Privoxy 3.0.6 User Manual
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# 3. What's New in this Release

There are many improvements and new features since Privoxy 3.0.3, the last stable release:

- Multiple filter files can now be specified in `config`. This allows for locally defined filters that can be maintained separately from the filters as supplied by the developers, i.e. `default.filter`.

- There are a number of new actions:

  - `content-type-overwrite`

  - `crunch-client-header`

  - `crunch-if-none-match`

  - `crunch-server-header`

  - `filter-client-headers`

  - `filter-server-headers`

  - `force-text-mode`

  - `handle-as-empty-document`

  - `hide-accept-language`

  - `hide-content-disposition`

  - `hide-if-modified-since`

  - `inspect-jpegs`

  - `overwrite-last-modified`

  - `redirect`

  - `treat-forbidden-connects-like-blocks`

  In addition, `fast-redirects` has been significantly improved with enhanced syntax.

  And `hide-referrer` has a new option, `conditional block`.

- MS-Windows versions can now be installed and started as a Windows service.

- `config` has two new options: enable-remote-http-toggle, and forwarded-connect-retries.

  And there is improved handling of the user-manual option, for placing documentation and help files on the local system.

- There are six new filters.

- Actions files problems and suggestions are now being directed to: http://sourceforge.net/tracker/?group_id=11118&atid=460288. Please use this to report such configuration related problems as missed ads, sites that don't function properly due to one action or another, innocent images being blocked, etc.

- In addition, there are numerous bug fixes and significant enhancements, including error pages should no longer be cached if the problem is fixed, much better DNS error handling, various logging improvements, and configuration updates for better ad blocking and junk elimination.

## 3.1. Note to Upgraders

A quick list of things to be aware of before upgrading from earlier versions of Privoxy:

- Some installers may remove earlier versions completely, including configuration files. Save any important configuration files!

- On the other hand, other installers may not overwrite any existing configuration files, thinking you will want to do that. You may want to manually check your saved files against the newer versions to see if the improvements have merit, or whether there are new options that you may want to consider. There are a number of new features, but most won't be available unless these features are incorporated into your configuration somehow.

- See the full documentation on `fast-redirects` which has changed syntax, and will require adjustments to local configs, such as `user.action`. You must reference the new syntax:

        { +fast-redirects{check-decoded-url} }
         .example.com
         mybank.com
         .google.

- The `jarfile`, cookie logger, is off by default now.

- What constitutes a "default" configuration has changed, and you may want to review which actions are "on" by default. This is primarily a matter of emphasis, but some features you may have been used to, may now be "off" by default. There are also a number of new actions and filters you may want to consider, most of which are not fully incorporated into the default settings as yet (see above).

- The default actions setting is now `Cautious`. Previous releases had a default setting of `Medium`. Experienced users may want to adjust this, as it is fairly conservative by Privoxy standards and past practices. See http://config.privoxy.org/edit-actions-list?f=default. New users should try the default settings for a while before turning up the volume.

- The default setting has filtering turned off, which subsequently means that compression is on. Remember that filtering does not work on compressed pages, so if you use, or want to use, filtering, you will need to force compression off. Example:

        { +filter{google}  +prevent-compression }
         .google.

  Or if you use a number of filters, or filter many sites, you may just want to turn off compression for all sites in `default.action` (or `user.action`).

- Also, session-cookies-only is off by default now. If you've liked this feature in the past, you may want to turn it back on in `user.action` now.

- Some installers may not automatically start Privoxy after installation.

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