# Arc Timeline 4 (1.0.1) release notes

**URL:** <https://support.bigpaua.com/t/arc-timeline-4-1-0-1-release-notes/1180>\
**Category:** Announcements\
**Created:** [24 April 2026 01:04 UTC](https://support.bigpaua.com/t/arc-timeline-4-1-0-1-release-notes/1180 "2026-04-24T01:04:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![matt](https://dub1.discourse-cdn.com/flex013/user_avatar/support.bigpaua.com/matt/32/3_2.png) [@matt](https://support.bigpaua.com/u/matt)\
**Post date:** [24 April 2026 01:04 UTC](https://support.bigpaua.com/t/arc-timeline-4-1-0-1-release-notes/1180/1 "2026-04-24T01:04:13Z")

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## Version 1.0.1, 2026-04-23 (Bali)

• Improved GPS accuracy at frequently visited places with new learned Drift Profiles  
• Added Google Maps link to place details for richer place info  
• Fixed phantom timeline items appearing after brief app wake-ups  
• Fixed false-positive “Duplicate Subscription” warnings  
• Fixed onboarding occasionally re-presenting the data import page  
• Fixed a crash in the calendar widget on the timeline toolbar  
• Fixed a crash in visit sample pruning  
• Various sleep mode and recording reliability improvements

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For this one Drift Profiles is the big new thing! Drift Profiles are the successor to the old app’s Trust Factor, for reducing or eliminating nonsense location data drifts overnight or at places you stay multiple hours. Drift Profiles are smarter, better, all the pleasing things 😉