A service option named like a dl option (e.g. --profile) is no longer dropped or mixed with the dl value; the server casts nested values and keeps cli defaults nested.
POST/DELETE /api/dashboard/drain refuses new sessions and jobs (SERVER_DRAINING, 409) and warns open sessions. A CDN can replace a 5xx body, so server errors are now 422, retryable ones and the tunnel check 424, and a new middleware turns any 5xx into 422.
BREAKING CHANGE: INTERNAL_ERROR, DOWNLOAD_ERROR, WORKER_ERROR and the fallback return 422 instead of 500; NETWORK_ERROR and SERVICE_UNAVAILABLE return 424 instead of 503; /api/tunnel/check failures return 424 instead of 502.
The server and the client both check a forwarded cache file before they write it, because Cacher decodes it with jsonpickle. The session-create cache write now runs off the event loop.
--proxy now overrides HTTP(S)_PROXY and the Windows system proxy while keeping the env CA bundle. Core fallback sessions use the run's proxy, and a warn-only audit hook names service code that sends a request or opens a raw socket outside the proxy; a session with proxy_exempt = True opts out.
The remote-dl client sends exact_lang in dl_params, and REST download jobs set it in the service ctx, so a service can skip the manifests of close-match languages.
A REST job shows a wait_for_approval message as its notice field. search, list-titles and list-tracks fail at once on a login that needs the user. A remote client downloads through the --proxy it sends.
Relay the service's CDM calls to the client, accept the service's allowed identity config (for example ESN/Kpe/Kph), add the server_vault grant and a lent server-device mode that reads keys only from vaults and returns no login cache. Also fixes the proxied certificate fetch, Base64 Widevine licences, an answered call that stayed pending and a missing default quality.
Remote sessions now carry -l/-vl/-al/-a/-fs under a nested dl_params, so services fetch the requested audio versions. Server-account tokens for non-default accounts move from default to the account name, so each account logs in once after upgrade.
Cache keys are now the path relative to the service cache dir without .json, so Cacher keys like session_web/<sha1> reach the remote session. The credential filter runs on every path segment, the suffix is appended rather than substituted, and both sides cap the map at 64 keys.
Match once after every server manifest is parsed, and require range and bitrate in the video fallback, so a per-range ISM ladder no longer hands an HDR10 track the SDR quality level. Pass -xerror to the bsf ffmpeg calls so a failed rewrite keeps the original file instead of a near-empty one.
Init segments now carry dvcC/dvvC with a profile-keyed sample entry and the dby1 brand; track ids cover the manifest URL so per-range ladders stop colliding, and the remote path carries the Atmos flag without inventing a JOC count.
The client withheld nothing before: every profile's tokens went to any remote server. Filter by active-credential digests and profile names, keeping service-global files; worst case for a withheld file is a server-side re-auth.
Adds Track.drm_preference so a service can pin a track to Widevine or
PlayReady when a manifest advertises both but only one will license it.
Honoured in DASH/HLS selection, the dl licence path and the remote/API
track round-trip. Also fixes quality-keyed CDM maps sending audio to the
default entry, and a licence callable binding the CDM before the swap.
Renames 314 defs and 41 module/class-level constants. Keeps 11 names underscored where the stripped form collides in scope, plus 5.5.0 shims for the three symbols external service repos call.
Missing requested subtitle and audio languages now warn and continue when --best-available is set instead of hard-exiting. Without the flag, missing languages still produce an error and exit, matching the prior strict behavior. Audio missing-lang detection is now symmetric with subtitles.
- add find_missing_langs helper in core/utilities for reuse between s_lang and a_lang paths (skips all/best/orig sentinels)
- refactor dl.py s_lang/a_lang checks to share the helper
- add tests/lang_selection covering match primitives, helper output, and tricky langcodes corners (zh-Hans/zh-Hant/zh-CN/zh-TW/zh-HK, cmn/yue, fil/tl/tgl)
- clean up unused-var ruff F841 in tests/remote/unit/
Covers RemoteClient/RemoteService, REST routes, handlers, SessionStore, InputBridge, DownloadQueueManager, errors, compression, and serve CLI. E2e tier opts in via --live and can auto-spawn its own serve.
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