The patch increased the "betrayal" chance for officers with the "Ambition" trait (e.g., Matsunaga Hisahide). Do not give them key army groups. Instead, keep them in your capital as "Advisors" or marry your daughters to them. The P2P version allows for save-scumming; use it to test loyalty thresholds.
Large-scale clashes between major clans featuring 12 or more units on both sides. NOBUNAGAS AMBITION Awakening v1.1.5-P2P
To understand why this version is so highly regarded, one must look at the three pillars that hold the gameplay together. The patch increased the "betrayal" chance for officers
Whether you choose to support the developers (which we always recommend for the health of the franchise) or are testing the waters via the P2P scene, version 1.1.5 is the definitive way to play. Install it, select the Oda clan on Hard difficulty, and see if you can avoid the fate of Honno-ji. The P2P version allows for save-scumming; use it
While v1.1.5 provides the technical polish, the broader 1.1 series of updates (often included in the ) added substantial depth to the base game:
Nobunaga’s Ambition: Awakening (v1.1.5) introduced several "deep features" that changed how players manage their clan and expand their territory. The most significant of these is the Dominion System