rudderlabs/rudder-server v1.87.0-rc.4 on GitHub

1.87.0-rc.4 (2026-09-15)

backend config shadow mode (#7340) (4898165)
bump rudder-go-kit and go modules to Go 1.27.1 (#7345) (8d95c68)
router: read transformerProxy from transformer features before env (#7337) (e8f0ea6)

batchrouter: retry failed async manager initialization (#7374) (974d383)
router: redact credentials from destination URLs in failure responses (#7372) (14659bf)
router: request fails with unexpected use of stub RoundTripper error (#7386) (2ff491f)
singer-protocol sources filtered destination config for source type cloud instead of cloudSource (#7389) (f48c997)
warehouse: instrument the clickhouse v2 load path (#7355) (4d743db)
warehouse: pass temporary credentials to the clickhouse v2 s3 copy engine (#7353) (4d743db)
warehouse: retire idle clickhouse v2 connections (#7352) (4d743db)
warehouse: retry a failed clickhouse v2 block (#7354) (4d743db)

log the candidate error when a backend config shadow sample fails to fetch (#7383) (eaa9b61)
processor: assemble side-PU report metrics at end of preprocess stage (#7346) (4540876)
sync release v1.86.0 to main branch (#7356) (6868c6c)