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Rust #325: note takeover's planned deprecation in 3.1.x #930

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rmcdaniel merged 2 commits into from
Nov 2, 2026
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Rust #325: note takeover's planned deprecation in 3.1.x #930

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Rust #325: note takeover's planned deprecation in 3.1.x
rmcdaniel Nov 2, 2026
7b95718
Keep the takeover deprecation's new-install guidance general
rmcdaniel Nov 2, 2026
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11 changes: 11 additions & 0 deletions docs/rust-server-upgrade-takeover.md
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Expand Up @@ -10,6 +10,17 @@ read, and their `backup_verified`, `php_quiescence_verified`,
`stored_representation_compatibility_verified` and `takeover_allowed` flags are
always false. This note says what makes each one true.

## Deprecation

Takeover ships in 3.0.0 so self-hosted installations can upgrade a PHP Server
database (layouts 2.5.14 through 2.11.8) in place. It gets no further
investment beyond what 3.0.0 ships and is planned for deprecation in the 3.1.x
line (operator decision, November 1, 2026, recorded on
[#325](https://github.com/durable-workflow/server/issues/325)). Upgrade from
PHP while running 3.0.x; the release that deprecates takeover will say so in
its release notes. New installations start on a fresh native database and
never take over a PHP one.

## Shape

Takeover is an explicit command, never a side effect of starting the server.
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3 changes: 3 additions & 0 deletions docs/rust-server-upgrade.md
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Expand Up @@ -5,6 +5,9 @@ backup-first, sequential upgrade of an existing PHP database. This document
describes the first executable preparation step; production takeover remains
unimplemented and unqualified.

Takeover of a PHP database is planned for deprecation in the 3.1.x line; see
[the takeover note](rust-server-upgrade-takeover.md#deprecation).

## Read-only source inspection contract

The native `upgrade-inspect` command inspects a configured existing PHP
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