Library
gh-137583: Fix a deadlock introduced in 3.13.6 when a call to ssl.SSLSocket.recv was blocked in one thread, and then another method on the object (such as ssl.SSLSocket.send) was subsequently called in another thread.

gh-137044: Return large limit values as positive integers instead of negative integers in resource.getrlimit(). Accept large values and reject negative values (except RLIM_INFINITY) for limits in resource.setrlimit().

gh-136914: Fix retrieval of doctest.DocTest.lineno for objects decorated with functools.cache() or functools.cached_property.

gh-131788: Make ResourceTracker.send from multiprocessing re-entrant safe

Documentation
gh-136155: We are now checking for fatal errors in EPUB builds in CI.

Core and Builtins
gh-137400: Fix a crash in the free threading build when disabling profiling or tracing across all threads with PyEval_SetProfileAllThreads() or PyEval_SetTraceAllThreads() or their Python equivalents threading.settrace_all_threads() and threading.setprofile_all_threads().

Thank you for being here! This update includes a bump to Chromium 139.0.7258.128 for increased stability. Enjoy Arc!

Changed: Updated to Visual Studio 17.14.12.

Feature Updated runtime (Windows) (#16854)
Feature Add plugin to set application icon (macOS) (#17170)
Feature Support for Mexico (Central) region (S3)
Feature Support for Asia Pacific (Thailand) region (S3)
Feature Support for Asia Pacific (Taipei) region (S3)

New: updated city database
Fix: various small changes and fixes

New: updated city database
Fix: various small changes and fixes