[blog] Add breaking change blog post for Climate entity class optimizations #68
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Pull Request Overview
This PR introduces a comprehensive blog post documenting breaking changes to ESPHome's Climate entity class in version 2025.11.0, focusing on memory optimization through the use of FiniteSetMask and flash storage for custom modes.
Key Changes:
- Documents the transition from
std::settoFiniteSetMaskfor climate trait enums, saving ~440 bytes heap per entity - Explains the migration from heap-allocated
std::stringto flash-storedconst char*for custom modes - Provides detailed migration guide with code examples for external component developers
Reviewed Changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| docs/blog/posts/2025-11-07-climate-entity-optimizations.md | Comprehensive blog post documenting breaking API changes and migration steps for Climate entity optimizations |
| docs/blog/.authors.yml | Adds bdraco (J. Nick Koston) as a blog author |
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Summary
Adds blog post documenting breaking changes in Climate entity class (esphome/esphome#11466 and esphome/esphome#11621).
Breaking changes:
std::set<EnumType>toFiniteSetMask(~440 bytes heap saved per climate)std::vector<std::string>tostd::vector<const char*>(~48 bytes per ClimateCall)add_supported_custom_*()removed, useset_supported_custom_*()insteadBlog post includes complete migration guide, API compatibility notes, lifetime safety patterns, and grep commands.
Also includes
.authors.ymlupdate (bdraco) since #66 and #67 haven't merged yet.