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Topic: so I've put uBlock Origin Lite on Firefox and Supermium (Chrome-alike) and they are different entire
boof started this discussion 56 minutes ago#138,254
entirely. Duckduck's AI has this to say:
uBlock Origin Lite for Chrome uses a simplified set of rules under Manifest V3, which requires different filtering modes for each site to manage permissions and functionality. In contrast, the full uBlock Origin on Firefox offers more advanced filtering capabilities without the need for such modes.
Differences in Filtering Modes
Chrome's uBlock Origin Lite
uBlock Origin Lite operates under Chrome's Manifest V3, which imposes restrictions on how extensions can manage permissions and filtering. As a result, it requires users to select a specific filtering mode for each site. The available modes include:
No Filtering: Turns off filtering for trusted sites.
Basic: Blocks network requests using selected lists without needing to read or change page content.
Optimal: Adds more network filtering and site-specific controls.
Complete: Provides the most comprehensive filtering, including advanced blocking.
This structure is necessary to comply with the limitations of Manifest V3, which affects how the extension can interact with web pages.
Firefox's uBlock Origin
In contrast, the full version of uBlock Origin on Firefox does not require these filtering modes. It can utilize broader permissions and advanced filtering techniques without the same constraints. This allows for:
Dynamic Filtering: The ability to make real-time decisions about what to block based on the context of the page.
Cosmetic Blocking: More sophisticated methods to hide unwanted elements on a page.
Summary of Key Differences
Feature uBlock Origin Lite (Chrome) uBlock Origin (Firefox)
Filtering Modes Yes No
Dynamic Filtering Limited Full
Advanced Cosmetic Blocking No Yes
Permissions Management Site-specific Broad
The need for filtering modes in uBlock Origin Lite is a direct result of the restrictions imposed by Chrome's extension framework, while Firefox allows for a more flexible and powerful ad-blocking experience.
boof (OP) double-posted this 52 minutes ago, 3 minutes later[^][v]#1,462,453
Chrome's Manifest V3 is the latest version of the manifest file format for Chrome extensions, replacing Manifest V2 to improve security, privacy, and performance by replacing persistent background scripts with non-persistent service workers and restricting blocking capabilities.
Overview of Chrome's Manifest V3
Chrome's Manifest V3 (MV3) is the latest version of the manifest file format used for Chrome extensions. It was introduced to enhance security, privacy, and performance compared to its predecessor, Manifest V2 (MV2).
Key Features of Manifest V3
Service Workers: MV3 replaces persistent background scripts with non-persistent service workers. This change improves performance by allowing scripts to run only when needed and shutting down after a period of inactivity.
Enhanced Security: MV3 introduces stricter security measures, including an improved content security policy and the removal of support for remotely hosted code. This helps prevent malicious activities within extensions.
Restricted Blocking Capabilities: MV3 limits the ability of extensions to block or modify network requests. This change aims to reduce privacy risks associated with extensions that monitor user activity.
Changes from Manifest V2 to V3
Feature Manifest V2 Manifest V3
Background Scripts Persistent Non-persistent service workers
Security Policy Less strict Enhanced content security policy
Network Request Handling More permissive Restricted blocking capabilities
Implications for Developers
Developers must adapt their extensions to comply with MV3 requirements. This includes updating the manifest file and modifying code to utilize service workers instead of background scripts. Extensions that do not meet these new standards may face removal from the Chrome Web Store.
Overall, Manifest V3 represents a significant shift in how Chrome extensions operate, focusing on improving user security and performance while limiting potential privacy risks.