# ESPHome 2026.8.0b4

- Product: ESPHome (https://whatsnew.fyi/product/esphome)
- Vendor: Open Home Foundation
- Date: 2026-08-16
- Version: 2026.8.0b4
- Original notes: https://github.com/esphome/esphome/releases/tag/2026.8.0b4
- Permalink: https://whatsnew.fyi/product/esphome/releases/2026.8.0b4
- Labels: Pre-release

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **changed** — Bump bundled esphome-device-builder to 1.11.0
- **fixed** — Account for min value when resetting rotary_encoder
- **fixed** — Pass NaN through the delta filter again in sensor
- **changed** — Skip ccache when the binary on PATH fails to run in platformio
- **fixed** — Bump esp-zigbee-sdk to 2.0.4 for zigbee
- **changed** — Fail early with a clear error on non BLE 5.x SoCs in bk72xx_ble
- **changed** — Skip redundant ESP8266 main loop wake posts from ISR context
- **changed** — Split crash handler addr2line hint per core in esp32

- Bump bundled esphome-device-builder to 1.10.0 [esphome#18389](https://github.com/esphome/esphome/pull/18389) by [@esphome[bot]](https://github.com/apps/esphome)
- [rotary_encoder] account for min value when resetting [esphome#18197](https://github.com/esphome/esphome/pull/18197) by [@ssieb](https://github.com/ssieb)
- Bump bundled esphome-device-builder to 1.11.0 [esphome#18403](https://github.com/esphome/esphome/pull/18403) by [@esphome[bot]](https://github.com/apps/esphome)
- [platformio] Skip ccache when the binary on PATH fails to run [esphome#18407](https://github.com/esphome/esphome/pull/18407) by [@bdraco](https://github.com/bdraco)
- [sensor] Pass NaN through the delta filter again [esphome#18400](https://github.com/esphome/esphome/pull/18400) by [@swoboda1337](https://github.com/swoboda1337)
- [zigbee] bump esp-zigbee-sdk to 2.0.4 [esphome#18415](https://github.com/esphome/esphome/pull/18415) by [@luar123](https://github.com/luar123)
- [bk72xx_ble] Fail early with a clear error on non BLE 5.x SoCs [esphome#18406](https://github.com/esphome/esphome/pull/18406) by [@bdraco](https://github.com/bdraco)
- [core] Skip redundant ESP8266 main loop wake posts from ISR context [esphome#18416](https://github.com/esphome/esphome/pull/18416) by [@bdraco](https://github.com/bdraco)
- [esp32] Split crash handler addr2line hint per core [esphome#18418](https://github.com/esphome/esphome/pull/18418) by [@bdraco](https://github.com/bdraco)