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Releases and the thinking behind them — what changed in Slipstream, and why.

14 June 2026 · v0.1.5

Two layers of compression: Slipstream now runs RTK too

Slipstream launched compressing the conversation with headroom. v0.1.5 adds a second engine — RTK — that compresses something headroom never touched: the output of the commands your agent runs. The two sit at different points in the pipeline and their savings stack. Here's the difference, why we added it, and how to turn it on — plus an honest note on what we're still learning about the combined effect.

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