Aurora Developer Weekly【No.0604】

160ba07c407459 A week’s

Huawei officially releases HarmonyOS 2 Hongmeng mobile phone operating system

On the evening of June 2, Huawei officially released HarmonyOS 2 (Hongmeng), which means that the "Hongmeng mobile phone" has become an official product for the market. This new operating system will open up mobile phones, computers, tablets, TVs, driverless, car equipment, smart wearables, etc.

Huawei previously predicted that by the end of 2021, the number of devices equipped with Hongmeng will reach 300 million, of which Huawei's equipment will exceed 200 million, and the number of various terminal devices for third-party partners will exceed 100 million. The latest data shows that at present, more than 300 partners including Midea, HKUST Xunfei, and Supor have joined the Hongmeng Ecosystem. It is expected that more than 40 mainstream brands will become the new entrance to the Hongmeng experience in 2021.

Apple returns to the top of the US "Fortune" profit list in 2021

Thanks to the hot sales of the iPhone 12 series, with a year-on-year increase of 3.9% to a net profit of 57.411 billion US dollars, it returned to the top of the profit list and became the most profitable company in the United States in 2021. Subsequently, Deird O'Brien, Apple's senior vice president of retail and personnel, confirmed the company's idea of expanding its retail stores to Germany, or indicated that Europe will be a focus of the company's retail store expansion. According to Apple's previous financial report, the company currently has 511 retail stores around the world, of which there are more than 100 in Europe.

1.8 billion dollars! Stack Overflow was acquired by Tencent's major shareholder Prosus

Prosus announced the acquisition of Stack Overflow, a well-known programmer's question and answer site, for US$1.8 billion. Prosus's move is designed to meet people's growing demand for online technology learning, which is also the company's largest investment in the field of online learning. It is worth noting that Prosus is also the largest shareholder of Tencent.

Stack Overflow CEO Prashanth Chandrasekar said: After the completion of this acquisition, Stack Overflow will retain the support of the original team and global technical force and continue to operate as an independent company.

WeChat circles will cease operations

Recently, WeChat Circle announced that due to the adjustment of business development direction, this function will be officially shut down on December 28, 2021. The specific arrangements are as follows:

Disable interactive ability: June 28, 2021;
Lower coil entry: June 28, 2021;
The circle applet ceased operation: December 28, 2021.

Intel CEO reiterated: the chip shortage problem will take several years to solve
Intel CEO Pat Gilsinger said that the global semiconductor shortage problem may take years to be resolved. At present, the problem has led to the closure of some automobile production lines, and other areas including consumer electronics have also been affected.

Developers care about the headlines

Apple: The number of registered developers in Greater China increased to 4.4 million

According to Apple, the developer community in Greater China has grown in size, with more than 4.4 million registered developers now, an increase of 76% compared to two years ago. Apple officially launched the App Store Small Business Program on January 1, 2021, giving more support to small and independent developers and setting off a new wave of App innovation.

Developers exposed that Apple M1 chip has loopholes that cannot be eliminated without changing the design

Developer Hector Martin recently stated that this vulnerability in Apple's M1 chip "can allow any two applications running under the operating system to secretly exchange data." Martin said, "I sent an email to Apple's product security department. They admitted that the M1 chip has this vulnerability and numbered it as CVE-2021-30747. At present, no one has actually discovered the maliciousness of this vulnerability. Use. It is worth emphasizing again: Unless the system has been compromised, this secret channel is completely useless and does not pose a threat.

Ali open source PostgreSQL-based database PolarDB

Recently, Alibaba Cloud announced the opening of PolarDB, a relational database. At present, the project has been published on Alibaba Cloud's official website and Github, and capabilities such as distributed transactions and single-machine high-performance will be introduced in the future. PolarDB extends PostgreSQL to support global data consistency, ACID cross-database nodes, distributed SQL processing, data redundancy, and high availability. It is designed to introduce new features while maintaining compatibility. In addition, Alibaba affiliate Ant Group is about to open source another database OceanBase.

Firefox browser finally gains native translation function

Recently, Mozilla announced the launch of Firefox Translations, a self-developed translation tool for Firefox. Unlike conventional translation tools, the translation function of Firefox Translations is completed locally in the system to protect user privacy. Firefox Translations has been launched in the Firefox Nightly version. Users need to manually enable it. The steps are as follows: enter about:config in the Firefox address bar; search for extensions.translations.disabled; set the option to false; restart the browser.

Redis 6.2.4 released

This version contains fixes to security issues that affect the connection of authenticated clients. Fix the integer overflow of STRALGO LCS (CVE-2021-32625). In Redis 6.0 or later, there is an integer overflow vulnerability that can destroy the heap by using the STRALGO LCS command, which may lead to remote code execution. This is caused by an incomplete fix for CVE-2021-29477.

Aurora Zone

Aurora appeared at the DEMO WORLD World Innovation Summit, many innovative products received widespread attention

The 2021 DEMO WORLD World Innovation Summit officially came to an end in Shanghai·China Shipbuilding Pavilion. This summit will be based on the spring summit and conduct industry seminars. With the theme of "New Civilization Agreement", it will focus on the strategic investment and innovation of large enterprises. practice.

Aurora Mobile (NASDAQ: JG), a leading developer service provider in China, introduced the Aurora Unified Messaging System (UMS), Aurora VaaS, and many other innovative service products for developers, as well as Aurora App data query, etc. Data application products received eager attention from the participants.

Data report|Low-carbon travel makes life better-a report on the social value of shared motorcycles

Aurora Mobile (NASDAQ:JG) and Xi’an Jiaotong University jointly released the "Low-Carbon Travel, Better Life-Shared Motorcycle Social Value Report", which provides insights into the behavior and attitudes of shared motorcycle users, and in-depth analysis of shared motorcycles to help low-carbon All aspects of urban development.

Sharing electric bicycles helps to achieve carbon neutrality in the transportation sector
In shared motorcycle trips, 31% of trips replaced high-carbon trips based on cars and motorcycles. According to statistics, there are currently about 8 million shared motorcycles in the country, which can reduce carbon emissions by about 1.636 million tons a year.

Shared motorcycles meet most travel needs and commute more efficiently
Traveling with shared motorcycles can meet the travel needs of most people. Within 5 kilometers, commuters account for 67.5%. Users using shared motorcycles to commute to work generally saves more time than driving.

Sharing electric bicycles helps to replace "exceeding electric bicycles" and build a safe travel environment
After the implementation of the new national standard, 80.1% of users agree that the safety factor of shared motorcycles is higher during riding. Standardized operation of shared motorcycles meets the new national standards and 3C certification, unified charging and swapping modes, no rear seats, intelligent safety guarantees and other features, which can effectively replace "over-standard vehicles".

Sharing motorcycles is an important travel tool for generations born in the 80s and 90s, which helps cultivate citizens’ willingness to protect the environment
Over 30% of users regard shared motorcycles as the most common way of travel, and the post-80s and 90s are the main user groups. Shared motorcycles play a leading and nurturing role in citizens' green wishes and behaviors.

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