Bump esphome from 2026.2.4 to 2026.3.3

[dependabot]

Bumps esphome from 2026.2.4 to 2026.3.3.

Release notes

Sourced from esphome's releases.

2026.3.3

• [nextion] Fix queue age check using inconsistent time sources esphome#15317 by @​edwardtfn
• [online_image] Clear LVGL dsc when image size changes. esphome#15360 by @​clydebarrow
• [esp32] Clean build when sdkconfig options change esphome#15439 by @​clydebarrow

2026.3.2

• [time] Point to valid IANA timezone list on validation failure esphome#15110 by @​bdraco
• [wifi] Fix roaming attempt counter reset on disconnect during scan esphome#15099 by @​bdraco
• [wifi] Reduce ESP8266 roaming scan dwell time to match ESP32 esphome#15127 by @​bdraco
• [sx127x] Fix FIFO read corruption esphome#15114 by @​swoboda1337
• [datetime] Fix state_as_esptime() returning invalid timestamp esphome#15128 by @​bdraco
• [wifi] Fix roaming counter reset from delayed disconnect and successful retry esphome#15126 by @​bdraco
• [wifi] Filter fast_connect by band_mode and use background scan for roaming esphome#15152 by @​swoboda1337
• [uart] Fix debug callback missing peeked byte and reading past end esphome#15169 by @​swoboda1337
• [sgp4x] Fix NOx index_offset default (should be 1, not 100) esphome#15212 by @​swoboda1337
• [esp32_ble_server] Fix set_value action with static data lists esphome#15285 by @​bdraco
• [esp8266] Add enable_scanf_float option esphome#15284 by @​bdraco (new-feature)
• [thermostat] Fix stale max_runtime_exceeded causing spurious supplemental heating/cooling esphome#15274 by @​kbx81
• [haier] Fix hOn half-degree temperature setting esphome#15312 by @​swoboda1337
• [tormatic] Fix UART stream desync on ESP32 esphome#15337 by @​swoboda1337
• [uart] fix baud rate not applied on load_settings() for ESP32 (IDF) esphome#15341 by @​edwardtfn
• [mixer] Fix memory leak in mixer task on stop/start cycles esphome#15185 by @​kahrendt
• [esp32_ble_tracker] Restart BLE scan after OTA failure esphome#15308 by @​bdraco

2026.3.1

• Bump aioesphomeapi from 44.5.2 to 44.6.0 esphome#14927 by @​dependabot[bot]
• [http_request] Prevent double update task launch esphome#14910 by @​bdraco
• [ble_client] Fix RSSI sensor reporting same value for all clients esphome#14939 by @​swoboda1337
• [openthread] Guard InstanceLock against uninitialized semaphore esphome#14940 by @​swoboda1337
• Bump aioesphomeapi from 44.6.0 to 44.6.1 esphome#14954 by @​dependabot[bot]
• [time] Fix lookup of top-level IANA timezone keys like UTC and GMT esphome#14952 by @​bdraco
• [logger] Fix ESP8266 crash with VERY_VERBOSE log level esphome#14980 by @​bdraco
• [sdl] Fix get_width()/height() when rotation used esphome#14950 by @​clydebarrow
• [uart] Fix UART0 default pin IOMUX loopback on ESP32 esphome#14978 by @​bdraco
• [ld2450] Fix zone target counts including untracked ghost targets esphome#15026 by @​kroehre
• Bump aioesphomeapi from 44.6.1 to 44.6.2 esphome#15027 by @​dependabot[bot]
• [api] Increase noise handshake timeout to 60s for slow WiFi environments esphome#15022 by @​bdraco
• [wifi] Fix ESP8266 power_save_mode mapping (LIGHT/HIGH were swapped) esphome#15029 by @​bdraco (breaking-change)
• [esp32_touch] Fix initial state never published when sensor untouched esphome#15032 by @​swoboda1337
• [web_server] Increase httpd task stack size to prevent stack overflow esphome#14997 by @​bdraco
• [core] Add copy() method to StringRef for std::string compatibility esphome#15028 by @​bdraco
• [time] Fix timezone_offset() and recalc_timestamp_local() always returning UTC esphome#14996 by @​bdraco
• [analog_threshhold] add missing header esphome#15058 by @​ssieb
• [mqtt] Rate-limit component resends to prevent task WDT on reconnect esphome#15061 by @​bdraco
• [light] Fix constant_brightness broken by gamma LUT refactor esphome#15048 by @​bdraco
• [sht4x] Fix heater causing measurement jitter esphome#15030 by @​bdraco
• [uart] Fix RTL87xx compilation failure due to SUCCESS macro collision esphome#15054 by @​bdraco
• [light] Fix gamma LUT quantizing small brightness to zero esphome#15060 by @​bdraco
• [ultrasonic] Fix ISR edge detection with debounce and trigger filtering esphome#15014 by @​swoboda1337
• [logger] Fix race condition in task log buffer initialization esphome#15071 by @​bdraco

... (truncated)

Commits

• 496c395 Merge pull request #15489 from esphome/bump-2026.3.3
• 1c67e4c Bump version to 2026.3.3
• 162c881 [esp32] Clean build when sdkconfig options change (#15439)
• 9036c29 [online_image] Clear LVGL dsc when image size changes. (#15360)
• 9bd9361 [nextion] Fix queue age check using inconsistent time sources (#15317)
• b7dabe2 Merge pull request #15342 from esphome/bump-2026.3.2
• 600ca01 Bump version to 2026.3.2
• 6505115 [esp32_ble_tracker] Restart BLE scan after OTA failure (#15308)
• 514c0c8 [mixer] Fix memory leak in mixer task on stop/start cycles (#15185)
• dc634b8 [uart] fix baud rate not applied on load_settings() for ESP32 (IDF) (#15341)
• Additional commits viewable in compare view

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