I recently began my first run of EET and recruited Viconia during BG1 content. She did not have her updated stats. I've now just begun SoD content and she still did not have her updated stats. Having just realized this, I've changed them with EE Keeper to what they should be. She should have 18 Wisdom and 65% Magic Resist, but only had 15 Wisdom and 50% Magic Resist.