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Apple on Monday released the eighth developer betas of macOS 27, iOS 27, iPadOS 27, tvOS 27, and watchOS 27, continuing the final stretch of testing before the software is expected to ship to the public in September.

The new builds arrive one week after the seventh developer betas, which went out on August 24. At this point in the cycle, Apple is typically focused on bug fixes, performance, and stability rather than large new user-facing features. Release candidates are widely expected after Apple’s September hardware event.

Build numbers

• iOS 27 beta 8: 24A5430a (replacing 24A5424a)
• iPadOS 27 beta 8: 24A5430a (replacing 24A5424a)
• macOS 27 beta 8: 26A5425a (replacing 26A5421a)
• watchOS 27 beta 8: 24R5360a (replacing 24R5358a)

Apple also issued matching eighth betas for tvOS 27 and visionOS 27.

macOS 27 continues under the Golden Gate name. It is the first macOS release limited to Apple silicon Macs.

How to install

Registered developers can install the updates over the air:

• iPhone and iPad: Settings → General → Software Update → Beta Updates, then choose the iOS 27 or iPadOS 27 Developer Beta.

• Mac: System Settings → General → Software Update.

• Apple Watch: Use the Watch app on a paired iPhone. The watch should be on the charger, on Wi-Fi, and at least 50 percent charged.

Full restore images are also available from the Apple Developer site. Public beta testers usually receive corresponding public builds shortly after the developer drop.

What these releases are building toward

The “27” operating systems were first shown at WWDC 2026 on June 8, with developer beta 1 following the same day. Public betas began in mid-July. The official fall releases are expected alongside new iPhones and other hardware.

Headline features across the platforms include:

Siri AI. Apple’s rebuilt assistant is the centerpiece. It is designed as a more conversational chatbot with general world knowledge, personal context from apps such as Messages and Mail, and on-screen awareness. iOS 27 also adds a standalone Siri app for conversation history, systemwide Write with Siri, and Visual Intelligence relocated into the Camera app with a Siri mode. On Apple Watch, Siri AI requires a paired iPhone that supports Apple Intelligence (iPhone 15 Pro and later).

Apple Intelligence elsewhere. New AI features land in Photos, Safari, Shortcuts, Wallet, and Passwords. On the Mac, Spotlight and Shortcuts pick up deeper Siri AI integration, including natural-language shortcut creation.

Liquid Glass refinements. After last year’s more aggressive glass look, Apple has improved legibility and added a transparency slider so users can dial the effect from glassy to more opaque. macOS 27 also revisits window chrome, including traffic-light controls and more consistent corner radii.

Performance. Apple has emphasized faster app launches, quicker keyboard appearance, snappier AirDrop, better Wi-Fi/cellular handoff, and improvements that are noticeable even on older supported iPhones. watchOS 27 includes battery optimizations, an updated Find My experience with Precision Finding, Workout Buddy improvements that work without a nearby iPhone, and a Dynamic app grid with Siri suggestions.

Some capabilities remain limited by region or regulation. Earlier in the cycle, Siri AI features were reported as blocked for EU developers under Digital Markets Act rules, and certain Apple Intelligence features have been unavailable in China while Apple works through local requirements.

What to expect next

Ninth-week betas this late in the summer are often the last regular developer drops before release candidates. Those RCs frequently appear after Apple’s September event, when the company also tends to reveal any remaining watch faces, health features, or hardware-tied software that was held back from earlier betas.

The finished versions of iOS 27, iPadOS 27, macOS 27 Golden Gate, watchOS 27, tvOS 27, and visionOS 27 are still expected for the public this fall.

MacDailyNews Note: As always, beta software can be unstable. A backup is strongly recommended before installing.

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The post Apple seeds eighth betas of macOS 27, iOS 27, iPadOS 27, tvOS 27, and watchOS 27 appeared first on MacDailyNews.

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A Apple está testando uma nova barra de formatação para a seção de texto do Mail no macOS Golden Gate 27, dando maior destaque às Ferramentas de Escrita (Writing Tools) da Apple Intelligence.

A nova versão foi compartilhada pelo usuário mactracker na versão beta do macOS 27 e, como apontado por ele, permite exibir sugestões contextuais de respostas inteligentes geradas pela Siri sem a necessidade de inserir automaticamente no rascunho, semelhante ao funcionamento de outras inteligências artificiais (IA) em apps de email.

Apple working on redesigned Formatting Bar for Mail
byu/pdfu inMacOSBeta

As opções da nova barra incluem alternativas de edição, reescrita, correções gramaticais e/ou de escrita e uma opção intitulada “How does this sound?”, além das ferramentas tradicionais de formatação, escanteadas na lateral direita do novo layout.

Na versão atual, essas opções de formatação de texto também estão recolhidas na lateral direita da janela do aplicativo, desaparecendo por completo assim que se seleciona a opção de escrever com a Siri.

O novo layout está oculto por trás de uma feature flag interna, de forma que a maioria dos usuários da versão beta não consegue habilitá-lo. A beta 4 apresenta ainda algumas inconsistências no funcionamento do recurso, como a ausência da barra na escrita de novas mensagens, restringindo o seu funcionamento às réplicas de email.

Não se sabe ao certo se o recurso chegará à versão final do macOS 27 (prevista para aterrissar em setembro), mas ele parece acompanhar as reformulações propostas sobre a integração das ferramentas de IA no cotidiano do ecossistema da Apple nos sistemas 27.

via MacRumors

With the launch of the MacOS 27 Golden Gate public beta program, now even more users can experience MacOS 27 as it’s actively being worked on by Apple. MacOS 27 Golden Gate has a heavy focus on performance improvements, but there’s also refinements other than the Liquid Glass interface look, improvements to Spotlight and Mail ... Read More

The post How to Install macOS 27 Golden Gate Public Beta on Mac appeared first on OS X Daily.

Apple appears to be testing a hidden popover interface for Siri AI in the macOS 27 Golden Gate beta that surfaces Writing Tools and contextual actions whenever the user selects some text, MacRumors reports.

Spotted by a member of Reddit’s r/MacOSBeta community, the floating icon appears at the top-left of the selected text, expanding when the pointer hovers over it to a compact popover of the tools and actions.

Tim Hardwick for MacRumors:
‎

Currently, the popover offers the tools Rewrite, Proofread, “How does this sound?” and “Edit with Siri,” plus options for creating key points and summarizing text. The contextual actions are based on the content selected, including things like adding contact details, composing a message or email, creating a calendar event, showing a location in Maps, and tracking flights or packages.

The Siri popover is disabled by default in macOS 27 developer beta 3 and public beta 1. Beta testers found it can be switched on through a private feature flag, but the feature is clearly unfinished. Some of the actions don’t respond, suggesting Apple is still building out the underlying functionality.

‎
MacDailyNews Take: Terminal commands for enabling Apple’s secret Siri AI interface in the full article here.

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The post How to enable Apple’s secret Siri AI interface buried in macOS 27 beta appeared first on MacDailyNews.

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Um membro do fórum do MacRumors identificado como mactracker descobriu, na quarta beta do macOS Golden Gate 27, uma nova interface a qual permitirá que usuários personalizem a voz da Siri.

Desativada por padrão, ela lembra, de certa forma, a interface de ajuste dos estilos fotográficos do iOS, com o usuário tendo que segurar e arrastar o dedo — ou, no caso do Siri no macOS 27, o cursor do mouse — por uma malha de pontos brancos.

Como explicado por mactracker, conforme o cursor do mouse navega por essa malha, a voz da Siri é modulada para reproduzir certas características. Quanto mais o cursor do mouse se aproxima de um ponto, mais clara a voz da Siri fica.

Esse “voice pad”, como a interface está sendo popularmente chamada, também conta com animações elaboradas e bastante coloridas, além de vir acompanhado de um áudio de referência — com direito a Áudio Espacial (Spatial Audio) — que fica tocando sem parar no fundo.

Ainda segundo as informações, essa malha comporta 13 pontos diferentes, sugerindo que o novo sistema operacional do Mac ganhará novas opções de vozes para a assistente virtual. Como a quarta beta do macOS 27 não conta com todos os modelos de voz necessários, no entanto, apenas 2 opções personalizadas podem ser definidas pelo usuário por enquanto.

A nova versão do sistema também inclui um arquivo com descrições (algumas mais completas do que outras) para todas essas 13 vozes:

Gênero	Idade	Características	Estilo
Feminino	Jovem	Fala mansa	—
Feminino	Jovem	Sussurrante, brilhante, suave	—
Feminino	Adulto na faixa dos 20 anos	—	—
Feminino	Adulto na faixa dos 30 anos	—	Amigável
Feminino	Adulto na faixa dos 30 anos	—	Entusiasmada, relaxada, aconchegante
Feminino	Adulto na faixa dos 40 anos	—	—
Feminino	Velho	—	—
Masculino	Jovem	—	—
Masculino	Adulto na faixa dos 30 anos	Profunda	—
Masculino	Adulto na faixa dos 30 anos	Suave	—
Masculino	Adulto na faixa dos 30 anos	Rica	Amigável
Masculino	Velho	—	—
Masculino	Desconhecido	—	—

Ativar essa interface, porém, não é exatamente fácil, com usuários tendo que desativar o recurso System Integrity Protection (SIP) e sobrepor o código interno usando um depurador. Caso contrário, o sistema continuará exibindo o menu tradicional da voz da Siri no app Ajustes do Sistema (System Settings).

Por fim, embora essa interface tenha sido encontrada apenas no macOS 27, ela utiliza o mesmo framework de configuração da Siri que o iOS 27 e o iPadOS 27, o que sugere que ela também poderá dar as caras em iPhones e iPads. Ademais, também foi confirmado que ela será localizada para 44 outros idiomas.

via MacRumors