> ## Documentation Index
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> Use this file to discover all available pages before exploring further.

# v0.1.0-alpha.151 10/08/2026

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**Description**: Backfill button not disabled during an active sync — re-triggers stack onto the queue.

### Changes

* Backfill button not disabled during an active sync — re-triggers stack onto the queue (#3503).
* Stop IBM i sources drifting hours behind the journal (#3507).
* \[#2707]\[#2973]\[DP] Kotatsu display over the HTTP service, with Kafka live-stream fallback (#3506).
* Worker snapshot API - the method names now match what they do (#3505).
* Memory optimizations in swow\_target - reduce kafka batch size + low allocation hashing (#3514).