Create ChangeLog - Release Notes.md

ChangeLog - Release Notes.md

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+# Release Notes — v1.2 (May 2026)
+
+## Dataset Updates
+
+### Prompt ID Nomenclature
+
+* Updated Prompt ID naming convention for improved categorization and traceability.
+* Refer to the Internal Categories documentation for the new nomenclature structure.
+
+### Expanded Prompt Dataset
+
+The dataset was upgraded with additional evaluation prompts across the following categories:
+
+| Category               | Total Prompts |
+| ---------------------- | ------------- |
+| Language & Grammar     | 29            |
+| Cultural Adaptation    | 34            |
+| Instruction & Response | 32            |
+| Multimodal             | 30            |
+
+### New Placeholder Types Added
+
+The following placeholder categories were introduced to improve localization and cultural evaluation coverage:
+
+* Public Figure
+* Demonym
+* Diminutive
+* Holiday
+* Commemoration
+* Memes
+* Event
+* Internet Slang
+* Brand
+* Relationship
+
+---
+
+## Model Updates
+
+### Language & Grammar Expansion
+
+* Added a new subcategory:
+
+  * **Semantic Accuracy**
+
+This new evaluation area improves the model’s ability to assess meaning preservation, contextual correctness, and semantic consistency across generated responses.
+
+---
+
+## Evaluation Updates
+
+### Expanded Evaluation Coverage
+
+* Increased evaluation samples from **10 prompts** to **15 prompts per subcategory** for more reliable benchmarking and consistency analysis.
+
+### Evaluated Models
+
+The following models were benchmarked during the v1.2 evaluation cycle:
+
+* OpenAI ChatGPT v5.4
+* DeepSeek DeepSeek v3
+* Google Gemini v3 Flash
+* Microsoft Copilot v5.5