"The Go 1.25 release fixes a bug present in Go 1.21, ensuring nil pointer checks are timely and correct, preventing programs from executing successfully when they shouldn't."
"A new package introduced in Go 1.25 supports testing for concurrent code by running tests in an isolated 'bubble' where time is virtualized."
Go 1.25 addresses a significant bug from Go 1.21 that previously allowed programs to execute without triggering nil pointer exceptions. One notable improvement ensures that code utilizing nil pointers now correctly causes a panic. Additionally, a new package has been introduced for testing concurrent code, allowing developers to execute test functions in a simulated environment where the timing is controlled. This package enhances reliability in testing concurrent behavior and was previously available under experimental status in Go 1.24.
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