Release 1.0.52

Release notes

Public Cloud Stage	Availability Date	Regions
Canary 1	9/28/2026	East US 2EUAP
Canary 2	9/29/2026	East US 2 EUAP, Central US EUAP
Pilot	10/30/2026	East US 2 EUAP, Central US EUAP, West Central US
Medium	10/6/2026	East US 2 EUAP, Central US EUAP, West Central US, North Central US
Large	10/8/2026	East US 2 EUAP, Central US EUAP, West Central US, North Central US, West US
Batch 1 A	10/12/2026	East US 2 EUAP, Central US EUAP, West Central US, North Central US, West US, East Asia, Australia East, Australia Central, Canada Central, North Europe, France Central, West India, Japan East, Korea Central, East US 2
Batch 1 B	10/14/2026	East US 2 EUAP, Central US EUAP, West Central US, North Central US, West US, East Asia, Australia East, Australia Central, Canada Central, North Europe, France Central, West India, Japan East, Korea Central, East US 2, Brazil South, South Africa North, Switzerland North, UK West, UAE North, East US, Norway East, Central India, West US 2
Batch 2 A	10/19/2026	East US 2 EUAP, Central US EUAP, West Central US, North Central US, West US, East Asia, Australia East, Australia Central, Canada Central, North Europe, France Central, West India, Japan East, Korea Central, East US 2, Brazil South, South Africa North, Switzerland North, UK West, UAE North, East US, Norway East, Central India, West US 2, Southeast Asia, Australia Southeast, South Central US, Canada East, Japan West, Korea South, Switzerland West, UAE Central
Batch 2 B	10/21/2026	East US 2 EUAP, Central US EUAP, West Central US, North Central US, West US, East Asia, Australia East, Australia Central, Canada Central, North Europe, France Central, West India, Japan East, Korea Central, East US 2, Brazil South, South Africa North, Switzerland North, UK West, UAE North, East US, Norway East, Central India, West US 2, Southeast Asia, Australia Southeast, South Central US, Canada East, Japan West, Korea South, Switzerland West, UAE Central, Australia Central 2, France South, South India, West Europe, Central US, Norway West, South Africa West, UK South
Public Cloud	10/26/2026	All

Mooncake Cloud Stage	Availability Date	Regions
MC 1	10/28/2026	China North
MC 2	11/2/2026	China North, China North 2
MC 3	11/4/2026	China North, China North 2, China East
MC 4	11/9/2026	China North, China North 2, China East, China East 2
MC All	11/11/2026	All

Fairfax Cloud Stage	Availability Date	Regions
FF 1	10/28/2026	USDoD Central
FF 2	11/2/2026	USDoD Central, USDoD East
FF 3	11/4/2026	USDoD Central, USDoD East, USGov Texas
FF 4	11/9/2026	USDoD Central, USDoD East, USGov Texas, USGov Virginia, USGov Arizona
FF All	11/11/2026	All

What's Changed

• Add Azure Linux 4 E2E test coverage by Zhidong Peng (@ZhidongPeng) in #385
• read and deserialize json UTF-8, UTF-16, UTF-32, BOM, LE/BE support by yinbing (@bingyuyin) in #386
• Add timeout for write_serial_console_log function. by Zhidong Peng (@ZhidongPeng) in #387
• GPA to support IPv6 dual-stack address by Zhidong Peng (@ZhidongPeng) in #388
• Update aya to v0.14 by Zhidong Peng (@ZhidongPeng) in #392
• Pin GitHub Actions to full-length commit SHAs by Dan Fiedler (@danfiedler-msft) in #390
• Bump the github-actions group with 9 updates by Dependabot (@dependabot)[bot] in #393
• Add parameter ipv6DualStackSupported for IMDSPingTest.ps1 by Zhidong Peng (@ZhidongPeng) in #394
• update eBPF-for-Windows to v1.5.0 by Zhidong Peng (@ZhidongPeng) in #391
• Use short-lived user cache for proxy authorization decision by Zhidong Peng (@ZhidongPeng) in #395
• Donot error out if authorize_connect6 not found in legacy eBPF program by Zhidong Peng (@ZhidongPeng) in #398
• TelemetryEventsRefactor: Move redact_secrets to the sequential background consumer by Zhidong Peng (@ZhidongPeng) in #399
• Bump the github-actions group with 2 updates by Dependabot (@dependabot)[bot] in #403
• secret_redactor refactor: set DFA size limit and serializing the searches in secret-redactor thread by Zhidong Peng (@ZhidongPeng) in #400
• WindowsEventWriter Refactor: Move windows event writer to async background thread by Zhidong Peng (@ZhidongPeng) in #401
• Report eBPFSvc, GuestProxyAgent service status, and surface eBPF/GPA … by Srikrishna Veturi (@srikrishnaveturi) in #396
• Make add connection summary as background operations. by Zhidong Peng (@ZhidongPeng) in #405
• skip redirector policy udpate in update_redirector_policy if proxy sever has not started yet. by Zhidong Peng (@ZhidongPeng) in #404
• Start proxy_server on a dedicated Tokio runtime by Zhidong Peng (@ZhidongPeng) in #402
• Update logging for linux memory usages by Zhidong Peng (@ZhidongPeng) in #406
• Prepare build for 1.0.49 release by Zhidong Peng (@ZhidongPeng) in #407
• Extra windows memory leaking fixes. by Zhidong Peng (@ZhidongPeng) in #409
• Bump streetsidesoftware/cspell-action from 9.0.1 to 9.1.0 in the github-actions group by Dependabot (@dependabot)[bot] in #408
• telemetry_event to use serialized_size instead of to_xml().length by Zhidong Peng (@ZhidongPeng) in #410
• Clearing regex cache due to memory usage exceeding limit by Zhidong Peng (@ZhidongPeng) in #411
• Report per-service product version in EbpfStatus, separated by pipe by Srikrishna Veturi (@srikrishnaveturi) in #412
• Prepare build for release 1.0.50 by Zhidong Peng (@ZhidongPeng) in #413
• Bump the github-actions group with 2 updates by Dependabot (@dependabot)[bot] in #414
• FIX: Get the correct UID from bpf_get_current_uid_gid by Zhidong Peng (@ZhidongPeng) in #416
• Cache version in ServiceStatusInfo; gate eBPFSvc requirement on Core/… by Srikrishna Veturi (@srikrishnaveturi) in #417
• Prepare release 1.0.51 by Zhidong Peng (@ZhidongPeng) in #418
• defer service-level message override until service-level status is error by Srikrishna Veturi (@srikrishnaveturi) in #419
• Prepare build 1.0.52 by Zhidong Peng (@ZhidongPeng) in #421

New Contributors

• Dan Fiedler (@danfiedler-msft) made their first contribution in #390

Full Changelog: 1.0.48...1.0.52