It’s easy to get confused by parameter and argument terminology so this article takes a deeper dive along with direct and dynamic message passing. Enjoy!

In a September 1st post to tech@ titled immutable userland mappings, Theo de Raadt (deraadt@) gave us a preview of code that may soon land in -current. The message leads in,

In the last few years, I have been improving the strictness of userland
memory layout.

An example is the recent addition of MAP_STACK and msyscall().  The first one
marks pages that are stack, so that upon entry to the kernel we can check if
the stack-pointer is pointing in the stack range.  If it isn't, the most obvious
conclusion is that a ROP pivot has occured, and we kills the process.  The second
one marks the region which contains syscall traps, if upon entry to the kernel
the PC is not in that region, we know somone is trying to do system calls via
an unapproved method.

Read more…

Unless otherwise noted, changes described below apply to the newest Chrome beta channel release for Android, ChromeOS, Linux, macOS, and Windows. Learn more about the features listed here through the provided links or from the list on ChromeStatus.com. Chrome 106 is beta as of September 1, 2022. You can download the latest on Google.com for desktop or on Google Play Store on Android.

Origin Trials

This version of Chrome supports the origin trials described below. Origin trials allow you to try new features and give feedback on usability, practicality, and effectiveness to the web standards community. To register for any of the origin trials currently supported in Chrome, including the ones described below, visit the Chrome Origin Trials dashboard. To learn more about origin trials in Chrome, visit the Origin Trials Guide for Web Developers. Microsoft Edge runs its own origin trials separate from Chrome. To learn more, see the Microsoft Edge Origin Trials Developer Console.

Anonymous iframes

Anonymous iframes give developers a way to load documents in third-party iframes using new and ephemeral contexts. Anonymous iframes are a generalization of COEP, i.e. Cross-Origin-Embedder-Policy: credentialless to support third-party iframes that may not deploy COEP. As with COEP: credentialless, it replaces the opt-in of cross-origin subresources with avoiding loading of non-public resources. This removes the constraint that third party iframes must support COEP in order to be embedded in a COEP page and unblocks developers looking to adopt cross-origin-isolation.

The origin trial is expected to last through Chrome 108. To sign up for the origin trial, visit its sign up page.

Pop-Up API

The Pop-Up API lets developers build transient user interface elements to display on top of other web app interface elements. This API is useful for creating interactive elements such as action menus, form element suggestions, content pickers, and teaching user interfaces.

This API uses a new popup content attribute to enable any element to be displayed in the top layer. This attribute’s effect on the pop-up is similar to that of the <dialog> element, but has several important differences, including light-dismiss behavior, pop-up interaction management, animation, event support, and non-modal mode.

The origin trial is expected to last through Chrome 110. To sign up for the origin trial, visit its sign up page.

Other Features in this Release

Client Hints persistency in Android WebView

Client Hints are now persisted on Android WebView, creating parity with the rest of the web platform. Previously, WebView did not persist the list of Client Hints a page requests, so the initial load of a website would never include Client Hints. Only subresources on a given page would receive them. This undermined the use of the Client Hints system, which is to empower websites to adapt content to the user agent. For more information on Client Hints, see HTTP Client hints.

CSS

grid-template properties interpolation

In CSS Grid, the 'grid-template-columns' and 'grid-template-rows' properties allow developers to define line names and track sizing of grid columns and rows respectively. Supporting interpolation for these properties allows grid layouts to smoothly transition between states, instead of snapping at the halfway point of an animation or transition.

‘ic’ length unit

The 'ic' length unit expresses CSS lengths relative to the advanced measure of the water ideograph used in some Asian fonts such as Chinese and Japanese. This allows authors to size elements to fit a given number of full width glyphs for such fonts. Gecko and WebKit already support this unit. Adding this to Chrome is part of Interop 2022.

‘preserve-parent-color’ value for the ‘forced-color-adjust’ CSS property.

The 'preserve-parent-color' value has been added to the 'forced-color-adjust' CSS property. Previously, when the forced colors mode was enabled, the 'color' property was inherited. Now, when the 'preserve-parent-color' value is used, the 'color' property will use the value of its parent. Otherwise, the 'forced-color-adjust: preserve-parent-color' value behaves the same as 'forced-color-adjust: none'.

Unprefix -webkit-hyphenate-character property

Chrome now supports the unprefixed hyphenate-character property in addition to the -webkit-hyphenate-character property. The -webkit-hyphenate-character property will be deprecated at a later date.

JavaScript: Intl.NumberFormat v3 API

Intl.NumberFormat has the following new features:

• Three new functions to format a range of numbers: formatRange(), formatRangeToParts(), and selectRange()
• A grouping enum
• New rounding and precision options
• Rounding priority
• Interpretation of strings as decimals
• Rounding modes
• Sign display negative (zero shown without a negative sign)

For more information, see the original proposal’s README.

SerialPort BYOB reader support

The underlying data source for a ReadableStream provided by a SerialPort is now a readable byte stream. SerialPort “bring your own buffer” (BYOB) is backwards-compatible with existing code that calls port.readable.getReader() with no parameters. To detect support for this feature, pass 'byob' as the mode parameter when calling getReader(). For example:

port.readable.getReader({ mode: 'byob' });

Older implementations will throw a TypeError when the new parameter is passed.

BYOB readers allow developers to specify the buffer into which data is read instead of the stream allocating a new buffer for each chunk. In addition to potentially reducing memory pressure, this allows the developer to control how much data is received because the stream cannot return more than there is space for in the provided buffer. For more information, see Read from and write to a serial port.

WebCodecs dequeue event

A dequeue event and associated callback have been added to the audio and video interfaces, specifically: AudioDecoder, AudioEncoder, VideoDecoder, and VideoEncoder.

Developers may initially queue encoding or decoding work by calling encode() or decode() respectively. The new dequeue event is fired to indicate when the underlying codec has ingested some or all of the queued work. The decrease in the queue size is already reflected by a lower value of encoder.encodeQueueSize and decoder.decodeQueueSize attributes. The new event eliminates the need to call setTimeout() to determine when the queue has decreased (in other words, when they should queue more work).

WebXR Raw Camera Access

Applications using the WebXR Device API can now access pose-synchronized camera image textures in the contexts that also allow interacting with other AR features provided by WebXR.

Deprecations, and Removals

This version of Chrome introduces the deprecations and removals listed below. Visit ChromeStatus.com for lists of current deprecations and previous removals.

Remove non-ASCII characters in cookie domain attributes

To align with the latest spec (RFC 6265bis), Chromium now rejects cookies with a Domain attribute that contains non-ASCII characters (for example, éxample.com).

Support for IDN domain attributes in cookies has been long unspecified, with Chromium, Safari, and Firefox all behaving differently. This change standardizes Firefox’s behavior of rejecting cookies with non-ASCII domain attributes.

Since Chromium has previously accepted non-ASCII characters and tried to convert them to normalized punycode for storage, we will now apply stricter rules and require valid ASCII (punycode if applicable) domain attributes.

Remove HTTP/2 push

Chrome has removed the ability to receive, keep in memory, and use HTTP/2 push streams sent by the server. See Removing HTTP/2 Server Push from Chrome for details and suggested alternative APIs.

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(Capitulo 81 – 150) https://www.dailymotion.com/playlist/x7e1w0

(Capitulo 151 – 220) https://dailymotion.com/playlist/x7haca

Génesis hablado en español latino TVN – Capítulo 228 completo

Serie basada en el libro de “Génesis”. Una producción que contará desde la creación del mundo hasta historias clásicas como Caín y Abel, el Arca de Noé, la Torre de Babel, Abraham, y terminando con la historia de José de Egipto. ¡El origen de todo, contado en una serie extraordinaria! El hombre busca constantemente respuestas y se cuestiona todo el tiempo con la esperanza de explicar los misterios del mundo. Y para comprender el presente, es necesario conocer el pasado. ¿Qué es la vida humana? De donde venimos ¿Cómo aparecieron las bellezas de la naturaleza? ¿Cuál es el origen de todo lo que conocemos? Son enigmas que la sobreproducción Génesis busca retratar al público a través de una trama épica y sin precedentes en la televisión brasileña. Desde la creación del mundo, pasando por la gran inundación y la construcción de la Torre de Babel, la telenovela presenta viejas historias, contadas y transmitidas de generación en generación, que exploran el origen de la humanidad. Las disputas entre las luces y las sombras, las intrigas familiares y los milagros emocionantes conmoverán a los espectadores de todas las edades, haciendo que las noches de la semana sean mucho más atractivas. Dividida en fases, esta gran obra de teledramaturgia cuenta con escenarios deslumbrantes, personajes con fuerte identificación con el público y una trama profunda que promete fuertes emociones desde el principio hasta el final de cada capítulo. Asocie su campaña con grandes valores y acerque su marca al corazón de la familia con esta nueva e increíble producción.

In der zweiten Runde hatte es Nick Kyrgios bei den US Open nicht nur mit Benjamin Bonzi zu tun: Auch die Stadt, die niemals schläft, sowie ein besonderes Lüftchen am Platz forderten den Australier.

A new UI utility for preparing release note of Drupal projects surfaced in GitHub.