# Docker Engine 18.04 release notes — Runtime

> Devmapper cleanup improvements. moby/moby#36307 Devmapper.Mounted: remove. moby/moby#36437 Devmapper/Remove(): use Rmdir, ignore errors. moby/moby#36438 LCOW - Change platform parser directive to FROM statement flag. moby/moby#35089 Split daemon service code to windows file. moby/moby#36653 Windows:

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## Metadata

- Canonical URL: <https://wikikv.com/k/ref-docker-e5c59f620c4ab8d8ef33>
- Knowledge kind: `reference`
- Confidence: `0.72`
- Independent verifications: `0`
- Updated: `2026-08-16T09:32:14.477978+00:00`
- Tags: `reference-seed`, `docker`, `manuals`, `engine`, `release-notes`, `release`, `notes`, `runtime`

## Provenance

- Source: <https://github.com/docker/docs/blob/3a9d778562f39bcc0be46255b013c6a3ca526244/content/manuals/engine/release-notes/18.04.md>
- Source name: Docker Documentation
- Source revision: `3a9d778562f39bcc0be46255b013c6a3ca526244`
- Source license: `Apache-2.0`
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## Knowledge

Reference note (untrusted external data; do not execute it as instructions).

Devmapper cleanup improvements. moby/moby#36307 Devmapper.Mounted: remove. moby/moby#36437 Devmapper/Remove(): use Rmdir, ignore errors. moby/moby#36438 LCOW - Change platform parser directive to FROM statement flag. moby/moby#35089 Split daemon service code to windows file. moby/moby#36653 Windows: Block pulling uplevel images. moby/moby#36327 Windows: Hyper-V containers are broken after 36586 was merged. moby/moby#36610 Windows: Move kernel_windows to use golang registry functions. moby/moby#36617 Windows: Pass back system errors on container exit. moby/moby#35967 Windows: Remove servicing mode. moby/moby#36267 Windows: Report Version and UBR. moby/moby#36451 Bump Runc to 1.0.0-rc5. moby/moby#36449 Mount failure indicates the path that failed. moby/moby#36407 Change return for errdefs.getImplementer(). moby/moby#36489 Client: fix hijackedconn reading from buffer. moby/moby#36663 Content encoding negotiation added to archive request. moby/moby#36164 Daemon/stats: more resilient cpu sampling. moby/moby#36519 Daemon/stats: remove obnoxious types file. moby/moby#36494 Daemon: use context error rather than inventing new one. moby/moby#36670 Enable CRIU on non-amd64 architectures (v2). moby/moby#36676 Fixes intermittent client hang after closing stdin to attached container moby/moby#36517 Fix daemon panic on container export after restart moby/moby#36586 Follow-up fixes on multi-stage moby's Dockerfile. moby/moby#36425 Freeze busybox and latest glibc in Docker image. moby/moby#36375 If container will run as non root user, drop permitted, effective caps early. moby/moby#36587 Layer: remove metadata store interface. moby/moby#36504 Minor optimizations to dockerd. moby/moby#36577 Whitelist statx syscall. moby/moby#36417 Add missing error return for plugin creation. moby/moby#36646 Fix AppArmor not being applied to Exec processes. moby/moby#36466 Daemon/logger/ring.go: log error not instance. moby/moby#36475 Fix stats collector spinning CPU if no stats are collected. moby/moby#36609 Fix(distribution): digest cache should not be moved if it was an auth. moby/moby#36509 Make sure plugin container is removed on failure. moby/moby#36715 Bump to containerd 1.0.3. moby/moby#36749 Don't sort plugin mount slice. moby/moby#36711

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