42 lines
1.8 KiB
Markdown
42 lines
1.8 KiB
Markdown
<!-- Autogenerated by weave; DO NOT EDIT -->
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# Backwards compatibility and MCPGODEBUG
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According to our compatibility promise, we can't break backward compatibility
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of the SDK API. However, sometimes we need to change the behavior of the SDK
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in a backward-incompatible way in order to fix bugs or security issues.
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In those cases we introduce temporary compatibility parameters, that can be
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used to opt-out of the new behavior. They are usually maintained for two
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minor release cycles and then removed.
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The compatibility parameters are provided via the `MCPGODEBUG` environment
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variable. The value of the variable is a comma-separated list of parameter
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value assignments, e.g.:
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```
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MCPGODEBUG=parameter1=value1,parameter2=value2
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```
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## `MCPGODEBUG` history
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### 1.4.1
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Options listed below will be removed in the 1.6.0 version of the SDK.
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- `disablecrossoriginprotection` added. If set to `1`, newly added cross-origin
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protection will be disabled. The default behavior was changed to enable
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cross-origin protection. **Removal of this option was postponed until 1.7.0.**
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### 1.4.0
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Options listed below will be removed in the 1.6.0 version of the SDK.
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- `jsonescaping` added. If set to `1`, JSON marshaling will preserve the previous
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behavior of escaping HTML characters in JSON strings. The default behavior
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was changed to not escape HTML characters, to be consistent with other SDKs.
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- `disablelocalhostprotection` added. If set to `1`, newly added DNS rebinding
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protection will be disabled. The default behavior was changed to enable DNS rebinding
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protection. The protection can also be disabled by setting the
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`DisableLocalhostProtection` field in the `StreamableHTTPOptions` or
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`SSEOptions` struct to `true`, which is the recommended way to disable
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the protection long term. **Removal of this option was postponed until 1.7.0.**
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