[dankoverride]

The Studio release notes stopped at 1.4.3 (August 26). 1.6.0 is the latest build published to the alpha ring; 1.4.4 and 1.5.0 were also published there. This one entry covers all three builds.

What's in it

Two user-facing fixes from the 8 PRs merged in IF.APM.App.Avalonia 1.4.3..1.6.0:

• Images in later turns (fixed in 1.4.4, PR 3808). An attached image is now included in the conversation history Studio sends with later messages. Before this fix, the image reached Tessa only on the turn it was sent.
• Persona on the fallback path (fixed in 1.5.0, PR 3953). The assistant now answers as Tessa when Studio runs on a model configured in its settings file instead of a DeepCube assistant instance.

The other six PRs are internal and are left out: 4225 (library session-API migration), 3939 (dependency re-pin), 4021 (dead voice field), and 4165, 4218 and 4246 (docs and CI).

Verification

• Publish dates come from the alpha publish pipelines: 1.4.4 on 2026-09-03, 1.5.0 on 2026-09-15, 1.6.0 on 2026-09-30.
• The build each fix first shipped in was confirmed with git merge-base.
• The image fix wasn't tested interactively in Studio (PR 3808), so the entry states the mechanism and no end-to-end outcome.
• mkdocs build --strict passes locally.
• Passed the C2 docs gate (Steelman, Constitutional, Devil's Advocate, then LLM-as-Judge) at 0.930, with no Critical or Major findings.

Heads-up

The entry says alpha, matching canon. The page's existing banner says "Early Access". That's the known drift tracked as DOC-SP-078, and this PR doesn't change the banner.

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