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cometchat-ios-migration

Upgrade an existing CometChat iOS integration from UI Kit v4 to v5 — composite components removed, theming replaced, properties renamed. Triggers: 'upgrade cometchat ios to v5', 'migrate from v4 uikit ios', 'CometChatConversationsWithMessages not found'.

plugins/cometchat/cometchat-skills/skills/cometchat-ios-migration/SKILL.md

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Nov 6, 2026
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Apache-2.0

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## Companion skills (read first)
- `cometchat-ios-core` describes the v5 target state. This skill is the RECONCILIATION path to it. Build from the official guide — fetch `/ui-kit/ios/upgrading-from-v4` via `cometchat-ios-core/references/docs-map.md` — then apply the deltas below.

## Use this skill when
An existing v4 integration must move to v5, or a build breaks with `cannot find 'CometChatConversationsWithMessages' in scope` after an upgrade.

## The one change that dominates the migration
**v4's composite components are gone.** `CometChatMessages`, `CometChatUsersWithMessages`, `CometChatGroupsWithMessages`, `CometChatConversationsWithMessages` do not exist in v5, and neither do the configuration objects that fed them (`MessageHeaderConfiguration`, `MessageListConfiguration`, `MessageComposerConfiguration`).

That is not a rename — it is an inversion of ownership. v4 gave you one screen that did everything; v5 gives you three components and expects **you** to own the screen and the navigation. Every place the old code pushed a composite becomes a view controller you write, composed per `cometchat-ios-core`'s golden path, with its five layout rules applied.

Budget for this honestly: it is the bulk of the work, and it is a design change in the host app, not a search-and-replace.

## Then the mechanical deltas