BDE 4.32.0 Release

Schedule

The BDE team announces that the BDE 4.32.0 production release was completed on Monday, December 9, 2025.

BDE 4.32.0 Release Highlights

`bsl::hash` and `hashAppend` Now Support `std::thread::id`

The type std::thread::id, an opaque class type that serves as a unique identifier for std::thread and std::jthread instances, can now be used as a key in BDE unordered associative containers such as bsl::unordered_map. Users who need to hash a larger structure that has a std::thread::id member can do so by passing the std::thread::id value to hashAppend.

Support for `gettid()` Value in BALL Records

BALL log records now include the kernel thread ID (obtained via gettid() on Linux) in addition to the existing pthread thread ID. This allows correlation of log entries with OS-level thread identifiers visible in tools like ps and top, making debugging and log analysis easier. The format specifier %k or %K (for string formatter) and ktid (for json formatter) can be used to print this new attribute in the log message.

The new attribute kernelThreadID() is available in ball::RecordAttributes to access this value.

Fixed Tickets

Summary
TSAN Race Fix in bslmt::QLock test (Test Case 56)
Support gettid() value in BALL records
bsl bugs: to_string(long double) buffer read overrun
hsl: parse+compile of string input triggers a BSLS_ASSERT
bsl::hash<> specialization is missed for bsl::thread::id
Update version check for MSVC acknowledging known test failure
Fix ball_fmt documentation issue
Datum array deallocation size is incorrect