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Wrangler now accepts scheduling_policy: "durable_object" in the top-level containers array and creates its namespace-backed application after the Worker upload resolves the Durable Object namespace ID. The namespace ID is also the application ID, so repeated deploys idempotently ensure the same application without name-based lookup, modification, or a Containers rollout.
Durable Object-managed entries accept class_name, scheduling_policy, an optional name, and an optional named images map. Scheduler-only fields are rejected. Each image provides either a local dockerfile or a digest-pinned managed-registry image. Wrangler builds or resolves each image, waits while Cloudflare prepares it for the Containers runtime, and uploads the resulting references with the Worker version for access through ctx.container.images and env.EXPERIMENTAL_CLOUDFLARE_CONTAINER_IMAGES. Local development support for these entries is deferred to a follow-up.
Existing scheduler-backed entries and Durable Object migrations continue to work unchanged.
With --containers-rollout=none, existing Workers retain their deployed Container metadata and image binding even when local containers is omitted or empty; local scheduler edits are also ignored. The upload stops if the deployed versions cannot be recovered. Existing Workers for Platforms dispatch scripts reject this flag before upload because their API does not expose enough metadata to preserve Container associations safely. First deployments can still skip Container preparation and rollout. Without this flag, removing managed Containers, including by omitting containers entirely, clears the experimental image binding even with keep_vars.
versions deploy validates the selected versions before changing traffic and creates their Durable Object-managed applications only after deployment succeeds. Both deploy and versions deploy report partial completion if application creation fails afterward, with instructions to retry the same command.
EXPERIMENTAL_CLOUDFLARE_CONTAINER_IMAGES is a temporary, reserved Wrangler binding until native Container image metadata is available. Its class keys identify managed applications during versions deploy, including classes with empty image maps. User configuration cannot declare a binding with this name; existing versions that already use it are treated as Container configuration.
Wrangler now distinguishes named-only module Workers from legacy Service Workers that happen to have named exports. A default export identifies a module Worker; otherwise, legacy addEventListener registration identifies Service Worker format.
#15581b605aa6 Thanks @MattieTK! - Correct Pages-to-Workers delegation analytics for forced and ineligible commands
The legacy forced result counted every agent-driven Pages command using --force, including commands that could never have been delegated. Wrangler now emits eligible_forced only when --force prevents an otherwise eligible delegation, and records other agent commands as ineligible with a bounded reason and whether force was used.
Fetch-only remote bindings such as D1 and R2 previously opened an unused WebSocket RPC session. RPC sessions are now created only when an RPC method is called.
dependabotBot
changed the title
chore(deps-dev): bump wrangler from 4.113.0 to 4.129.1 in the cloudflare group
chore(deps-dev): bump wrangler from 4.113.0 to 4.129.1 in the cloudflare group across 1 directory
Sep 14, 2026
dependabotBot
changed the title
chore(deps-dev): bump wrangler from 4.113.0 to 4.129.1 in the cloudflare group across 1 directory
chore(deps-dev): bump wrangler from 4.113.0 to 4.131.0 in the cloudflare group across 1 directory
Sep 17, 2026
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Bumps the cloudflare group with 1 update in the / directory: wrangler.
Updates
wranglerfrom 4.113.0 to 4.131.0Release notes
Sourced from wrangler's releases.
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Commits
41d7366Version Packages (#15568)b605aa6[wrangler] Correct Pages delegation analytics (#15581)96688b3fix(deps): bump shell-quote to patch CVE-2026-9277 / CVE-2026-13311 (#15584)24ef86b[wrangler] Handle dynamic retry delays in workflows instances describe (#15569)36aed7fCC-8364 Add top-level Durable Object-managed Containers (#15480)f8aea7eReplace remainingpreview_defaultsreferences withpreviews_base_config(...9d75006[wrangler] Fix named-only module Worker format detection (#15518)128235a[wrangler] Fixtypes --strict-vars=falseemitting invalid TypeScript for an...bff525dfix(wrangler): include transferred_classes in DurableObjectMigration schema (...493e635Remove thewrangler preview settingsandwrangler preview settings update...