[lvgl] Fix type of byte_order parameter

[guillempages]

Description

The byte_order global configuration parameter for lvgl wrongly specifies int16 as its type; while the available values are big_endian or little_endian, which are strings.

Related issue (if applicable): fixes

Pull request in esphome with YAML changes (if applicable):

esphome/esphome#16702

Checklist

• I am merging into next because this is new documentation that has a matching pull-request in esphome as linked above.
  or

• I am merging into current because this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.

• Link added in /src/content/docs/components/index.mdx when creating new documents for new components or cookbook.

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[coderabbitai]

Caution

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Walkthrough

Repository version metadata is bumped to 2026.6.0-dev and multiple documentation pages were updated across components (LVGL, lights, NeoPixelBus, RP2040, network, WiFi, speaker, time, packages, Nextion, Mitsubishi climate) to clarify configuration types, defaults, new options, deprecation and migration guidance, and behavior notes.

Changes

Documentation edits and version metadata

Layer / File(s)	Summary
Repository version metadata update data/version.yaml	Update release to 2026.6.0-dev and version to 2026.6.
Mitsubishi CN105 swing mode docs src/content/docs/components/climate/mitsubishi_cn105.mdx	Adds supported_swing_modes option, updates example to BOTH, and expands supported features list to include OFF, VERTICAL, HORIZONTAL, BOTH.
Nextion display docs removal src/content/docs/components/display/nextion.mdx	Removes dump_device_info configuration variable entry.
Light effect next/previous actions src/content/docs/components/light/index.mdx	Adds docs for light.effect.next/light.effect.previous actions, parameters, examples, and behavior notes.
NeoPixelBus ESP32 deprecation & migration src/content/docs/components/light/neopixelbus.mdx	Replaces ESP-IDF warning with CAUTION about ESP32 deprecation (2026.6 → removal by 2027.1), notes upstream status, and adds ESP32 migration paths.
LVGL byte_order type correction src/content/docs/components/lvgl/index.mdx	Changes byte_order field type to string with allowed values big_endian/little_endian, notes auto-configuration from display metadata; default big_endian.
LVGL meter arc rounded option src/content/docs/components/lvgl/widgets.mdx	Documents new optional boolean rounded for meter.scales.indicators.arc (default false).
Network enable_ipv6 nRF52 note src/content/docs/components/network.mdx	Adds note that enable_ipv6 is always true on nRF52 due to lack of IPv4 support; retains default line.
Packages shorthand host list src/content/docs/components/packages.mdx	Adds supported shorthand package hosts list (Codeberg, GitHub, GitLab) to remote/Git packages example.
RP2040 board/variant config docs src/content/docs/components/rp2040.mdx	Makes board optional, adds variant option, and documents validation/inference and compatibility warnings.
SPDIF constraints and example update src/content/docs/components/speaker/i2s_audio.mdx	Removes bits_per_sample constraint and example line; retains sample_rate and channel constraints and updates example accordingly.
Home Assistant time source timezone behavior src/content/docs/components/time/homeassistant.mdx	Documents build-host timezone inference and runtime updates from Home Assistant; explicit timezone prevents updates.
Timezone empty-string disables handling src/content/docs/components/time/index.mdx	Documents that timezone: "" disables timezone handling so device operates on UTC.
WiFi min_auth_mode default wording src/content/docs/components/wifi.mdx	Updates default wording to state WPA2 is default on both ESP32 and ESP8266.
Security guide WiFi guidance src/content/docs/guides/security_best_practices.mdx	Unifies best-practices wording to WPA2 default across ESP32/ESP8266 and notes min_auth_mode: WPA3 on ESP32.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically identifies the main change: fixing the documented type of the byte_order parameter in the lvgl component from int16 to string.
Description check	✅ Passed	The description is directly related to the changeset, explaining that byte_order was incorrectly documented as int16 when the actual values are strings (big_endian or little_endian).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[clydebarrow]

LGTM but...

esphome/esphome#16702 changes this somewhat as it allows LVGL to infer the correct byte order from the display byte order.

Maybe tie this PR to that one, and amend the wording to add the information about the automatic byte_order selection?

[guillempages]

I've updated the wording and linked it to your PR in the description. (And rebased it to "next" instead of "current")