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# Ghidra 12.1.3 Change History (August 2026)
### Improvements
* _Basic Infrastructure_. Added stricter filtering to characters used for symbol names. (GP-6843, Issue #9165, #9172, #9206)
* _BSim_. Improved escaping in `BSimControlLaunchable`. (GP-6977)
* _BSim_. Upgraded the PostgreSQL JDBC Driver from 42.7.11 to 42.7.13. (GP-7105)
* _BSim_. Upgraded postgresql for BSim to 15.18. (GP-7107)
* _Demangler_. The Swift Demangler Analyzer no longer accepts a user-specified path to the Swift binary directory. Instead, the Demangler expects Swift to be on the `PATH`. (GP-7045)
* _Exporter_. Added packed Debugger Trace import/export using `*.gzt` files. (GP-6891)
* _GUI_. Updated the Headless Analyzer to not write to the user's preferences. (GP-7096, Issue #9414)
* _Importer:COFF_. Implemented the COFF `IMAGE_REL_ARM64_ADDR64` relocation. (GP-7088, Issue #9408)
* _Importer:Mach-O_. Provided safer parsing of `dyld_shared_cache` files. (GP-7046)
* _Logging_. Upgraded log4j to version 2.26.1. (GP-7134)
* _Multi-User_. Corrected potential network performance issue related to Ghidra Server use. Full benefit requires update of both Ghidra Server installation and Ghidra client software. (GP-7012, Issue #2752, #9316)
* _Processors_. Made SparcV9 register display formatting more consistent. (GP-941)
* _Scripting_. Updated the Structure Editor to perform a structure reload when the structure's description is changed outside of the editor. (GP-7118, Issue #9461)
* _Search_. Updated __Find Uses of__ for FunctionDefinitions to find references inside of functions and function parameters. (GP-7044, Issue #9342)
### Bugs
* _Analysis_. Fixed failure to recover switch instructions if the switch is computed with an instruction with internal pcode branching such as the AARCH64 `csel` instruction. (GP-7023)
* _BSim_. Improved `GhidraURL.toURL` to handle Ghidra URLs previously stored by BSim where proper URL encoding was never performed. (GP-6970, Issue #9275)
* _Data Types_. Corrected BuiltIn GUID datatype alignment to be 4 bytes instead of 8 bytes. Packed structures containing this datatype will need to be re-packed to pick up on this change. (GP-6953, Issue #9200)
* _DB_. Corrected Ghidra database problem which could prevent analysis times from getting properly saved to a program. (GP-7070, Issue #9346)
* _DB_. Corrected internal method behavior for `ContentHandler.getChangeSet` which could return an empty change set if the version range does not include the latest version. (GP-7113, Issue #9415)
* _Debugger:Agents_. Now applying proper argument quoting and metacharacter escaping to prevent `ShellUtils` command injection. (GP-6934, Issue #9283)
* _Debugger:Time_. Fixed PC column in Time panel when emulating from a live target. (GP-6841)
* _Debugger:Trace_. Fixed a potential OOM exception in `ObjectStorageStreamAdapter` used by Trace database. (GP-6886)
* _Decompiler_. Added Decompiler support for memory accesses that wrap from high to low addresses. (GP-6936)
* _FileSystems_. Fixed a potential path-traversal vulnerability in `AndroidProjectCreator`. (GP-6885)
* _GUI_. Fixed bugs in the Column Filter Dialog that caused `NullPointerExceptions` on some Mac systems. (GP-7050)
* _GUI_. Fixed a deadlock seen when saving a program. (GP-7051, Issue #9358)
* _GUI_. Fixed incorrect tool tips in the File Chooser that are sometimes seen when filenames are clipped. (GP-7094)
* _Importer_. Fixed a potential path-traversal vulnerability when importing XML `*.bytes` files. (GP-7064)
* _Importer_. Fixed a potential infinite loop in the PEF loader and made improvements to OMF parsing. (GP-7071)
* _Importer_. Providing more efficient parsing of System Object Model (SOM) binaries. (GP-7123)
* _Importer_. Providing more efficient parsing of Motorola Hex files. (GP-7124)
* _Importer:ELF_. Corrected an issue found with ELF dynamic PLTGOT processing, in the absence of section headers, which could cause the last PLT to be skipped. (GP-7056)
* _Importer:ELF_. Corrected ELF Importer regression with Ghidra 12.1.2 which could fail when processing dynamic GNU Hashtable and symbol table. (GP-7061, Issue #9369)
* _Importer:Mach-O_. Fixed an `IndexOutOfBoundsException` in the Mach-O loader that could occur when importing a binary with a `LC_DYSYMTAB` load command but having a missing or empty `LC_SYMTAB` load command. (GP-7079, Issue #9399)
* _Importer:PE_. Fixed unsigned PE export ordinal-table indexes. (GP-7085, Issue #9396, #9397)
* _Importer:PE_. Improved the handling of JDOM attribute errors in the PE `LibraryLookupTable`. (GP-7087, Issue #6288)
* _Listing_. Fixed an `IllegalArgumentException` that occurred when trying to perform __Copy Special__ in the Listing with a program name that contains the exclamation mark (`!`) character. (GP-7055, Issue #9362)
* _PDB_. Fixed a memory-consumption issue that could occur with a malformed PDB directory stream. (GP-6971)
* _Processors_. Added support for RH850G3 instructions in the V850 language module. (GP-2907, Issue #4788)
* _Processors_. Fixed register operand for ARM M-profile `msr apsr` instruction operand encoding. (GP-5206, Issue #6597, #6598)
* _Processors_. Added several missing x86 instructions. (GP-5780)
* _Processors_. Added semantics for several x86 AVX instructions. (GP-6061, Issue #9184, #9197)
* _Processors_. Added CPU32 variant for the M68000 processor module. (GP-6186, Issue #1244, #2617, #8463, #9084)
* _Processors_. Corrected operand sizes for AARCH64 `stlrb` and `stlrh` instructions. (GP-6620, Issue #6468, #9043)
* _Processors_. Corrected disassembly of HCS12 `BRN` instruction. (GP-6642, Issue #9001)
* _Processors_. Fixed an issue with a missing return address for the SuperH4 `bsr` instruction. (GP-6699)
* _Processors_. Corrected x86 logic for setting the `OF` flag for `SHR`, `RCL`, and `RCR` instructions. (GP-6767, Issue #9330)
* _Processors_. Corrected Tricore `subc` carry flag usage. (GP-6769)
* _Processors_. Corrected carry flag calculation for the MCS-96 `CMPL` instruction. (GP-6770)
* _Processors_. Added missing x86 GFNI instructions. (GP-6818)
* _Processors_. Corrected handling of RISC-V 16-bit operands. (GP-6876)
* _Processors_. Fixed RISC-V emulation of `div` and `rem` instructions when divisor is 0. (GP-6909, Issue #6508, #9225, #9235)
* _Processors_. Added PowerPC v3.0B, v3.0C instructions. (GP-6914)
* _Processors_. Corrected interrupt mask size in ARM `mrs` for the `IPSR` system status register. (GP-6931, Issue #9251, #9252)
* _Processors_. Fixed an issue with x86 legacy instructions using a `REX` prefix to read AVX-512 registers. (GP-6937, Issue #9256)
* _Processors_. Added instruction index file for the SuperH processor. (GP-6964, Issue #9278)
* _Processors_. Fixed stack parameter offset for e500mc default calling convention. (GP-6968, Issue #9089)
* _Processors_. Fixed an issue with the M68000 `movem.w` instruction incrementing by 4 instead of 2. (GP-6983, Issue #8824)
* _Processors_. Corrected x86 `rex chg eax, eax` to correctly disassemble to `nop`. (GP-7015, Issue #9327)
* _Processors_. Corrected x86 `vpextrw` to correctly disassemble when `VEX.W=1`. (GP-7016, Issue #9323)
* _Processors_. Corrected x86 `PINSRW`, `VPEXTRB`, and `VPEXTRD` intructions to use the correct masking of immediate byte for masks. (GP-7017, Issue #9328)
* _Processors_. Corrected x86 `MOV` instruction to use 32-bit register operands when moving from segment registers. (GP-7018, Issue #9326)
* _Processors_. Corrected x86 `pslld` instruction to use correct shift count for upper word. (GP-7019, Issue #9329)
* _Processors_. Corrected AARCH64 NEON instructions which did not correctly zero-extend scalar results. (GP-7040, Issue #9277)
* _Processors_. Corrected encoding for ARM `sev.w` instruction. (GP-7065, Issue #9371)
* _Processors_. Corrected MIPS 16e language variants to use the correct `variant` tag in the ldefs file. (GP-7133, Issue #9432)
* _Testing_. Fixed pcodetest framework to correctly honor the `build_exe` config option. (GP-7067, Issue #9374)
* _Tests_. Patched the pcodetest builder to remove the use of `os.system()`. (GP-7007, Issue #9309)
### Notable API Changes
* _Debugger:Agents_. (GP-6934) `ShellUtils.generateLine` now requires a `Shell` argument, identifying the applicable shell. `ShellUtils.generateArgument` has been replaced by `Shell.generateArgument`.
* _Decompiler_. (GP-6892) Added `Encoder.writeOpcode` method, specifically for opcode ordinals.
* _Importer:ELF_. (GP-7057) Revised `ElfSymbol.isExternal() ` to disregard symbol type, `st_value`, and `st_size`, which were previously being considered.
# Ghidra 12.1.2 Change History (June 2026)
### Improvements