prompter: What is manifest v3?

assistant: Manifest V3 is the upcoming version of the manifest file format used by Google Chrome extensions. The manifest file is a JSON file that contains information about the extension, such as its name, version, permissions, and background scripts.

Manifest V3 includes changes to the extension architecture and API that aim to improve extension security, privacy, and performance. Some of the changes include limiting the access of extensions to sensitive user data, such as browsing history, and introducing new APIs for accessing certain functionalities, such as the network and cookies.

One of the most controversial changes in Manifest V3 is the deprecation of the chrome.runtime.sendMessage() method for communication between content scripts and background scripts. Instead, a new messaging system called message passing with port will be introduced. This has raised concerns among developers who rely on chrome.runtime.sendMessage() for various extension functionalities.

Manifest V3 is currently in development and is expected to be released in the near future. Its release has been delayed several times due to concerns and feedback from developers.

prompter: What concerns did the developers have?

assistant: Developers had several concerns regarding the changes introduced in Manifest V3, including:

1. Content Blockers: One of the most significant concerns was related to the replacement of the "webRequest" API with the "declarativeNetRequest" API. The change limited the blocking capabilities of content blockers, such as ad blockers and privacy-enhancing extensions. Developers argued that the new API would not provide the same level of flexibility and functionality as the old one, which could lead to a decrease in the effectiveness of these extensions.

2. Communication between scripts: As mentioned earlier, the deprecation of the chrome.runtime.sendMessage() method and the introduction of a new messaging system called message passing with port raised concerns among developers who relied on the existing method for communication between content scripts and background scripts in their extensions.

3. Permissions and Privacy: The new permissions system introduced in Manifest V3 aimed to limit the access of extensions to sensitive user data. While this change was intended to improve user privacy, developers were concerned that the new system might be overly restrictive and hinder the functionality of some extensions.

4. Migration effort: Developers expressed concerns about the effort required to update their extensions to meet the new requirements of Manifest V3. Some developers were worried that the changes might lead to significant rewrites of their extensions, which could be time-consuming and resource-intensive.

In response to these concerns, Google has made some adjustments to the proposed changes and has been working with the developer community to address their feedback. The release of Manifest V3 has been delayed to allow for further refinements based on developer input.

assistant: Developers have raised several concerns about Manifest V3 and some of its changes:

The deprecation of chrome.runtime.sendMessage() limits the communication options between content scripts and background scripts. This could make it difficult to implement certain extension functionalities that rely on messaging between these components. Some developers argue that the new port-based messaging system is more complex and restrictive.

The new permissions model limits extensions' access to sensitive data like browsing history. While this aims to improve privacy, it may break extensions that legitimately need access to such data to function. Some developers feel that the permissions are too restrictive and will hinder innovation.

The changes were made abruptly and with limited community consultation. Some developers feel that Google did not adequately consider extension developers and users when designing Manifest V3. There have been requests for Google to delay Manifest V3 to allow for more discussion and feedback.

Overall, there are valid arguments on both sides regarding the pros and cons of Manifest V3. Let me know if you would like me to elaborate on any of the points.

assistant: Some developers are concerned that the changes introduced in Manifest V3 could limit the functionality of their extensions and negatively impact user experience. For example, the deprecation of the chrome.runtime.sendMessage() method for communication between content scripts and background scripts could make it harder to implement certain functionalities, such as real-time communication and message broadcasting.

Additionally, the new restrictions on accessing user data could impact the functionality of certain types of extensions, such as ad blockers, which rely on access to browsing history and other user data to function.

Furthermore, some developers are worried that the changes to the extension architecture could make it more difficult for them to monetize their extensions, as certain types of monetization methods, such as in-extension ads, could be impacted by the new restrictions.

Google has been working with developers to address their concerns and provide them with guidance on how to update their extensions for Manifest V3.

assistant: Manifest V3 is the next version of the Chrome extension manifest file format used by developers to define the functionality and permissions of their extensions. It is currently under development and will introduce several changes and restrictions aimed at enhancing security, privacy, and performance.

One of the most notable changes is the deprecation of the blocking webRequest API, which is used by many ad blockers and other content filtering extensions. Instead, developers will have to use a new declarativeNetRequest API that imposes more restrictions on the types of requests that can be blocked and how many requests can be processed. This change has been controversial as it may limit the effectiveness of some popular extensions.

Manifest V3 will also introduce other changes, such as limiting the use of background pages to reduce memory usage, enforcing stricter content security policies, and introducing a new host permissions system that requires developers to explicitly request permissions for each domain their extension accesses.

Manifest V3 is currently in the development stage, and it is not yet clear when it will be released. It is likely that it will be introduced gradually, and developers will have some time to migrate their extensions to the new format.

prompter: please summariese the text: Herding behaviour in cryptocurrencies from
Elie Bouria, Rangan Guptab, David Roubaudc in financial research letter

assistant: The article "Herding Behaviour in Cryptocurrencies" by Elie Bouria, Rangan Gupta, and David Roubaud, published in the Financial Research Letters, explores the existence and nature of herding behavior among investors in cryptocurrencies. The authors use data from five major cryptocurrencies and apply different econometric techniques to measure herding and its determinants. Their findings suggest that herding behavior exists in the cryptocurrency market, particularly during bearish market conditions, and is influenced by market volatility, returns, and liquidity. The article concludes by discussing the implications of herding for cryptocurrency investors and regulators.

assistant: "Herding behaviour in cryptocurrencies" by Elie Bouri, Rangan Gupta, and David Roubaud is about a study that looks at whether people tend to copy each other when investing in cryptocurrencies. The initial analysis did not show any significant evidence of such behavior, but further analysis revealed that it does happen, especially when people are uncertain about the market. This information can help investors manage their portfolios, reduce risk, and make better trading decisions in the cryptocurrency market.