First, critical bugs were fixed in order to process scheduled posts and pingbacks correctly. Some other lesser critical updates were made too. Full list of updated/fixed issues, original discussion between WP developers together with code changes can be found at WordPress Bug Tracker. WordPress 2.9.1 Beta 1 package can be downloaded for the evaluation here.
Looking for general review of updates which were made in WordPress 2.9.1? Continue reading.
Comparing WordPress 2.9 and 2.9.1 Beta installation packages I have got the list of updated files in 2.9.1 Beta 1 version:
wp-admin/includes/files.php– download timeout was increased from 1 up to 5 minutes;
wp-admin/includes/image-edit.php– typo is corrected, “counter-clockwise” text was used instead of “couter-clockwise”;
wp-admin/includes/template.php– It is security update: URL sanitizing function esc_url() is added in some places where it was missed but is required.
wp-admin/maint/repair.php– typo in the database prefix was fixed “wpdb” is used instead of wrong “wpb”;
wp-admin/options-general.php, wp-admin/options.php,– some time zone usage staff was updated. Deprecated “Etc/GMT” zone was removed from list of available zones (UTC and Manual Offset zones are added instead), etc.;
wp-admin/core-update.php– future WP versions comparison condition and typo in HTML syntax ending “</p>” tag which was used without slash were fixed;
wp-admin/wp-admin.css, wp-admin/wp-admin-dev.css,-some CSS (e.g. some buttons missed its rounded corners) and related code were updated;
wp-includes/class-json.php, wp-includes/compat.php– JSON usage and header sending issue was fixed;
wp-includes/default-widgets.php– call of _destruct() method for non-existing object was fixed;
wp-includes/formatting.php– more exact regular expression was used to remove line breaks from the text input:
/\s+/was changed to
wp-includes/http.php– CURL timeout definition code was updated.
CURLOPT_TIMEOUT_MSusage was excluded due to bug in some CURL versions;
wp-includes/user.php– update sanitizes things that are strings or numbers only not objects as earlier whiche caused the fatal error;
wp-includes/version.php– as you guessed already it is version change from 2.9 to 2.9.1 beta update