During this maintenance window we will upgrade The Things Stack Sandbox to The Things Stack v3.37.0.
We expect brief service interruptions during this deployment.
Here is the changelog since the current version v3.37.0:
### Added
- Downlinks can now be scheduled on all antennas of a gateway. Previously only the first antenna could send downlinks, so uplinks received on other antennas could not be answered.
### Changed
- Semtech UDP Packet Forwarder: PUSH_ACK and PULL_ACK are now only sent after the gateway has connected to the Gateway Server and its PUSH_DATA or PULL_DATA has been accepted. Gateways that use these acknowledgements to decide whether they are online may briefly see missing acknowledgements while connecting or reconnecting. - The gs.gateway.disconnect event now contains structured error details instead of a plain text string. If you consume this event through the events API and parse its data, expect the ErrorDetails format.
### Fixed
- Parsing of the `rctx` field in the `upinfo` object of upstream messages received via the LoRa Basics Station LNS protocol. The field name was misspelled as `rtcx`, so the radio context reported by gateways was ignored. The antenna index in the uplink metadata now reflects the reported radio context and is echoed back in class A downlinks, instead of always being 0. - The antenna gain sent to LoRa Basics Station gateways in the router configuration. Each board's radio configuration now uses the gain of its own antenna instead of applying the first antenna's gain to all boards, and fractional gains are no longer truncated.
Posted Oct 16, 2026 - 19:51 CEST
This scheduled maintenance affects: The Things Stack Sandbox (Europe 1 (eu1.cloud.thethings.network), North America 1 (nam1.cloud.thethings.network), Australia 1 (au1.cloud.thethings.network)).