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< ol class = "chapter" > < li class = "chapter-item expanded affix " > < li class = "part-title" > Introduction< / li > < li class = "chapter-item expanded " > < a href = "../welcome_and_overview.html" > Welcome and Overview< / a > < / li > < li class = "chapter-item expanded affix " > < li class = "part-title" > Setup< / li > < li class = "chapter-item expanded " > < a href = "../setup/installation.html" > Installation< / a > < / li > < li class = "chapter-item expanded " > < a href = "../postgres.html" > Using Postgres< / a > < / li > < li class = "chapter-item expanded " > < a href = "../reverse_proxy.html" > Configuring a Reverse Proxy< / a > < / li > < li class = "chapter-item expanded " > < a href = "../setup/forward_proxy.html" > Configuring a Forward/Outbound Proxy< / a > < / li > < li class = "chapter-item expanded " > < a href = "../turn-howto.html" > Configuring a Turn Server< / a > < / li > < li class = "chapter-item expanded " > < a href = "../delegate.html" > Delegation< / a > < / li > < li class = "chapter-item expanded affix " > < li class = "part-title" > Upgrading< / li > < li class = "chapter-item expanded " > < a href = "../upgrade.html" > Upgrading between Synapse Versions< / a > < / li > < li class = "chapter-item expanded affix " > < li class = "part-title" > Usage< / li > < li class = "chapter-item expanded " > < a href = "../federate.html" > Federation< / a > < / li > < li class = "chapter-item expanded " > < a href = "../usage/configuration/index.html" > Configuration< / a > < / li > < li > < ol class = "section" > < li class = "chapter-item expanded " > < a href = "../usage/configuration/config_documentation.html" > Configuration Manual< / a > < / li > < li class = "chapter-item expanded " > < a href = "../usage/configuration/homeserver_sample_config.html" > Homeserver Sample Config File< / a > < / li > < li class = "chapter-item expanded " > < a href = "../usage/configuration/logging_sample_config.html" > Logging Sample Config File< / a > < / li > < li class = "chapter-item expanded " > < a href = "../structured_logging.html" > Structured Logging< / a > < / li > < li class = "chapter-item expanded " > < a href = "../templates.html" > Templates< / a > < / li > < li class = "chapter-item expanded " > < a href = "../usage/configuration/user_authentication/index.html" > User Authentication< / a > < / li > < li > < ol class = "section" > < li class = "chapter-item expanded " > < a href = "../usage/configuration/user_authentication/single_sign_on/index.html" > Single-Sign On< / a > < / li > < li > < ol class = "section" > < li class = "chapter-item expanded " > < a href = "../openid.html" > OpenID Connect< / a > < / li > < li class = "chapter-item expanded " > < a href = "../usage/configuration/user_authentication/single_sign_on/saml.html" > SAML< / a > < / li > < li class = "chapter-item expanded " > < a href = "../usage/configuration/user_authentication/single_sign_on/cas.html" > CAS< / a > < / li > < li class = "chapter-item expanded " > < a href = "../sso_mapping_providers.html" > SSO Mapping Providers< / a > < / li > < / ol > < / li > < li class = "chapter-item expanded " > < a href = "../password_auth_providers.html" > Password Auth Providers< / a > < / li > < li class = "chapter-item expanded " > < a href = "../jwt.html" > JSON Web Tokens< / a > < / li > < li class = "chapter-item expanded " > < a href = "../usage/configuration/user_authentication/refresh_tokens.html" > Refresh Tokens< / a > < / li > < / ol > < / li > < li class = "chapter-item expanded " > < a href = "../CAPTCHA_SETUP.html" > Registration Captcha< / a > < / li > < li class = "chapter-item expanded " > < a href = "../application_services.html" > Application Services< / a > < / li > < li class = "chapter-item expanded " > < a href = "../server_notices.html" > Server Notices< / a > < / li > < li class = "chapter-item expanded " > < a href = "../consent_tracking.html" > Consent Tracking< / a > < / li > < li class = "chapter-item expanded " > < a href = "../development/url_previews.html" > URL Previews< / a > < / li > < li class = "chapter-item expanded " > < a href = "../user_directory.html" > User Directory< / a > < / li > < li class = "chapter-item expanded " > < a href = "../message_retention_policies.html" > Message Retention Policies< / a > < / li > < li class = "chapter-item expanded " > < a href = "../modules/index.html" > Pluggable Modules< / a > < / li > < li > < ol class = "section" > < li class = "chapter-item expanded " > < a href = "../modules/writing_a_module.html" > Writing a module< / a > < / li > < li > < ol class = "section" > < li class = "chapter-item expanded " > < a href = "../modules/spam_checker_callbacks.html" > Spam checker callbacks< / a > < / li > < li class = "chapter-item expanded " > < a href = "../modul
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< h1 id = "synapse-release-cycle" > < a class = "header" href = "#synapse-release-cycle" > Synapse Release Cycle< / a > < / h1 >
< p > Releases of Synapse follow a two week release cycle with new releases usually
occurring on Tuesdays:< / p >
< ul >
< li > Day 0: Synapse < code > N - 1< / code > is released.< / li >
< li > Day 7: Synapse < code > N< / code > release candidate 1 is released.< / li >
< li > Days 7 - 13: Synapse < code > N< / code > release candidates 2+ are released, if bugs are found.< / li >
< li > Day 14: Synapse < code > N< / code > is released.< / li >
< / ul >
< p > Note that this schedule might be modified depending on the availability of the
Synapse team, e.g. releases may be skipped to avoid holidays.< / p >
< p > Release announcements can be found in the
< a href = "https://matrix.org/blog/category/releases" > release category of the Matrix blog< / a > .< / p >
< h2 id = "bugfix-releases" > < a class = "header" href = "#bugfix-releases" > Bugfix releases< / a > < / h2 >
< p > If a bug is found after release that is deemed severe enough (by a combination
of the impacted users and the impact on those users) then a bugfix release may
be issued. This may be at any point in the release cycle.< / p >
< h2 id = "security-releases" > < a class = "header" href = "#security-releases" > Security releases< / a > < / h2 >
< p > Security will sometimes be backported to the previous version and released
immediately before the next release candidate. An example of this might be:< / p >
< ul >
< li > Day 0: Synapse N - 1 is released.< / li >
< li > Day 7: Synapse (N - 1).1 is released as Synapse N - 1 + the security fix.< / li >
< li > Day 7: Synapse N release candidate 1 is released (including the security fix).< / li >
< / ul >
< p > Depending on the impact and complexity of security fixes, multiple fixes might
be held to be released together.< / p >
< p > In some cases, a pre-disclosure of a security release will be issued as a notice
to Synapse operators that there is an upcoming security release. These can be
found in the < a href = "https://matrix.org/blog/category/security" > security category of the Matrix blog< / a > .< / p >
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