v0.5.0

0.5.0 (2026-09-15)

Features

• core: make DLR persistence optional (fdfc485)
• deploy: add PostgreSQL quick start (e9a67b2)
• dlr: add PostgreSQL message state storage (289ddde)
• dlr: add PostgreSQL schema migration (c6fc49d)
• dlr: make downstream delivery durable (f015294)
• dlr: make PostgreSQL the default backend (29035f2)
• dlr: persist unpushed receipts in PostgreSQL (8cf10d6)
• dlr: wire configurable storage backend (54c6161)

Bug Fixes

• dlr: harden PostgreSQL persistence (65f562c)
• dlr: lease HTTP callback attempts (047e7ee)
• dlr: lease SMPP delivery attempts (153beee)
• dlr: reject HTTP redirect responses (3c72859)
• dlr: retry HTTP callbacks hourly (44ebb93)
• http: persist DLR state before queueing (49aa113)
• smpp: acknowledge before persistence (c2fb549)
• smpp: persist submissions before acknowledgement (2485f8b)
• test: await container removal before restart (bd0a618)
• test: harden native metric polling (3983018)

Performance Improvements

• dlr: parallelize HTTP callback delivery (26edee7)

Documentation

• dlr: detail provider correlation flow (3e8f9a1)
• dlr: document PostgreSQL operations (3417fe9)