Changelog for Blackhole for Bad Bots
https://wordpress.org/plugins/blackhole-bad-bots/



> __Tip:__ Use a free markdown tool like https://dillinger.io/ to convert the changelog to a more readable format.

> __Tip:__ Check announcement posts for details about pro updates and related news: https://plugin-planet.com/news/



**3.7 (2024/03/06)**

* Updates/synchronizes plugin settings page
* Updates default translation template
* Improves plugin docs/readme.txt
* Tests on WordPress 6.5 (beta)

**3.6.1 (2023/10/27)**

* Adds filter hook `blackhole_whois_port`
* Adds filter hook `blackhole_whois_server`
* Changes display of IP addresses in settings
* Updates default translation template
* Updates custom banner notice
* Tests on WordPress 6.4 (beta)

**3.6 (2023/07/21)**

* Improves localization function
* Improves plugin action links function
* Improves `blackhole_abort()` function
* Replaces `DOING_CRON` with `wp_doing_cron()`
* Updates default translation template
* Adds custom notice on settings page
* Improves plugin documentation
* Tests on WordPress 6.3 (beta)

**3.5 (2023/04/25)**

* Improves plugin documentaion
* Improves plugin settings page infos
* Removes filter hook `blackhole_ip_keys`
* Generates new translation template
* Tests on WordPress 6.2

**3.4.1 (2023/03/11)**

* Adds fallback for `current_datetime()`
* Tests on WordPress 6.2 (beta)

**3.4 (2023/03/06)**

* Improves content of email alerts
* Adds support for multiple email addresses
* Adds filter hook `blackhole_email_address`
* Improves logic for logging dates and times
* Improves logic when calling `get_current_screen()`
* Removes `require_once` from `blackhole_send_email()`
* Fixes incorrect function name, `blackhole_default_message`
* Adds screenshots of pro features on bad bots screen
* Adds `code` class to "Message Custom" textarea
* Adds note about `$ip_keys` filter hook
* Updates Help tab inline documentation
* Generates new translation template
* Tests on WordPress 6.1 + 6.2 (beta)
* Tests on PHP 8.1 and 8.2

**3.3.5 (2022/10/24)**

* Adds action hook `blackhole_reset_options`
* Adds action hook `blackhole_reset_badbots`
* Adds action hook `blackhole_delete_bot`
* Adds action hook `blackhole_log_bot`
* Improves sanitization of email settings
* Adds "Show Support" link to plugin settings
* Adds custom footer text to plugin settings
* Refreshes pro blurb on settings page
* Improves contextual help information
* Improves plugin settings UI/styles
* Improves plugin documentation
* Updates translation template
* Tests on WordPress 6.1

**3.3.4 (2022/09/16)**

* Fixes bug with WP Photo Album Plus ([Thanks](https://wordpress.org/support/topic/fatal-error-4243/) [@opajaap](http://www.opajaap.nl/))
* Tests on WordPress 6.1 (alpha)

**3.3.3 (2022/05/17)**

* Changes dashboard icon to shield
* Adds filter hook `blackhole_dash_icon`
* Tests on WordPress 6.0

**3.3.2 (2022/01/26)**

* Changes `REMOTE_ADDR` now checked before other IP headers
* Tests on WordPress 5.9

**3.3.1 (2022/01/25)**

* Fixes issue with `CF-CONNECTING-IP` (Thanks Daniel Ruf @ [WPScan](https://wpscan.com/))
* Tests on WordPress 5.9

**3.3 (2022/01/22)**

* Improves loading of translations
* Improves performance of plugin settings
* Updates some links to external resources
* Improves output of Blackhole trigger link
* Changes minimum required WP version to 4.6
* Updates default translation template
* Tests on WordPress 5.9

**3.2 (2021/07/19)**

* Adds `chrome` agent to whitelist
* Adds `google page speed` agent to whitelist
* Increases priority for adding robots rules
* Improves plugin readme/documentation
* Tests on WordPress 5.8

**3.1 (2021/02/11)**

* Improves performance of IP functionality
* Improves output of Blackhole trigger link
* Updates default translation template
* Tests on WordPress 5.7

**3.0 (2020/11/15)**

* Fixes bug with error log entries
* Updates plugin script to account for changes in jQuery UI
* Adds support for custom warning template in `/wp-content/`
* Adds filter hook `blackhole_template_filename`
* Adds filter hook `blackhole_custom_dir`
* Updates default translation template
* Updates and refines readme.txt
* Tests on PHP 7.4 and 8.0
* Tests on WordPress 5.6

**2.9.1 (2020/08/19)**

* Updates contextual Help tab information
* Updates default translation template
* Refines the plugin setting page
* Refines readme/documentation
* Tests on WordPress 5.5

**2.9 (2020/08/09)**

* Updates the Blackhole robots.txt rules (see above note)
* Adds rules dynamically to WP robots.txt (Thanks @blackcapdesign)
* Adds filter hooks `blackhole_robots_rules` and `blackhole_domain`
* Adds Blackhole trigger to Login Page (Thanks @wp-henne)
* Adds `wp rocket` to the default user-agent whitelist
* Removes `wprocketbot` from default user-agent whitelist
* Removes Securi and WP Rocket from default IP whitelist
* Appends version number to CSS and JS on settings page
* Bugfix: escapes special characters in whitelist setting
* Bugfix: now loads JavaScript vars only on settings page
* Updates contextual Help tab information
* Updates default translation template
* Refines the plugin setting page
* Refines readme/documentation
* Tests on WordPress 5.5

**2.8 (2020/03/19)**

* Improves markup/meta of blackhole warning page
* Adds note about cache plugins on settings page
* Fixes PHP warning with `gethostbyaddr()`
* Updates contextual help tab information
* Generates new default translation template
* Tests on WordPress 5.4

**2.7 (2019/11/09)**

* Adds Host Name to email alerts and warning page
* Adds filter `hook blackhole_enable_host_check`
* Adds `!defined('ABSPATH')` to new core files
* Adds "uptimerobot" to default whitelist
* Updates styles for plugin settings page
* Tests on WordPress 5.3

**2.6 (2019/08/21)**

* Optimizes plugin performance
* Optimizes internal code structure
* Removes all transients functionality
* Adds code to remove transients on uninstall
* Adds filter for error log output
* Improves error log handling
* Updates some links to https
* Generates new default translation template
* Tests on WordPress 5.3 (alpha)

**2.5 (2019/05/01)**

* Bumps [minimum PHP version](https://codex.wordpress.org/Template:Server_requirements) to 5.6.20
* Updates default translation template
* Tests on WordPress 5.2

**2.4 (2019/04/10)**

* Adds caching for get_vars data
* Adds `a6-indexer` and `ahrefsbot` to default user-agent whitelist
* Tests on WordPress 5.1 and 5.2 (alpha)

**2.3 (2019/03/11)**

* Adds domain name to email alerts
* Improves function `action_links()`
* Refines plugin settings screen UI
* Updates URL for constant `BBB_HOME`
* Generates new default translation template
* Tests on WordPress 5.1 and 5.2 (alpha)

**2.2 (2019/02/20)**

* Tests on WordPress 5.1

**2.1 (2018/11/16)**

* Adds link to robots.txt from settings page
* Adds homepage link to Plugins screen
* Updates default translation template
* Tests on WordPress 5.0

**2.0 (2018/08/21)**

* Adds intro blurb to email alerts
* Adds `rel="noopener noreferrer"` to all [blank-target links](https://perishablepress.com/wordpress-blank-target-vulnerability/)
* Updates GDPR blurb and donate link
* Regenerates default translation template
* Further tests on WP 4.9 and 5.0 (alpha)

**1.9.2 (2018/05/11)**

* Adds support for WP Fastest Cache
* Improves support for caching plugins
* Updates default set of whitelisted user agents
* Updates default set of whitelisted IP addresses
* Adds filter hook, `blackhole_verify_nonce`
* Adds function to enable `display` in textarea settings
* Changes example IP address to `173.203.204.123`
* Fixes obscure `call_user_func` error
* Generates new translation template
* Tests on WordPress 5.0 (alpha)

**1.8 (2017/10/19)**

* Adds to default whitelisted user agents: `apis-google`, `facebot`, `facebookexternalhit`, `pinterest`, `twitter`, `wordpress`
* Updates readme/documentation
* Tests on WordPress 4.9

**1.7.1 (2017/08/13)**

* Replaces `wp_doing_cron()` with direct check for `DOING_CRON`
* Tests on WordPress 4.9 (alpha)

**1.7 (2017/07/29)**

* Adds support for CIDR notation for whitelisted IPs
* Adds function to ignore command-line requests
* Adds logic to ignore WP-Cron requests
* Updates contextual help (Help tab)
* Tests on WordPress 4.9 (alpha)

**1.6 (2017/04/09)**

* Updates default IP keys
* Adds some missing translation strings
* Auto-adds server IP to whitelist settings
* Adds French translation (thanks to Bouzin)
* Adds filter for IP keys, `blackhole_ip_keys`
* Adds meta noindex, nofollow to blackhole page
* Replaces global `$wp_version` with `get_bloginfo('version')`
* Enhances default character set for whois lookup
* Regenerates default translation template
* Tests on WordPress version 4.8

**1.5 (2017/03/08)**

* Fixes some incorrect translation strings
* Adds some style to the Robots Rules setting
* Adds complete contextual help (via the Help tab)
* Adds info about the default bot to the Bad Bots screen
* Replaces delete link with blackhole icon for default bot
* Removes line breaks from plugin-activation warning messages
* Replaces `admin_url()` with `admin_url('plugins.php')` for activation warning
* Replaces `get_template_directory` with `get_stylesheet_directory`
* Updates plugin links on the WP Plugins screen
* Adds default option for `ip_whitelist` setting
* Adds option to set the address for the "From" email header
* Improves loading of PHP include files
* Changes link text for clearing list of bad bots
* Adds new action hook: `blackhole_settings_contextual_help`
* Adds new action hook: `blackhole_badbots_contextual_help`
* Refines the Settings and Bad Bots screens
* Improves logic for script/style enqueue
* Adds blurb about Pro version
* Generates new translation template
* Tests on WordPress version 4.8 (alpha)

**1.4 (2016/11/14)**

Important: if you are upgrading from a previous version and are using a Custom Warning Template, please move it to your theme directory. Otherwise it will be deleted when you upgrade the plugin. Check out the "Custom Warning Template" section under the [Installation documentation](https://wordpress.org/plugins/blackhole-bad-bots/installation/) for more information.

* Fixes missing settings notices via settings_errors
* Adds strong tags to admin notices
* Changes directory for custom warning template
* Removes the `/custom/` directory
* Removes Save Changes button from Bad Bot screen
* Updates some default settings page styles
* Changes stable tag from trunk to latest version
* Adds `»` to rate plugin link on Plugins screen
* Improves escaping for localization tags
* Updates URl for rate this plugin link
* Tests on WordPress version 4.7 (beta)

**1.3.1 (2016/08/11)**

* Fixes bug with IP-address whitelisting
* Fixes bug with user-agent whitelisting
* Makes a small change to settings label
* Generates new translation template

**1.3 (2016/08/08)**

* Updates [WP Admin Notices](https://digwp.com/2016/05/wordpress-admin-notices/)
* Replaces `_e()` with `esc_html_e()`
* Replaces `__()` with `esc_html__()`
* Removes unnecessary `settings_errors()`
* Renames text domain from "bbb" to "blackhole-bad-bots"
* Renames `/lang/` directory to `/languages/`
* Updates `load_i18n()`
* Refines `blackhole_callback_robots()`
* Fixes bug in `blackhole_whois()`
* Improves performance by eliminating redundant whois lookup
* Adds new hook to filter IP address validation: `blackhole_ip_filter`
* Improves IP address handling (adds three new IP-related functions)
* Improves readability of whois email notifications
* Adds "Whitelisted IPs" setting
* Adds a rate this plugin link
* Tests on WordPress 4.6

**1.2 (2016/03/28)**

* Updates URL for BBB_HOME
* Tweaks display of "Blocked Bots" in plugin settings
* Tests on WordPress 4.5 beta

**1.1 (2016/02/22)**

* Adds "baidu" to the search engine whitelist
* Adds credit to documentation for header image

**1.0 (2016/02/22)**

* Initial release