The Movable Type User Manual

NOTE: This documentation is for Movable Type 3.2. If you are using a newer version, please see the documentation for Movable type 3.3x or Movable Type Enterprise.

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Chapter I: Known Issues

In this section:


  • Once an entry or category has been set to receive TrackBack pings, disabling pings for it through the UI will not actually refuse pings to that item but will suppress display of those pings.
  • Rebuilds will fail silently after saving an entry if a problem exists in your templates (for example, mismatched tags or a missing include module). An error will be shown, however, upon manual rebuild using the "Rebuild Site" functionality.
  • The nofollow plugin will cause a spurious warning for users with older versions of Perl upon running mt-check.cgi, mt-testbg.cgi or any of the mt-upgrade scripts. This warning can be safely ignored.
  • Upon originally selecting a Creative Commons license, version 1.0 of the licenses are provided. Upon subsequent edit, version 2.0 licenses are provided.
  • Movable Type can't be used with DBD::Pg 1.4 because of a bug in that version of the database driver.
  • Plugins that need to save configuration data cannot be used with the DBI::postgres driver (mt_plugindata.data column has incorrect type).
  • When using MySQL 4.1, "modified" date strings will be mangled--for example, the output of the <MTEntryModifiedDate> tag is incorrect.
  • When a template is linked to a file, changes to the file are not written to the database until the user views the template and hits the "Save" button. As a result, when using dynamic pages, changes to the file are not reflected on the dynamic pages until the user saves the template.
  • Categories are shown without hierarchy in the "Assign Multiple Categories..." popup.
  • It is impossible to create two categories with the same name, even if they have different parents (on MySQL, PostgreSQL, or SQLite).
  • The recently_commented_on attribute to MTEntries may not function correctly when the MTEntries block is nested in a constraining block such as MTSubCategories.
  • It is impossible to produce files with no file extension by using the "File extension for archive files" box.
  • When a thumbnail is generated for a GIF image with animation, the thumbnail appears broken.
  • Under Windows XP (with IIS), the TrackBack URL that is displayed by <MTEntryTrackBackLink> does not work without further server configuration. For instructions, see "Configuring TrackBack on IIS Servers" in the TRACKBACK section of the Movable Type manual.
  • Better error checking disallows blank names in new categories, but they are still allowed when you edit and save an previously existing category.
  • If a post contains the URL of a large binary file (such as an image or a music file) and TrackBack auto-discovery is on, saving the post may fail.
  • If an error occurs while run-periodic-tasks is running, an entry may be put into "Published" status but not rebuilt.
  • On some versions of IE, after "maximizing" the QuickPost window, the entry text are may appear wider than the window itself, obscuring the scrollbar.
  • When importing or exporting a weblog, unique IDs in Atom feeds may change.
  • <MTComments> with lastn attribute produces an error message on dynamic pages.
  • When a reader submits the "Mail This Entry" form, no confirmation is displayed.
  • Clicking "Go Back" in a pop-up rebuilding window only re-tries the last group of pages upon which a rebuild was attempted, rather than taking the user back to a previous choice. On full-page error messages, "Go Back" does return the user to the screen where the action was taken.
  • After the first weblog, additional weblogs have category archives off by default, even though the default templates have category archives listed on the main index.
  • TrackBack pings received from a site using a different character encoding are displayed incorrectly.
  • <MTEntryBasename> isn't yet supported in dynamic templates.
  • <MTCalendarCellNumber> isn't yet supported in dynamic templates.
  • The new "locale" attribute for <MTBlogLanguage> returns a value in dynamic templates that is inconsistent with its return value on static templates.

NOTE: If you have an issue not listed below, you may find it in the known issues category of the Knowledge base

  • The auto-expiration of Junk feedback items only occurs when a user visits the main menu for that weblog. In future versions, auto-expiration of junk items will be triggered system-wide when a new junk feedback item is received.
  • When an entry is saved from the Preview screen, duplicate TrackBack pings may be sent out
  • When an entry is saved from the Preview screen, the entry basename may be incremented or, if the title was changed, altered to fit the new title.
  • Subcategories are not alphabetically sorted in the category assignment listings on the entry editing screen
  • The Movable Type administrative interface has significant style/layout problems in Netscape 7.1 and possibly all other Netscape-brand browsers. These problems do not occur in Mozilla and Firefox browsers
  • The lastn attribute to MTArchiveList does not work properly and produces an incorrect number of archives.
  • Non-ASCII characters are encoded incorrectly under MySQL 4.1x
  • Dynamic publishing does not properly use/store linked templates
  • The recently_commented_on attribute to MTEntries may not function correctly when the MTEntries block is nested in a constraining block such as MTSubCategories.
  • Changing your blog's time zone forward (in the positive direction) can throttle commenters for a while
  • Modified 'URLs to ping' field not saved when saving entry
  • The Atom feed ID (atom:feed and atom:id) will change if the blog domain is changed or the user exports/imports.
  • If an error occurs while run-periodic-tasks is running, an entry may be put into "Published" status but not rebuilt.
  • CMS.pm and Comments.pm lack HTTP proxy support
  • When a thumbnail is generated for a GIF image with animation, the thumbnail appears broken.
  • TrackBack pings received from a site using a different character encoding are displayed incorrectly.
  • Movable Type can't be used with DBD::Pg 1.4 because of a bug in that version of the database driver.
  • Better error checking disallows blank names in new categories, but they are still allowed when you edit and save an previously existing category.
  • When a reader submits the "Mail This Entry" form, no confirmation is displayed.
  • <MTCalendarCellNumber> isn't yet supported in dynamic templates.
  • The new "locale" attribute for returns a value in dynamic templates that is inconsistent with its return value on static templates.
  • After the first weblog, additional weblogs have category archives off by default, even though the default templates have category archives listed on the main index.
  • When using MySQL 4.1, "modified" date strings will be mangled--for example, the output of the <MTEntryModifiedDate> tag is incorrect
  • Windows XP (with IIS), the TrackBack URL that is displayed by does not work without further server configuration. For instructions, see "Configuring TrackBack on IIS Servers" in the TRACKBACK section of the Movable Type manual.
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