Changelog

Notable changes to this repository, newest first.

This format follows Keep a Changelog. Version numbers align with major Oracle Graph release milestones.

Changed

Updated Oracle Property Graph documentation link from Release 26.1 to 26.2 in property-graph/26ai/README.md.
Improved tools/graphviz-demo/README.md: switched to consistent asterisk list markers, reordered query language references (SQL:2023 before PGQL), fixed grammar/spacing/emphasis in multiple sections, clarified quick start and version compatibility notes.
Updated tools/jupyter-notebooks/requirements.txt to use the current oraclegraph package (replacing the previous oracle-graph-client).
Standardized CHANGELOG.md section headers (changed ### to ## for consistency with top-level sections) and added whitespace.