According to recent official patch notes from SteamDB and the official developer portal , updates in this range (1.16.x) focused on the following:
Enabled specialized gameplay mini-games, including automated maid workout routines (like squat tracking) triggered via custom script profiles. Custom Maid 3D -1.53 Ju-C Air 1.16- -kisskiss-
This seemingly casual part of the keyword is the most important of all. It’s the key that unlocks the entire ecosystem. According to recent official patch notes from SteamDB
Corrected name of top included in "Calm Casual Set." Some of models are fixed or adjusted. AIKISS - Ayame Hair. AIKISS - An Bangs. Update for [CUSTOM ORDER MAID 3D2 It's a Night Magic] Corrected name of top included in "Calm Casual Set
The "Ju-C Air" designation refers to a popular community-developed plugin package designed to modernize the software's core functions. Version 1.16 is noted for its stability and performance optimizations.
Verified files from the KISS developer platform. Update for [CUSTOM ORDER MAID 3D2 It's a Night Magic]