More descriptive errors, help and version options, use virtual methods for customization points, implement signals for events (probably), process(..) top-level method for handling exiting upon failure, version, or help.

File gimbal_context.h

get the eff rid of me

File gimbal_date_time.h

GblDateTime_fromIso8601()
double GblDateTime_toJulian(): higher res, with seconds
toIso8601() string corrupting with msec resolution
GblDateTime_format() support ms, us, ns
GblDateTime_parse() support ms, us, ns
are we misnaming GMT as UTC anywhere?
GstDateTime maintains whether fields have been set or not...

File gimbal_doubly_linked_list.h

epic BSD-style for loop macros

File gimbal_enum.h

Macro DSL for auto registering and declaring enum at the same time
Finish docs (method descriptions)

File gimbal_event.h

maybe give them timestamps?
maybe give them virtuals for onAccept/onReject/onReset?
maybe give them source objects?
extra extended creation args + default values

File gimbal_exception.h

consider making it a GblEvent and using event propagation to implement error filtering?
consider supporting child errors which become the children of a rethrown parent error

File gimbal_iallocator.h

make specific allocators implement me

File gimbal_ievent_filter.h

combine with GblIEventHandler

File gimbal_ievent_handler.h

combine me with event filter

File gimbal_ilogger.h

obsolete me

File gimbal_iplugin.h

finalize with GblModule

File gimbal_ivariant.h

Shouldn't the RHS variant automatically be invalidated after a "move" operation?

File gimbal_linked_list.h

GblLinkedList_insert(): insert into middle by index
GblLinkedList_insertAfter(): no list head required
Slick KOS/BSD-style macro for() looping over nodes

File gimbal_logger.h

migrate away from GblThd and towards GblThread
Spam filter: deduplicate messages within a certain interval
Default constructor values

File gimbal_main_loop.h

implement me

File gimbal_module.h

advanced unit testing
plan out type registration/management
rig up option group parsery
stop inheriting GblContext

File gimbal_nary_tree.h

Finish implementing commented out API operations

File gimbal_object.h

Uninstall all signals upon class destructor (with property uninstallation)
Fix construction
- initializer calls constructor? Wtf?
implement class property
Get rid of GblObject_findContext()

File gimbal_pattern.h

Wrap Tiny C Regex tests in gimbal Unit tests
\b word-boundary character class

File gimbal_random.h

Changing channels to swap between seeds

File gimbal_ring_buffer.h

since nothing is public, make it an opaque struct with its buffer appended to the end of the same allocation

File gimbal_ring_list.h

GblRingList_sort()

File gimbal_scanner.h

continue testing type-specific peek/scan functions
write own scanf() implementation that knows how many characters have been read
store GblPattern now instead of GblStringRef
peekPattern(), scanPattern()

File gimbal_settings.h

marshal values to signals
array handling
swap GblHashSet out for GblTreeSet
rig up properties

File gimbal_signal.h

GBL_SIGNALS() DSL
GblSignal_next() for iteration
GblSignal_uninstallAll(GblType type)

File gimbal_sort.h

gblSortRadix()

File gimbal_string.h

gblStrdupa()
gblStrndupa()
Unit tests
Consider moving bulk of GblStringView operations

File gimbal_string_buffer.h

GblStringBuffer_swap(...)
GblStringBuffer_match()
GblStringBuffer_replaceMatch()
GblStringBuffer_removeMatch()
GblStringBuffer_appendUint64()
GblStringBuffer_appendInt64()

File gimbal_string_list.h

Add pattern matching API
replaceInStrings
GblStringList_createSplitPattern()
test any "view" method
make splice take a range
compare/equals strings/arrays/views
pushBack/pushFront arrays
insert arrays

File gimbal_string_view.hpp

return iterators from searches
implement forward/reverse iteration

File gimbal_task.h

implement me (designing API currently, unimplemented)

File gimbal_test_macros.h

need to make an actual exported set of C functions as the top-level entry-point into GBL_TEST_COMPARE(), so that language bindings without macros can use the test framework.

File gimbal_thd.h

get rid of me

File gimbal_thread.h

properties
GblThread_setCallback() has to store within GblBox field
GblThread_setClosure() has to store within GblBox field WITH DTOR
GblArrayMap for underlying structure doesn't make sensse, use GblArrayList
need code for adding and removing to/from vector
checking for auto invocation upon constructed won't work–hasn't been set yet

File gimbal_timer.h

make profiler out of a stack of these

File gimbal_type.h

GblType_next does not iterate over builtin types
- GblType_foreach() is probably better!
GBL_PROTCOL_TYPE solidification and testing

File gimbal_uri.h

design URI flags
implement parsing, formatting, validating back-end

File gimbal_uuid.h

fix reliance on apparently determinsitic random mechanism
GblVariant support, stored as a GblRef*?

File gimbal_variant.h

function call operator()? Or call into a Closure?
serializing/deserializing
Ensure unregistering a type also removes its converters
when you have an instance/box/object type, have to propagate inner type to box's outer type

File gimbal_version.h

implement fuzzy comparison: GblVersion_compare(version, ">=3.23.0")
registered GblType?