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Checklist

• This is a bug report.
• This is a feature request.
• This is a plugin (improvement) request.
• I have read the contribution guidelines.

Description

I'm not sure if its fair to call this a bug as it might be an issue on Crunchyroll's end either purposeful or not. I'm not able to watch the latest episode in a series if it's only available to premium users using Streamlink, even logged in as a premium user as there are no streams available according to Streamlink.

error: No playable streams found on this URL: http://www.crunchyroll.com/my-hero-academia/episode-49-one-for-all-768957

I can't find any recent issues that match this behaviour and I used to be able to play the latest episode with Streamlink though the last time I used Streamlink was about a month or so ago for new episodes I've mainly been rewatching older shows.

URL Tested with http://www.crunchyroll.com/my-hero-academia/episode-49-one-for-all-768957
Tested watching other URLs which are not exclusive to premium users and they work fine.

...

Expected / Actual behavior

A stream should be found and playable using Streamlink as there is no CR related issues open at present.
...

Reproduction steps / Explicit stream URLs to test

1. Grab a URL (E.G http://www.crunchyroll.com/my-hero-academia/episode-49-one-for-all-768957) for a new episode which is only available to premium users at present.
2. Use URL with Streamlink as usual.

Logs

Logs are always required for a bug report, use -l debug (help)
Make sure to remove username and password
You can upload your logs to https://gist.github.com/ or

[console][debug] OS:         Windows 10
[console][debug] Python:     3.5.2
[console][debug] Streamlink: 0.13.0
[console][debug] Requests(2.18.4), Socks(1.6.7), Websocket(0.48.0)
[console][info] Found matching plugin crunchyroll for URL http://www.crunchyroll.com/my-hero-academia/episode-49-one-for-all-768957
[console][debug] Plugin specific arguments:
[console][debug]  --crunchyroll-username=howdlej (username)
[console][debug]  --crunchyroll-password=******** (password)
[plugin.crunchyroll][debug] Creating session with locale: en_GB
[plugin.crunchyroll][debug] Session created
[plugin.crunchyroll][debug] Using saved credentials
C:\Program Files (x86)\Streamlink\pkgs\urllib3\connectionpool.py:858: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
  InsecureRequestWarning)
error: No playable streams found on this URL: http://www.crunchyroll.com/my-hero-academia/episode-49-one-for-all-768957

Comments, screenshots, etc.

If this is a known issue and something CR is doing specifically to counter Streamlink then please feel free to delete or mark as closed but I couldn't see anything about this specific issue or any other related CR issues.

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