Binary compatibility report for the Tcl library between 8.2.3 and 8.3.0 versions on x86

Test Info

tclDecls.h, libtcl8.3.so
Tcl_GetChannelNamesEx ( Tcl_Interp* interp, char* pattern )

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	Change	Effect
1	Removed register modifier from the parameter objPtr.	The parameter will be passed on the calling stack instead of a register.

tclDecls.h, libtcl8.2.so
[+] Tcl_AppendUnicodeToObj ( Tcl_Obj* objPtr, Tcl_UniChar* unicode, int length ) (1)

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	Change	Effect
1	Field tcl_GetChannelNamesEx has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
2	Field tcl_ProcObjCmd has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
3	Size of this type has been changed from 1564 bytes to 1572 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

tclDecls.h
[+] struct TclStubs (3)

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	Change	Effect
1	3rd parameter write has been renamed to forWriting.	Renaming of a parameter may indicate a change in its semantic meaning.

tclDecls.h, libtcl8.2.so
[+] Tcl_GetOpenFile ( Tcl_Interp* interp, char* str, int write, int checkUsage, ClientData* filePtr ) (1)

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tcl.h
tclDecls.h

libtcl8.2.so