Tenderly incident
Polygon - Network wide issues due to Heimdall v2 migration
Tenderly experienced a minor incident on July 10, 2025, lasting 14h 57m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Jul 10, 2025, 07:47 PM UTC
Network wide incident has been identified on Polygon mainnet
- identified Jul 11, 2025, 08:26 AM UTC
Team is still actively working on stabilising Polygon mainnet, lag was observed on Polygon RPCs on couple of occasions 23:30-01:20 CEST and 4:55 - 9:50 CEST. To mitigate the lag the unprocessed blocks are skipped and the backfilling process is started.
- monitoring Jul 11, 2025, 09:42 AM UTC
The lag has been fully mitigated and all nodes are now in sync. Backfilling of historical data is currently in progress, with an estimated completion time of approximately 2 hours.
- resolved Jul 11, 2025, 10:44 AM UTC
The job backfilling of historical data has completed and Tenderly nodes are serving all block ranges for Polygon mainnet again.