Release Notes: v0.17.8 - Scan Diagnostics & Topology Fixes

src/lib/changelog/v0.17.8.md

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+---
+version: 0.17.8
+date: 2026-08-02
+title: 'Scan Diagnostics & Topology Fixes'
+social_post: '• Scan warnings summary showing unused and unreachable credentials\n• Reasons reported when SNMP data is missing\n• Fixes for blank topology canvases and lost neighbour links'
+publish_social: true
+contributors: 'Maya'
+email_subject: ''
+---
+
+This release focuses on telling you *why* credentials used during a scan didn't work as expected — unused or unreachable credentials and missing SNMP data now explain themselves clearly in the UI instead of leaving you guessing or grepping logs.
+
+## New Features
+
+- Add an aggregated scan warnings summary that lists every credential Scanopy tried, flags the ones that were unreachable or never used, and says what kind of failure each attempt hit ([#667](https://github.com/scanopy/scanopy/pull/667)).
+- Report the reason SNMP data is missing for a device — including the specific cause of a bridge-MIB shortfall — instead of silently returning empty results ([#667](https://github.com/scanopy/scanopy/pull/667)).
+
+## Improvements
+
+- Improve SNMP collection resilience so a single malformed byte in a response no longer discards the entire device's data ([#667](https://github.com/scanopy/scanopy/pull/667)).
+- Place UniFi-managed devices by their address space rather than the scan scope, putting them in the right spot on the map ([#667](https://github.com/scanopy/scanopy/pull/667)).
+- Make hidden-entity filtering work consistently across entity types and redraw the topology immediately when you toggle it ([#667](https://github.com/scanopy/scanopy/pull/667)).
+
+## Bug Fixes
+
+- Fix element cards being laid out at zero size, which left parts of the map invisible ([#667](https://github.com/scanopy/scanopy/pull/667)).
+- Stop a device with no LLDP MIB from wiping out neighbour links discovered through other sources ([#667](https://github.com/scanopy/scanopy/pull/667)).
+- Fix incorrect container-runtime edges drawn when subnets aren't containers ([#667](https://github.com/scanopy/scanopy/pull/667)).
+- Fix unreadable text in the application wizard's service list when using light mode ([#667](https://github.com/scanopy/scanopy/pull/667)).
+- Correct a stale claim about install artifacts on the daemon provisioning endpoint documentation ([#667](https://github.com/scanopy/scanopy/pull/667)).
+
+---
+
+**Full Changelog**: https://github.com/scanopy/scanopy/compare/v0.17.7...v0.17.8