You will be provided with a reference and some statements. Please determine whether each statement is 'supported', 'unsupported', or 'unknown' with respect to the reference. Please note:
First, assess whether the reference contains any valid content. If the reference contains no valid information, such as a 'page not found' message, then all statements should be considered 'unknown'.
If the reference is valid, for a given statement: if the facts or data it contains can be found entirely or partially within the reference, it is considered 'supported' (data accepts rounding); if all facts and data in the statement cannot be found in the reference, it is considered 'unsupported'.

You should return the result in a JSON list format, where each item in the list contains the statement's index and the judgment result, for example:
[
    {
        "idx": 1,
        "result": "supported"
    },
    {
        "idx": 2,
        "result": "unsupported"
    }
]

Below are the reference and statements:
<reference>
Matter Nears Smart-Home Mainstream - Electronic Times

This is the English news site of the Electronic Times. Most of e-business leaders and internet professionals in korea turn to ETNews for driving their organizations and searching foe the up-to-date IT related news

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Matter Nears Smart-Home Mainstream

Ryu Geun-il

Published : Sep 01, 2026

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Products built on Matter, the global interoperability standard for smart homes, are gaining ground rapidly. Nearly half of smart-home devices launched this year have obtained Matter certification, indicating that the market is moving away from isolated, platform-specific ecosystems.

The momentum is particularly strong among Chinese manufacturers. A growing number of devices can now work across multiple platforms—including Samsung SmartThings, Amazon Alexa, Google Home and Apple Home—rather than being tied to a single company's ecosystem.

Samsung SmartThings began offering streamlined integration with IKEA Matter devices in April.

According to data analyzed by smart-home product comparison database Smart Home Compared, 47.9% of smart-home products launched this year support Matter. That share has risen steadily from 28.9% in 2023 and 32.1% in 2024 to 42% last year.

The analysis covered 1,015 products across 36 product categories from 87 brands. When all products currently on the market are counted regardless of launch year, Matter-compatible devices account for 31% of the total. The data shows Matter quickly gaining influence across the smart-home market.

Chinese companies are driving much of that expansion. Products from Chinese manufacturers account for 438 models, or 43.2% of the total, well ahead of the 302 products from U.S. companies. U.S. companies are represented by more brands—35, compared with 25 Chinese brands—but Chinese firms offer a larger number of products per brand.

Chinese smart-home companies are increasingly using Matter as a core compatibility standard for global expansion. Aqara, Tuya, SwitchBot and EZVIZ are broadening Matter support beyond lighting, sensors and hubs to cameras and home appliances.

Matter is a smart-home connectivity standard released by the Connectivity Standards Alliance, or CSA, in October 2022. The alliance includes Samsung Electronics, Apple, Google and Amazon, among other major technology and smart-home companies. Matter is designed to enable interoperable communication among devices regardless of their manufacturer or operating system.

In practice, a Matter-compatible device can be used with major platforms such as Samsung SmartThings, Apple Home and Google Home without relying solely on a proprietary ecosystem. The standard uses IP-based connectivity and supports technologies including Wi-Fi and Thread, enabling devices from different brands to be discovered, added and controlled through compatible smart-home platforms.

Matter still represents a smaller share of the overall smart-home market than the major platforms' individual compatibility ecosystems. Among products tracked by Smart Home Compared, 83.2% support Alexa and 72.8% support Google Home. Samsung SmartThings follows at 49.4%, while Apple HomeKit accounts for 41.3%. Matter-compatible products represent 26.1%, still below the leading big-tech platforms.

In South Korea, the smart-home industry is also looking to Matter as a common standard that can help small and midsize appliance makers enter global markets. For companies that lack the resources to build their own smart-home platforms, Matter can reduce the burden of developing separate integrations while enabling products to reach global ecosystems such as SmartThings, Google Home and Apple Home.

The Korea AI Smart Home Industry Association is expanding standards and certification support, as well as developer training, to help domestic companies respond to Matter. This year, it is offering hands-on programs on device development and certification based on the latest Matter specifications, supporting the entry of Korean small and midsize companies into the Matter ecosystem.

“Chinese companies are quickly applying Matter across a wide range of product categories as they expand overseas,” an industry official said. “Korean companies also need to strengthen their readiness for global smart-home standards from the product-development stage.”

Share of Matter-supported products over time

· This article was translated using AI and was published after final review by the reporter.

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</reference>

<statements>
1. Matter is now common among new launches, but installed-base share, platform feature parity, battery behaviour and health-sensing semantics remain uneven
2. According to data from the Smart Home Compared database reported by Electronic Times, 47.9% of smart-home products launched in 2026 support Matter, up from 28.9% in 2023, 32.1% in 2024 and 42% in 2025
3. The installed-base picture is weaker and internally inconsistent in the same article: it reports Matter-compatible devices at 31% when counting all products currently on the market, but 26.1% in the platform-comparison table, still below Alexa at 83.2%, Google Home at 72.8%, SmartThings at 49.4% and Apple HomeKit at 41.3%
4. Chinese manufacturers are driving much of the expansion, with Aqara, Tuya, SwitchBot and EZVIZ extending Matter support beyond lighting, sensors and hubs into cameras and home appliances, while Samsung SmartThings began streamlined IKEA Matter integration in April 2026
5. Matter is in nearly half of 2026 launches, but installed-base share remains below major platforms and inconsistent across ecosystems
6. Matter is now common in launches but still uneven in installed base, device types, battery behaviour and platform support
</statements>

Begin the assessment now. Output only the JSON list, without any conversational text or explanations.