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Update compatibility.md 

We decided that we can't enforce strict limits for insert/remove based on analysis of Roblox games
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Arseny Kapoulkine 2021-06-15 19:05:27 -07:00 committed by GitHub
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@ -90,7 +90,7 @@ Ephemeron tables may be implemented at some point since they do have valid uses
| new function `table.move` | ✔️ | |
| `collectgarbage("count")` now returns only one result | ✔️ | |
| `coroutine.isyieldable` | ✔️ | |
| stricter error checking for `table.insert`/`table.remove` | 🔜 | we're evaluating compatibility implications
| stricter error checking for `table.insert`/`table.remove` | 😞 | we love this, but it breaks compatibility
It's important to highlight integer support and bitwise operators. For Luau, it's rare that a full 64-bit integer type is necessary - double-precision types support integers up to 2^53 (in Lua which is used in embedded space, integers may be more appealing in environments without a native 64-bit FPU). However, there's a *lot* of value in having a single number type, both from performance perspective and for consistency. Notably, Lua doesn't handle integer overflow properly, so using integers also carries compatibility implications.