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Add a warning to the announcement.

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David Chisnall 8 years ago
parent 6d9f2a6586
commit 2542638b23
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4
ANNOUNCE
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@ -27,7 +27,9 @@ Highlights of this release include:
- Significant improvements to ARC, including - Significant improvements to ARC, including
* The runtime no longer acquires a global lock on every object deallocation (a * The runtime no longer acquires a global lock on every object deallocation (a
global lock is still used for objects that have weak references). global lock is still used for objects that have weak references). *NOTE:*
This is incompatible with other code directly inspecting the reference
count and will break with older versions of GNUstep Base!
* Weak references use a scheme closer to C++ `std::weak_pointer` and are * Weak references use a scheme closer to C++ `std::weak_pointer` and are
lazily zeroed on access. This reduces the space overheads for weak lazily zeroed on access. This reduces the space overheads for weak

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