[tor-bugs] #26393 [HTTPS Everywhere/EFF-HTTPS Everywhere]: HTTPS Everywhere no longer works in SeaMonkey

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#26393: HTTPS Everywhere no longer works in SeaMonkey
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     Reporter:  NiveusLuna                             |      Owner:  jsha
         Type:  defect                                 |     Status:  new
     Priority:  Medium                                 |  Milestone:
    Component:  HTTPS Everywhere/EFF-HTTPS Everywhere  |    Version:
     Severity:  Normal                                 |   Keywords:
Actual Points:                                         |  Parent ID:
       Points:                                         |   Reviewer:
      Sponsor:                                         |
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 Ever since the conversion to WebExtensions, HTTPS Everywhere has not
 functioned in SeaMonkey. SeaMonkey 2.49.3 (the current version) is based
 on Firefox ESR 52.7.3, but doesn't incorporate what 52.x has of the
 WebExtensions API.

 In [https://blog.seamonkey-project.org/2017/05/02/the-state-of-the-
 seamonkey-union/ this blog post], it is stated that WebExtensions support
 is not present. According to IRC conversations with devs, that hasn't
 changed in the past year.

 I can see four options here.
 1) This is the easiest one. Just drop SeaMonkey support entirely. Remove
 the block/line from the manifest (or whatever it is now) that says "I
 support SeaMonkey, too!"
 2) Make a tool that converts from the new ruleset format to the old one so
 that SeaMonkey users can update the rulesets themselves.
 3) Update the XUL version not to match the new one in code and features,
 but simply to parse the new ruleset format. Maybe add a conversion method
 when it initially reads the rulesets in so that nothing else needs to be
 changed.
 4) Use the tool mentioned in option 2 to make new XUL releases that only
 update the rulesets.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26393>
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