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• v1.1.0 6112a707c7

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  1.1.0 Stable

  ScuroNeko released this 2026-03-17 14:43:28 +03:00 | 2 commits to main since this release

  What's changed

  This release fixes a shutdown bug in slog caused by recursive error logging and unsafe writer ownership.

  Fixed

  • Logger.Close() no longer logs writer.Close() errors through the same logger instance
  • writer errors during print / println no longer trigger recursive l.Error(err) calls
  • stdout-based writers no longer close os.Stdout
  • generic CreateTextWriter / CreateJsonWriter no longer close externally provided writers
  • Close() now returns aggregated writer close errors instead of silently returning nil
  • non-closable external writers no longer cause panics on Close()

  Internal changes

  • file-based writers explicitly own and close the files they create
  • stdout and externally injected writers are treated as non-owning
  • added regression tests for:
    • writer Print() errors without recursion
    • aggregated Close() errors
    • safe Close() behavior for stdout writers
    • safe Close() behavior for non-owning external writers

  Impact

  This removes a class of hangs / recursion failures during logger shutdown and makes writer lifecycle behavior explicit and predictable.

  Compatibility note

  CreateTextWriter(io.Writer, ...) and CreateJsonWriter(io.Writer, ...) are now non-owning by design. If you pass a closable writer such as *os.File through these constructors, closing that writer is now the caller's responsibility. If you want the logger to own the file lifecycle, use CreateTextFileWriter(...) or CreateJsonFileWriter(...).

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