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Ryan Fleury
2026-06-11 09:40:39 -07:00
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# v0.9.27-alpha
## Debugger Changes
- Fixed an issue which would rarely cause steps to take a long time.
- Drastically improved memory usage of PDB -> RDI conversion for some
workloads, notably PDBs with many small compilation units.
- Added the ability to disambiguate symbol names by module name, debug info
name, or compilation unit name in expressions. This can be done using the
usual syntax, e.g. `my_module.dll!foo`, or `my_unit.obj!foo`. `:` can also be
used instead of `!`.
- Added the ability to redirect debug string output to any label on a
per-target basis. Those labels can then be evaluated in any watch window or
text visualizer. By default, all targets write to `output`, which is
automatically visualized by an `Output` tab. But if you want different
targets to route their debug output to different buffers, you can name the
buffers differently, and then view those in separate text views.
- Added a `Run To Name` command.
- Added an `Auto Load Last Project` setting, which will automatically load the
most recently loaded project on startup (the old behavior pre-0.9.26). This
setting is off by default.
- Added right-click menus for watch expressions, to easily find them in a
memory view, or to break when their value changes.
- Added preliminary support for symbol servers. First, the debugger can attempt
to download debug info for any module via the `Download Module Debug Info`
command (also accessible by right-clicking a module). Second, the debugger
can be configured to automatically do this for all modules which don't have
debug info via the `Auto Download Debug Info` setting. The local cache path
and server URLs used by the debugger for downloading symbols are parsed from
the `_NT_SYMBOL_PATH` environment variable. If that environment variable is
not configured, then it falls back to the defaults of `C:/SymbolCache` and
`https://msdl.microsoft.com/download/symbols`.
- Adjusted the default dark theme.
- Made several UI visual improvements.
- Fixed a few issues relating to offline symbol evaluation (evaluation of
symbols in debug info when not debugging); this was sometimes preventing
function listers (e.g. used in `Go To Name`) from working when not debugging.
- Fixed the debugger's snap-to-code-location rule when a `Disassembly` tab is
occupying the same panel as source code tabs. Previously, the debugger would
overly aggressively switch back to source code tabs. Now, it should respect
the preference of disassembly correctly.
- Improved the stability of the step-over-line operation. Our stepping
algorithm would sometimes cause spurious (and rarely, non-spurious)
access violation exceptions when a thread would try to execute at address
`0x38f`. This most regularly surfaced when an exception on one thread (like a
breakpoint being hit) would interrupt stepping on another thread. This has
been resolved, and stepping in such scenarios should be much more reliable.
- Fixed some crashes in the PDB -> RDI converter. (#792, #803)
- Fixed a bug which was sometimes causing a step-over operation to resume the
process without catching the target thread after its step completed. (#804)
- Adjusted evaluation visualizations to include fully qualified symbol names.
(#809)
# v0.9.26-alpha
## Debugger Changes