# Breaking change coming email template

> Explore this breaking change coming email template for technology and software. Preview its status, three key details, and next action.

Source: https://design.moosewave.com/templates/breaking-change-coming-email-template/

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Transactional Alerts & status

# Breaking change coming email template

An API change announced with a long runway and a compatibility mode.
Illustrative example. Replace the fictional sender, dates, amounts, locations, and account details before use.
**Best for**
: An API change announced with a long runway and a compatibility mode
**Structure**
: State or event context · Plain-language explanation · Three labelled facts
**Style**
: signal · modern serif
**Industry fit**
: Technology & software
Responsive design preview

## See the message before you make it yours.

Compare the desktop and mobile compositions, or unfold the full design. The complete starting copy remains readable below.
Want to change the copy and style?

## Try one of the editable browser templates.

This page is a read-only reference. The five hands-on studios let you edit a local preview, compare desktop and mobile, and review every change before continuing.
Message anatomy

## A useful starting point, with the important parts named.

You can turn the new behaviour on now for a single environment and see what breaks, rather than discovering it in March.

### What you can change

- Brand name
- Subject line
- Preheader
- Eyebrow
- Headline
- Supporting copy
- Primary action label
- Primary action URL

### What to keep clear

- State or event context
- Plain-language explanation
- Three labelled facts
- Primary and secondary action
- Support or privacy footer
Complete starting copy

## Read it as text, not only as a picture.

**From**
: Radnage Interfaces
**Subject**
: One field changes type on 1 March
**Preheader**
: Six months' notice. A compatibility mode exists.
Breaking change

### One field, six months, and a switch to test it today

You can turn the new behaviour on now for a single environment and see what breaks, rather than discovering it in March.

#### Changes

One field, string to object

#### Effective

1 March

#### Test it now

Compatibility flag
Moosewave MCP

## Give an agent the structure, the job, and a stopping point.

The brief asks for a new draft and stops before send.

**Read the complete brief**
Connected work

## Take the design beyond the canvas.

Keep exploring

## Related transactional templates

[001 Transactional Open preview ↗ Alerts & status Error rate spiked A sudden increase in failures with the affected slice identified Technology & software](/templates/error-rate-spiked-email-template/)
[002 Transactional Open preview ↗ Alerts & status Feature rolling out gradually A staged release explained so people do not think they are missing out Technology & software](/templates/feature-rolling-out-gradually-email-template/)
[003 Transactional Open preview ↗ Alerts & status Printer offline A shared office device that has stopped responding Technology & software](/templates/printer-offline-email-template/)
[004 Transactional Open preview ↗ Alerts & status Restore test passed A backup verified by actually restoring it, not just checking it exists Technology & software](/templates/restore-test-passed-email-template/)