Support for 4 coming soon?

[hubertron]

Please report a bug if this causes problems. /Users/stevenwork/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/middleman-core-4.1.9/lib/middleman-core/extensions.rb:96:in load': Tried to activate old-style extension: s3_redirect. They are no longer supported. (RuntimeError)
from /Users/stevenwork/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/middleman-core-4.1.9/lib/middleman-core/extensions.rb:127:in block in load_settings' from /Users/stevenwork/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/middleman-core-4.1.9/lib/middleman-core/extensions.rb:125:in each'
from /Users/stevenwork/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/middleman-core-4.1.9/lib/middleman-core/extensions.rb:125:in load_settings' from /Users/stevenwork/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/middleman-core-4.1.9/lib/middleman-core/extension_manager.rb:12:in initialize'
from /Users/stevenwork/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/middleman-core-4.1.9/lib/middleman-core/application.rb:262:in new' from /Users/stevenwork/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/middleman-core-4.1.9/lib/middleman-core/application.rb:262:in initialize'
from /Users/stevenwork/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/middleman-cli-4.1.9/bin/middleman:51:in new' from /Users/stevenwork/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/middleman-cli-4.1.9/bin/middleman:51:in <top (required)>'
from /Users/stevenwork/.rbenv/versions/2.2.5/bin/middleman:23:in load' from /Users/stevenwork/.rbenv/versions/2.2.5/bin/middleman:23:in

`

Currently using:
Middleman 4.1.9

Or should I look elsewhere? I love your S3_Sync gem and use it in production on a few sites!

[umerebryx]

Any update on this? I getting same error with:

Traceback (most recent call last):
10: from /Users/umerkhan/.rbenv/versions/2.5.3/bin/middleman:23:in <main>' 9: from /Users/umerkhan/.rbenv/versions/2.5.3/bin/middleman:23:in load'
8: from /Users/umerkhan/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/middleman-cli-4.3.4/bin/middleman:49:in <top (required)>' 7: from /Users/umerkhan/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/middleman-cli-4.3.4/bin/middleman:49:in new'
6: from /Users/umerkhan/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/middleman-core-4.3.4/lib/middleman-core/application.rb:263:in initialize' 5: from /Users/umerkhan/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/middleman-core-4.3.4/lib/middleman-core/application.rb:263:in new'
4: from /Users/umerkhan/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/middleman-core-4.3.4/lib/middleman-core/extension_manager.rb:12:in initialize' 3: from /Users/umerkhan/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/middleman-core-4.3.4/lib/middleman-core/extensions.rb:125:in load_settings'
2: from /Users/umerkhan/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/middleman-core-4.3.4/lib/middleman-core/extensions.rb:125:in each' 1: from /Users/umerkhan/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/middleman-core-4.3.4/lib/middleman-core/extensions.rb:127:in block in load_settings'
/Users/umerkhan/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/middleman-core-4.3.4/lib/middleman-core/extensions.rb:96:in `load': Tried to activate old-style extension: s3_redirect. They are no longer supported. (RuntimeError)