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What’s New in REACT 18: A Quick Overview

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This article considers the new features that have just been included to React 18, its applications, and other essential things worth knowing.

React 18 will provide out-of-the-box improvements functions in the form of automated batching, new APIs (such as

startTransition

), and a new streaming server renderer with built-in support for

React.lazy

by the time it will be launched and ready to use.

These capabilities are made available via a new opt-in method which will be included in React 18. And this opt-in will be known as “Concurrent Rendering” because it allows React to create many UI versions simultaneously. This update is generally invisible, but it opens up new opportunities for improving users’ app’s real and perceived performance.

Automatic Batching 

When several state updates are bundled into a single re-render in React, this is referred to as batching.

If you don’t want these updates to be batch-processed, you may use

flushSync

, which will re-render your component every time the function you’ve sent it to be completed.

Transitions

A significant new feature that enables you to “inform React which updates are urgent and which are not.” A search input that should filter out a list of elements is an excellent illustration of this. So, if you’re updating a search input, you’d want the value to update as we type, even if the search results may display in a second phase after we’ve finished entering.

This is where we may designate the input value change as an urgent update and the items filtering as secondary, which is now referred to as a transition.

Urgent updates may cause transitions to be disrupted, and earlier transitions that are no longer relevant will be disregarded.

This lets the user interface merely present its most recent state and omit secondary updates, transitions, and sometimes irrelevant intermediate states that are slower to compute.

As you can see, we’ve marked the input value change as urgent. We’ve executed our secondary update inside a transition to avoid causing slow computations, which could cause the entire system to stop or slow down the whole experience from the user the more we type.

startTransition

is helpful for any update that you wish to transfer to the background, such as rendering sluggish and sophisticated operations or updates that rely on downloading data that may take a long time owing to a slow network.

Server-Side Rendering and Suspension

SSR (Server Side Rendering) renders all of the server components first and then sends the HTML to the browser.

After that, the JavaScript is loaded as usual, and the HTML is hydrated to make it interactive.

This transforms your static HTML elements into the React components you’re familiar with.

The main disadvantage of this technique is that your page will not be interactive until the JavaScript has been downloaded, loaded and your HTML has been hydrated.

React 18 adds two new features for SSR: HTML Streaming & Selective Hydration to overcome the waterfall issue.

Streaming HTML: this refers to the ability for the server to send portions of your components as they are rendered.

This is accomplished through the use of Suspense, which allows you to specify which sections of your application will take longer to load and which should be presented immediately.

Selective Hydration: Selective hydration is a fantastic idea.

Previously, you’d have to wait for each component to be rendered before hydration could begin, but now Suspense-wrapped components won’t obstruct hydration.

When we return to our article page, the Suspense-wrapped comments will no longer prevent the article and other components from being hydrated. Once the browser has both its content and JavaScript code, every ready component, as well as the comments, will begin to hydrate.

The most essential characteristic of selective hydration is that if you interact with one of the components before it has been fully hydrated, for example, by clicking anywhere, React will prioritize the hydration of this component. This ensures that the most crucial interactions are repeated as soon as the associated component can be hydrated, ensuring that it is hydrated before the others.

A Phased Approach to Adoption

There are no substantial breaking changes to component behavior in React 18 because concurrency is opt-in. With a degree of work comparable to a typical major React release, you may upgrade to React 18 with minimal to no modifications to your application code.

Collaboration With the Community

For this release, we’re attempting something different: we’ve invited a panel of experts, developers, library authors, and educators from throughout the React community to join our React 18 Working Group to provide comments, ask questions, and work on the project. We weren’t able to invite everyone we wanted to this first tiny group, but if this experiment proves successful, we’ll expand it.

The React 18 Working Group’s mission is to prepare the ecosystem for the seamless and progressive adoption of React 18 by existing apps and frameworks. The Working Group’s discussions are held on GitHub Discussions and are open to the public. Working group members can provide input, ask questions, and discuss ideas.

The core team will also share our research findings in the talks repo. Any critical information will be communicated on this blog as the stable release date approaches.

Getting in Touch with the React 18 Working Group

The conversations in the React 18 Working Group repo are open to the public.

Only invited members will create or comment on threads, as we anticipate a spike in interest in the Working Group. On the other hand, the threads are fully available to the public, allowing everyone to see the same information. We believe this is a decent compromise between fostering a productive working environment for working group members and retaining transparency with the general public.

You can always use our issue tracker to submit bug reports, questions, and general comments.

How to Get Started With React 18 Alpha Today

The @alpha tag is used to publish new alphas to npm on a regular basis. The most recent commit to our main repo is used to create these releases. When a feature or bugfix is merged, an alpha version will be released the following weekday.

Between alpha releases, there could be significant behavioral or API changes. Please remember that alpha releases should not be used for user-facing or production applications.

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Amazon Wants a Leader For Its Digital Currency and Blockchain Product Unit

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Amazon seems determined to maintain its reputation as an innovative company and is looking to experiment with cryptocurrencies through a digital currency payment and blockchain unit.

According to an announcement posted on Thursday, Amazon is looking for a blockchain specialist to lead its Digital Currency and Blockchain strategy.

The Payments Acceptance & Experience team is seeking an experienced product leader to develop Amazon’s Digital Currency and Blockchain strategy and product roadmap … You will work closely with teams across Amazon, including AWS, to develop the roadmap, including the customer experience, technical strategy and capabilities as well as the launch strategy.

What Amazon is Looking For

The expert must have at least an MBA or equivalent degree, 10+ years of business or technology experience, team management skills, understanding of data and metrics, and good communication skills.

The corporation did not disclose any salary offer. The person must be based on or willing to move to Seattle, Washington.

Amazon seems to be convinced of the need to innovate in the field of payments and finance. The cryptocurrency and blockchain development team is a sign of the company’s interest in exploring these emerging technologies to offer better financial products.


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According to an email shared by Business Insider, Amazon’s team confirmed its interest in exploring an approach to the world of cryptocurrencies. Still, they did not specify whether it would be through the development of a proprietary currency or through the acceptance of cryptocurrencies as a means of payment:

“We’re inspired by the innovation happening in the cryptocurrency space and are exploring what this could look like on Amazon … We believe the future will be built on new technologies that enable modern, fast, and inexpensive payments, and hope to bring that future to Amazon customers as soon as possible.”

An Old Relationship With Crypto

Amazon’s interest in the world of cryptocurrencies isn’t new. Back in 2017, it purchased, at least preemptively, a number of domains linking its brand to cryptocurrencies, including amazoncryptocurrency.com, amazoncryptocurrencies.com, and even amazonethereum.com.

However, at the time, Patrick Gauthier told CNBC that the e-commerce giant did not have much interest in cryptocurrencies and had no plans to support crypto payments.

In fact, the Pay With Moon plugin that allowed payments on Amazon with Bitcoin through Lightning Network had to change its business model to instead allow its users to purchase virtual credit cards instead of paying directly on Amazon’s site.

Also, as Cryptopotato reported in February this year, Amazon launched a job offer for a new payments system involving “Digital and Emerging Payments (DEP),” although they did not mention a direct relationship with Bitcoin or any cryptocurrency either.

This time, however, Amazon seems more willing to go public with its casual relationship with cryptos.

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AI

Fintech Giant Zip Co to Provide Cryptocurrency Trading Services

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Amazon seems determined to maintain its reputation as an innovative company and is looking to experiment with cryptocurrencies through a digital currency payment and blockchain unit.

According to an announcement posted on Thursday, Amazon is looking for a blockchain specialist to lead its Digital Currency and Blockchain strategy.

The Payments Acceptance & Experience team is seeking an experienced product leader to develop Amazon’s Digital Currency and Blockchain strategy and product roadmap … You will work closely with teams across Amazon, including AWS, to develop the roadmap, including the customer experience, technical strategy and capabilities as well as the launch strategy.

What Amazon is Looking For

The expert must have at least an MBA or equivalent degree, 10+ years of business or technology experience, team management skills, understanding of data and metrics, and good communication skills.

The corporation did not disclose any salary offer. The person must be based on or willing to move to Seattle, Washington.

Amazon seems to be convinced of the need to innovate in the field of payments and finance. The cryptocurrency and blockchain development team is a sign of the company’s interest in exploring these emerging technologies to offer better financial products.


ADVERTISEMENT

According to an email shared by Business Insider, Amazon’s team confirmed its interest in exploring an approach to the world of cryptocurrencies. Still, they did not specify whether it would be through the development of a proprietary currency or through the acceptance of cryptocurrencies as a means of payment:

“We’re inspired by the innovation happening in the cryptocurrency space and are exploring what this could look like on Amazon … We believe the future will be built on new technologies that enable modern, fast, and inexpensive payments, and hope to bring that future to Amazon customers as soon as possible.”

An Old Relationship With Crypto

Amazon’s interest in the world of cryptocurrencies isn’t new. Back in 2017, it purchased, at least preemptively, a number of domains linking its brand to cryptocurrencies, including amazoncryptocurrency.com, amazoncryptocurrencies.com, and even amazonethereum.com.

However, at the time, Patrick Gauthier told CNBC that the e-commerce giant did not have much interest in cryptocurrencies and had no plans to support crypto payments.

In fact, the Pay With Moon plugin that allowed payments on Amazon with Bitcoin through Lightning Network had to change its business model to instead allow its users to purchase virtual credit cards instead of paying directly on Amazon’s site.

Also, as Cryptopotato reported in February this year, Amazon launched a job offer for a new payments system involving “Digital and Emerging Payments (DEP),” although they did not mention a direct relationship with Bitcoin or any cryptocurrency either.

This time, however, Amazon seems more willing to go public with its casual relationship with cryptos.

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Blockchain Startups Raised over $4 Billion in VC Funding in Q2 2021

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Most blockchain-based startups have seen funding from venture backers, despite the current cryptocurrency market downturn, recording over $4 billion in Q2 alone.

This massive venture capital backing is in keeping with the established trend of VC funding for blockchain firms as investors look to be part of the new wave of disruption associated with decentralized finance.

VC Backers Continue to Dole Out Funding for Blockchain Startups

According to CNBC on Thursday (July 22, 2021), venture capital investors seem not to worry about the volatile nature associated with the crypto market, especially with the current slump in market prices. Bitcoin, which reached an all-time high )ATH) of over $63,000 back in April, is trading within the $33,000 range, losing over 50% of its ATH. Ether price has also suffered a slump after getting to over $4,000 in May.

Meanwhile, data from CB Insights, an analytics firm, revealed that the total funds received by different blockchain companies are $4.38 billion. The figure signals a more than 50% increase from Q1 2021, and almost a ninefold growth compared to Q2 2020.

In May, major fintech company Circle received $440 million from VC backers, making it the largest venture capital funding in a blockchain company. Meanwhile, Circle is planning to go public through an alliance with a special purpose acquisition company (SPAC) Concord Acquisition Corp. The merger, if successful, will put Circle’s valuation at $4.5 billion.


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Ledger, a cryptocurrency hardware wallet, raised the second-biggest round in Q1 2021 with $380 million. According to an interview with CNBC in December 2020, the company’s CEO Pascal Gauthier noted that the cryptocurrency market was gradually maturing, with institutional investors showing interest in the emerging industry.

Speaking to CNBC, CB Insights senior analyst, Chris Bendtsen :

“At the current rate, blockchain funding will shatter the previous year-end record — more than tripling the total raised back in 2018. Blockchain’s record funding year is being driven by the rising consumer and institutional demand for cryptocurrencies. Despite short-term price volatility, VC firms are still bullish on crypto’s future as a mainstream asset class and blockchain’s potential to make financial markets more efficient, accessible, and secure.”

Institutional Investors Seek Exposure to Crypto Industry

The record inflow of funding for blockchain firms is coming from both traditional VC funds and blockchain-focused funds alike. Some asset managers are even creating blockchain venture arms for both early and late-stage funding of projects in the industry.

As previously reported by CryptoPotato in June, venture capital giant Andreessen Horowitz announced the launch of a $2.2 billion cryptocurrency fund. According to the company, the new fund would be distributed across various crypto and blockchain startups.

Blockchain Capital raised $300 million for its Fund V LP back in May, with PayPal, Visa. hedge funds, and others participating in the capital raise.

Meanwhile, the trend is continuing in Q3 2021 with massive funding deals. Recently, major cryptocurrency derivatives platform FTX secured a record $900 million in its Series B funding, causing the company’s valuation to grow to $18 billion.

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CNBC

WhatsApp says NSO spyware was used to attack officials working for US allies

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The NSO Group has denied that its spyware was used to compromise many politicians’ phones, but WhatsApp is telling a different story. The chat giant’s CEO, Will Cathcart, told The Guardian in an interview that governments allegedly used NSO’s Pegasus software to attack senior government officials worldwide in 2019, including high-ranking national security officials who were US allies. The breaches were reportedly part of a larger campaign that compromised 1,400 WhatsApp users in two weeks, prompting a lawsuit.

The reporting on the NSO “matches” with findings from the 2019 attack on WhatsApp, Cathcart said. Human rights activists and journalists were also believed to be victims.

The executive was responding to allegations that governments used Pegasus to hack phones for 37 people, including those of women close to murdered Saudi journalist Jamal Khashoggi. Those targets were also on a 2016 list of over 50,000 phone numbers that included activists, journalists and politicians, although it’s not clear that anyone beyond the 37 fell prey to attacks.

NSO has strongly rejected claims about the hacks and the list, insisting that there’s “no factual basis” and that the list was too large to be focused solely on potential Pegasus targets. It also directly challenged Cathcart, asking if the WhatsApp exec had “other alternatives” to its tools that would help thwart “pedophiles, terrorists and criminals” using encrypted software.

Cathcart, however, didn’t buy that explanation — he pointed to the 1,400 people as possible evidence that the number of targets was “very high.” Whatever the truth, it’s safe to say WhatsApp won’t shy away from its lawsuit (or a war of words) any time soon.

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