jonathimer/devmarketing-skills/changelog-updates

# Changelog
 
All notable changes to this project will be documented in this file.
 
The format is based on [Keep a Changelog](https://keepachangelog.com/),
and this project adheres to [Semantic Versioning](https://semver.org/).
 
## [Unreleased]
### Added
-New feature in development
 
## [2.3.0] - 2024-01-15
### Added
-New `analyze()` method for sentiment analysis
-Support for batch processing up to 100 items
 
### Changed
-Improved error messages with troubleshooting links
-Default timeout increased from 30s to 60s
 
### Deprecated
-`old_analyze()` will be removed in v3.0.0
 
### Fixed
-Race condition in concurrent requests (#234)
-Memory leak when processing large files (#256)
 
## [2.2.1] - 2024-01-08
### Fixed
-Critical security patch for authentication bypass
 
## [2.2.0] - 2024-01-01
...

### Added
-New `batch_analyze()` method processes up to 100 items in a single
  request, reducing API calls by 90% for bulk operations.
  [See docs](link) (#198)
 
### Fixed
-Fixed timeout errors when processing files larger than 10MB.
  Uploads now stream in chunks, eliminating memory issues. (#234)
 
### Deprecated
-`legacy_auth()` will be removed in v3.0.0 (scheduled for March 2024).
  Migrate to `oauth_auth()` using our [migration guide](link).

### Added
-New feature
 
### Fixed
-Fixed bug
-Fixed another bug
-Various improvements
 
### Changed
-Updated dependencies

❌ "Improved performance"
✅ "Reduced API response time by 40% for list operations"

❌ "Fixed issue #234"
✅ "Fixed timeout errors when uploading large files (#234)"

✅ "New batch API - [documentation](link) | [migration guide](link)"

✅ "Breaking: `user_id` parameter renamed to `id`.
    Update your code before upgrading."

### Changed
-List operations now 3x faster through pagination optimization

### Added
-Error messages now include troubleshooting links
-SDK now validates API keys at initialization

### Changed
-New data center in EU (eu-west.api.example.com)
-Increased rate limits from 100 to 500 requests/minute

❌ "Refactored authentication module"
(unless it affects developers)

❌ "Updated lodash from 4.17.20 to 4.17.21"
(unless security-related)

❌ "Fixed typo in error message"
(batch these into "Various documentation improvements")

# Versioning
 
We follow [Semantic Versioning](https://semver.org/):
 
-**Major versions (3.0.0)**: May include breaking changes.
  Check the migration guide before upgrading.
 
-**Minor versions (2.3.0)**: New features, backward compatible.
  Safe to upgrade.
 
-**Patch versions (2.3.1)**: Bug fixes only.
  Always safe to upgrade.

# Recommended Version Constraints
 
For stability, we recommend:
-`"myapi": "^2.3.0"` - Get patches and minor updates
-`"myapi": "~2.3.0"` - Get patches only
 
For production systems:
-Pin exact versions: `"myapi": "2.3.0"`
-Review changelogs before upgrading
-Test in staging first

# API Versions
 
## Current Versions
-**v2** (current): Full support, recommended for new integrations
-**v1** (legacy): Security fixes only, sunset March 2025
 
## Version Lifecycle
| Status | Duration | What It Means |
|--------|----------|---------------|
| Current | Ongoing | Full support, new features |
| Legacy | 12 months | Security fixes only |
| Deprecated | 6 months | No updates, migration required |
| Sunset | - | No longer available |
 
## Specifying Version

# Breaking Change: [Brief Description]
 
**Affects**: SDK v3.0.0, API version 2024-03
**Timeline**: Changes take effect March 15, 2024
 
## What's Changing
[Clear description of the change]
 
## Why We're Making This Change
[Honest explanation - better performance, security, consistency]
 
## Who's Affected
-✅ Users of SDK v2.x - no action required
-⚠️ Users of SDK v3.0.0+ - update required
-⚠️ Direct API users on v1 - update required
 
## Required Actions
 
### If you use our SDK:

 
### If you call the API directly:

 
## Migration Guide
[Link to detailed migration documentation]
 
## Timeline
- **Now**: v3.0.0 beta available for testing
- **Feb 1**: v3.0.0 stable released
- **Mar 1**: v2.x enters legacy support
- **Mar 15**: Breaking changes take effect in API
- **Sep 15**: v2.x sunset (no longer supported)
 
## Need Help?
- [Migration guide](link)
- [Office hours signup](link)
- [Support channel](link)

6 months before:  Announce upcoming change
3 months before:  Release new version with migration path
1 month before:   Send direct emails to affected users
2 weeks before:   Final reminder
Day of:           Change takes effect
1 week after:     Follow-up for stragglers

import warnings
def old_method(self, user_id):
    """
    .. deprecated:: 2.3.0
       Use :meth:`new_method` instead. Will be removed in v3.0.0.
    """
    warnings.warn(
        "old_method() is deprecated and will be removed in v3.0.0. "
        "Use new_method() instead. "
        "Migration guide: https://docs.example.com/migrate-v3",
        DeprecationWarning,
        stacklevel=2
    )
    return self.new_method(id=user_id)

HTTP/1.1 200 OK
Deprecation: Sun, 15 Sep 2024 00:00:00 GMT
Sunset: Sun, 15 Mar 2025 00:00:00 GMT
Link: <https://docs.example.com/migrate-v3>; rel="deprecation"
 
{
  "data": {...},
  "_deprecation": {
    "message": "This endpoint is deprecated",
    "sunset": "2025-03-15",
    "migration": "https://docs.example.com/migrate-v3"
  }
}

### Deprecated
-**`/v1/analyze` endpoint**: Use `/v2/analyze` instead.
  -Migration guide: [link]
  -Sunset date: March 15, 2025
  -After sunset: Requests will return 410 Gone

# Coming in Q2 2024
 
## Batch Processing API (Beta available now)
Process up to 1,000 items in a single request.
[Join the beta](link)
 
## Python SDK v3.0
Complete rewrite with async support, type hints, and 50% faster.
[Preview documentation](link)
 
## EU Data Residency
For customers with European data requirements.
[Join waitlist](link)

# Release Schedule
 
**SDK Releases**: First Monday of each month
**API Updates**: Continuous (backward compatible)
**Breaking Changes**: Twice per year (March, September)
 
Subscribe to updates:
-[GitHub releases](link)
-[Email newsletter](link)
-[Discord announcements](link)
-[Twitter/X](link)

# 🚀 SDK v3.0 Launch
 
We're excited to announce the biggest SDK update in 2 years!
 
## Highlights
-**50% faster** request processing
-**Full async support** for high-throughput applications
-**Type hints** throughout for better IDE support
-**Simplified auth** - configure once, use everywhere
 
## Launch Week
-**Monday**: SDK v3.0 stable release
-**Tuesday**: Live coding session (YouTube)
-**Wednesday**: Migration office hours
-**Thursday**: Community showcase
-**Friday**: AMA with the SDK team
 
## Resources
-[Documentation](link)
-[Migration guide](link)
-[Video walkthrough](link)
 
## Thank You
Special thanks to our 47 beta testers who found 23 bugs
and suggested 12 improvements that made it into this release!

Subject: [Product] v2.3.0 Released - Batch Processing + Bug Fixes
 
Hey [name],
 
We just released v2.3.0 with some improvements you'll like:
 
✨ New batch processing API - handle 100 items at once
🐛 Fixed timeout issues with large files
⚡ 40% faster list operations
 
Full changelog: [link]
Upgrade guide: [link]
 
Happy building,
The [Product] Team

Subject: ⚠️ Action Required: [Product] Breaking Change on March 15
 
Hey [name],
 
We're making changes to improve [X], and you'll need to
update your integration before March 15.
 
What's changing: [one sentence]
What you need to do: [one sentence]
Full details: [link]
 
Need help? Reply to this email or join our office hours: [link]
 
Best,
The [Product] Team