.page-intro{font-size:13px;line-height:1.8;color:#57606a;margin:0 0 24px}
.updates-table{width:100%;border-collapse:collapse;margin:0 0 24px}
.updates-table th{text-align:left;padding:10px 12px;background:#f6f8fa;font-size:12px;font-weight:700;line-height:16px;color:#0d1117;border-bottom:1px solid #d0d7de}
.updates-table td{padding:10px 12px;border-bottom:1px solid #e8ecef;vertical-align:top;font-size:12px;font-weight:400;line-height:16px;color:#57606a}
.updates-table a{color:#004578;font-weight:400;text-decoration:underline;text-underline-offset:2px}
.updates-table a:hover{color:#003052}
.page-footer{font-size:13px;line-height:1.8;color:#57606a;margin:0}
.page-footer a{color:#004578;font-weight:600;text-decoration:underline;text-underline-offset:2px}
.page-footer a:hover{color:#003052}

# Changelog

Recent additions and updates to the Petrel Design Guidelines. Check this page regularly to stay current with guidance that may affect active work.
Date
Status
Update
Summary
Aug 2026
Updated
Display Scaling 
&
DPI
Expanded with PerMonitorV2 manifest, dynamic DPI handling, minimum requirements table, graphs/scientific views, WinForms notes, and full 125%–200% test matrix.
Jun 2026
Updated
Notifications
Reworked based on SNTC Findability Study findings.
Jun 2026
Updated
Keyboard 
&
Focus
Focus ring requirements updated to WCAG 2.2 §2.4.11.
May 2026
New
Data Grids
Comprehensive DataGrid guideline published.
May 2026
Draft
Materials
Surface colours, elevation, and layering guidance in review.
Return to the 
Overview
for the latest three updates.