, automatically populated from SES bounces and complaints. A new `/suppressions` UI to list suppressed emails/contacts with an option to add email/contact manually via CSV file upload or textarea input. While adding an email into the suppression list, a reason for the suppressi

Connect social provider with existing account

## Feature Request: Link OAuth providers to existing accounts

Localized templates with nested variants and locale dropdown

## Describe the solution you'd like

Campaign stays in SENDING forever when remaining sends fail (SES daily quota exceeded); sent/failed counts inconsistent across UI

> **Note:** This issue was written and filed by an AI coding agent (Claude Code) on behalf of the reporter, not by hand. The incident data was collected and verified by the reporter. The root-cause analysis comes from the agent reading the source code and has not been confirmed with a debugger.

[Feature Request] Global Analytics Dashboard Across All Projects

<h2>Problem</h2>

Workflow Builder > Email Template dropdown does not select

## Description When editing a Send Email step inside the Workflow Builder, the Email Template dropdown does not allow selecting one of the templates.

`WAIT_FOR_EVENT` on `email.open` / `email.click` resumes on engagement with any email of the contact; no way to wait for the email the workflow sent

### What happens

Dashboard and Analytics open/click rates count untracked emails when Email tracking is "Marketing only"

## Description

Automatic pixel fetches (Gmail image proxy, Apple Mail Privacy Protection) are counted as real opens

## Description

Login fails on multi-label TLDs (.com.br, .co.uk): auth cookie scoped to a public suffix

## Bug

Editor strips normal style tags like highlights

## Description

Exclude Amazon SES simulator events from reputation metrics

# Problem

Contact search is CPU-bound and degrades linearly with project size

## Description

Replay the original response for idempotent retries

After a client timeout, retrying `POST /v1/send` with the same payload and `Idempotency-Key` returns `409 IDEMPOTENCY_KEY_REUSED`.

Contacts Export Feature

## Cannot download into an csv or xlxs the contacts from a project from UI

Feature request: API endpoints for scheduling emails and dynamic short campaign workflows

## Feature request

Proposal: per-step analytics for workflows (sent / delivered / open rate / click rate)

## Problem

Per-email tracking override on /v1/send

## Is your feature request related to a problem?

Sign webhooks

## Is your feature request related to a problem?

Custom fields with dots in names break segment filtering, workflow conditions, and template rendering

## Bug Description