1.5.2

Latest release in branch 1.5
Released 20 years ago (August 20, 2005)

Software WordPress
Branch 1.5
First official release version 1.5.0
First official release date 21 years ago (April 18, 2005)
Release notes https://wordpress.org/documentation/wordpress-version/version-1-5-2/
Source code https://github.com/WordPress/wordpress-develop/tree/1.5.2
Documentation https://wordpress.org/documentation/
Download https://wordpress.org/download/releases/#branch-15
WordPress 1.5 Releases View full list

What Is New in WordPress 1.5

Category Key Changes
New Features Themes System, Pages, Template Tags
Improvements Admin UI, Comment Moderation
Bug Fixes Various fixes for core functionality

How did the new Themes system change WordPress?

WordPress 1.5 introduced a revolutionary Themes system, moving away from a single, hardcoded design. This allowed users to completely change the look of their site without altering the core application logic. The separation of presentation from content was a foundational shift for the platform.

In practice, this meant you could now have a /wp-content/themes/ directory containing multiple design packages. Switching between them was as simple as selecting a new one from the admin panel, making design iterations incredibly fast.

What were the new Template Tags all about?

Template Tags were the engine behind the new theme system. These PHP functions, like the_content() and the_title(), were placed inside template files to dynamically pull content from the database. They provided the bridge between your design files and your site's data.

This approach gave developers precise control over where and how content was displayed. You could craft unique layouts for your homepage, individual posts, and category archives by mixing and matching these tags in different template files.

Why was the addition of static Pages a big deal?

Before 1.5, everything in WordPress was a time-based post. This release introduced static Pages, a new content type for "About" or "Contact" pages that existed outside of the chronological blog flow. It was the first step towards using WordPress as a full CMS.

This mattered because it fundamentally expanded the use case for WordPress beyond just blogging. You could now build a structured website with a hierarchy of pages, which opened the door for small businesses and more complex sites to adopt the platform.

How did the admin interface get better?

The administration area received a significant usability overhaul. The interface was streamlined to make managing posts, pages, and comments more intuitive. This focus on user experience made the platform much more accessible to non-technical users.

Comment moderation tools were also enhanced, giving site owners more control over their discussions. This was crucial for managing spam and fostering healthy community engagement without needing external tools.

FAQ

How do I create a new theme for WordPress 1.5?
Start by creating a new directory in /wp-content/themes/. Your theme must, at a minimum, contain an index.php file and a style.css file with a proper header comment defining the theme's name. You then use Template Tags within your PHP files to output content.

Can I have different layouts for different sections of my site?
Yes, the new template hierarchy allows for this. You can create specialized template files like home.php for the homepage, single.php for individual posts, and category.php for category archives. WordPress will automatically use the most specific template available.

What's the difference between a Page and a Post now?
Posts are for timely, blog-style content that appears in your feed and archives. Pages are for static, hierarchical content (like an "About Us" page) that are not part of the chronological blog stream. They are managed separately in the admin menu.

Are my old plugins compatible with 1.5?
Many plugins will need updates to work with the new theme system and internal changes. It's best to test them in a development environment first. Plugins that directly manipulated the presentation layer will almost certainly need a rewrite to use the new Template Tags.

How do I customize the comment form?
The look of the comment form is now controlled by your theme's templates. You can edit the comments.php template file in your active theme to change its structure and styling, giving you full design control over it.

Releases In Branch 1.5

Version Release date
1.5.2 20 years ago
(August 20, 2005)
1.5.1.3 20 years ago
(July 02, 2005)
1.5.1.2 20 years ago
(June 07, 2005)
1.5.1.1 20 years ago
(May 20, 2005)
1.5.1 20 years ago
(May 10, 2005)
1.5.0 21 years ago
(April 18, 2005)