Sima.

What’s New in Asana & Trello: May 2025 Release Notes Digest

By Sima Team | June 7, 2025

Asana & Trello May 2025 cover image

TL;DR – Asana shipped bulk manual rule triggers and Inbox notifications inside Microsoft Teams, while Trello rolled out a redesigned Card Back, brand-new Planner calendar, and an AI-powered Inbox. These quality-of-life updates can shave 2–4 hours/week off task triage at most agencies.


Why Agencies Should Care


Asana — Top 3 May 2025 Enhancements

#FeatureWhy It Matters
1Inbox notifications in Microsoft TeamsAction Asana notifications (comment, assign, complete) straight from Teams threads—no tab surfing. (forum.asana.com)
2Multi-task manual triggersSelect multiple tasks, hit Run Rule, and Asana fires all matching automations at once—batch move statuses, apply fields, or notify stakeholders. (forum.asana.com)
3Faster mobile task detail UIRevamped tap states & pre-loaded thumbnails cut mobile load times by ~28 %. Designers on site reviews rejoice. (forum.asana.com)

Trello — Top 3 May 2025 Enhancements

#FeatureWhy It Matters
1Card Back redesignNew layout surfaces attachments, checklists, and power-ups in a single scroll; API unchanged but power-ups may need style tweaks. (developer.atlassian.com, atlassian.com)
2Planner calendar viewDrag-and-drop cards into a Kanban-meets-calendar to spot timeline clashes instantly—great for small sprint teams. (atlas-bench.com)
3AI InboxCentral feed auto-prioritises mentions and due cards; built-in GPT-4-turbo suggests quick replies (“mark done”, “re-assign”). (atlas-bench.com)

Fast Implementation Checklist

  1. Enable Teams-Inbox in Asana
    • Admin → Apps → Microsoft Teams → Add
    • Grant Read & Write permissions.
    • Encourage PMs to pin the Asana tab in big client channels.
  2. Create a “Bulk Grooming” Rule in Asana
    • Trigger: Manual
    • Action: Set Priority = Medium + Section = Backlog Cleanup.
    • Run on 20–30 tasks Monday mornings.
  3. Upgrade Trello workspace (if needed) for Planner beta access.
    • Settings → Features → Early Releases → Planner.
  4. Audit Trello power-ups for Card Back styling.
    • Check custom CSS or iframes—Atlassian recommends min-height 180 px.

Early ROI Estimates

Team ScenarioHours Saved/WeekValue (at $90/hr)
1 PM triaging 15 Asana projects~1 h (Teams Inbox)$90
2 Designers bulk-moving bug tickets~0.5 h$45
1 PM managing 5 Trello boards~1.5 h (Inbox + Planner)$135
Total potential3 h$270/week

Figures based on Sima time-tracking sample of 6 EU agencies (May 20–31 2025).


What to Watch Next


Final Takeaway

Adopt these May 2025 updates now and your agency gains tangible speed boosts before the next client sprint. Need a hand wiring Teams or Sima into your workflows? Ping the Sima crew—we’ll demo it live.

Happy project managing!