rtmp: drop support

- librtmp has no test cases, makes no proper releases and has not had a
  single commit within the last year

- librtmp parses the URL itself and requires non-compliant URLs for this

- we have no RTMP tests

- RTMP was used by 2.2% of curl users (self-identified in the 2025
  survey)

Closes #20673
This commit is contained in:
Daniel Stenberg 2026-03-21 12:14:21 +01:00
parent ff28f67970
commit ceae02db04
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37 changed files with 82 additions and 740 deletions

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@ -16,18 +16,6 @@ how your use case cannot be satisfied properly using a workaround.
In March 2026, we drop support for all c-ares versions before 1.16.0.
## RTMP
RTMP in curl is powered by the 3rd party library librtmp.
- RTMP is barely used by curl users (2.2% in the 2025 survey)
- librtmp has no test cases, makes no proper releases and has not had a single
commit within the last year
- librtmp parses the URL itself and requires non-compliant URLs for this
- we have no RTMP tests
Support for RTMP in libcurl gets removed in April 2026.
## TLS-SRP Authentication
Transport Layer Security Secure Remote Password is a TLS feature that does not
@ -73,3 +61,5 @@ After curl 8.19.0 NTLM support becomes opt-in.
- Support for Windows XP (removed in 8.19.0)
- OpenSSL-QUIC (removed in 8.19.0)
- CMake 3.17 and older (removed in 8.20.0)
- RTMP (removed in 8.20.0)