rjkrjk wrote:
SM 2.53.4   win7

some websites I visit seem to indicate  Im suing some version of Adblock
and want me to update it, and allow me to continue

I check my Ad On Manger, there are no pgms installed

why is this happening


A known issue.

For 2.53.4, if you go to the release notes, https://www.seamonkey-project.org/releases/seamonkey2.53.4/ , the section titled "Extensions (Add-ons) and Themes" explicitly notes:

"Adblock Plus 2.9.1 may cause huge memory and CPU consumption and is not recommended or officially supported in this SeaMonkey version. Consider switching to uBlock. "

The following note includes a link of where to find the most current version of uBlock.

This note is repeated in release notes for all versions of 2.53. For practical purposes, consider Adblock Plus to be dead.

The underlying issue is with where Mozilla has gone with Extensions, replacing the XUL API with WebExtensions, as used by Chrome. WebExtensions was introduced in Firefox 55.0, and XUL was completely dropped in 57.0. I believe that the core of Seamonkey 2.55 is still based on 2.56 (and with many security fixes backported from later releases), but I know from reading the notes of the developers' meetings that there hasn't yet been any serious work of implementing WebExtensions in alphas of Seamonkey 2.57. I do have a beta of 2.57 installed, and in that copy, the Mail and News client is not functioning, nor is there any capacity of running any extensions. That's not intended as a permanent thing, just a limitation that is the result of having only a few volunteer developers.

With extensions, development/support of the old XUL versions has pretty much ended, although there are a handful that still have developer support, and the release notes have links to some of the more popular ones. Adblock Plus is in the former group, uBlock Origin is in the latter.

Smith

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