The Pathfinder Roleplaying Game Reference Document contains all errata to the Roleplaying Game line of products as of 5/30/2013.
07/01/2013 - Added OGL content from Pathfinder Roleplaying Game: Ultimate Campaign. No other items were updated.
5/30/2013 - Added errata from the 6th printing of the Pathfinder Core Rulebook. No other content was updated.
01/18/13 - Added OGL content from Ultimate Equipment and the NPC Codex. Spells and feats from the Advanced Race Guide have been added to the global indexes. PRD fixes and typos were also added.
08/29/12 - Added OGL content from the Advanced Race Guide, combined monster pages for Bestiaries, minor style changes and added PRD fixes from support thread.
07/16/2012 - Added errata content from the 2nd printing of Bestiary 2 and thread fixes.
3/30/12 - Added errata content from the 2nd printing of Ultimate Magic and thread fixes.
3/15/12 - Fixes from PRD reporting thread up to date. Linked combat tables and improved visibility of pages on iPad.
1/25/12 Addition of Bestiary 3 Open Game Content. Pages for animal companions added to both the Bestiary and Bestiary 2. Minor fixes from PRD messageboard thread applied.
11/30/11 - Added errata for the 5th printing of the Core Rulebook and corrected minor formatting errors and links.
10/5/11 - Fixed broken links and made minor style changes. Lists for Bestiary and Bestiary 2 were updated to match Index format. All Spell Indexes for all books were updated to match Index format. Also added links in Spell Lists to each of the lists by class.
9/13/11 - Addition of Ultimate Combat Open Game Content and Bestiary third printing updates. Layout images and styles were updated. Stat block styles were added to a number of sections (including feats and Bestiary entries). iPhone/iPad support specific layouts and features added.
7/5/11 - Cleanup of broken and extraneous links
6/28/11 - Formatting Tweaks.
6/27/11 - Addition of Bestiary 2 and Ultimate Magic Open Game Content. Some link cleanup and missed errata.
4/20/11 - Correction of broken links.
3/30/11 - Formatting cleanup for Golems and Dragons. Correction of minor typos. Removal of some extraneous links in wondrous item names. Navigation links for Advanced Spells and Magic Items corrected.
1/25/11 - APG Second Printing Errata. Minor formatting and link cleanup. Consolidate lesser geas and geas/quest.
12/17/10 - Formatting cleanup. Links repaired for Advanced Feats. Removal of extraneous tags.
12/13/10 - Open Game Content from Advanced Player's Guide and GameMastery Guide. Miscellaneous other updates.
10/5/10 - Fourth printing errata. Remove rogue link to Penetrating Strike feat in Bebelith entry.
7/22/10 - Adjusted Half-Celestial SLA table. Added link for Pinpoint Targeting. Corrected headers for Eagles and Giant Eagles. Addressed links for Spash Weapons.
6/30/10 - Fixed labels on the Scry table.
6/24/10 - Profession links that incorrectly linked to Perform corrected. Cure light wounds links in monster stat blocks corrected. Extraneous lines in Long Jump table removed.
6/2/10 - Correction of broken 0-Level spell lines for celestials. Kobold senses line corrected.
5/28/10 - Minor spell formatting tweaks. Fix of some broken links. Third printing errata. Removed redundant and incorrectly formatted version of Table: Natural Attacks by Size. Search option in header.
12/18/09 - Links improved. Table references corrected. Removal of errant spell and magic item links in flavor text.
10/22/09 - Linked summon lists to appropriate monster entires. Minor formatting fixes. Rounding up of mispaced text. Redirection of innacurate links. Corrected table references. Paralysis link added to Ghoul entry.
10/21/09 - Added monster rules. Fixed badly formatted entries in Spell lists. Fixed 'broken' link in Damaging Magic Items.
8/31/09 - Fixed merged cells in Intelligent Items. Fixed table references in Dragon Disciple.
8/25/09 - Fixed italics tag in Magic Items Creation