![]() As Kotlin is a more modern language in this respect, it was decided to base the new API variant on the Scala edition. Until now, the basis was the Java variant, which, however, had several limitations, enforced by the limited expressivity of Java itself. In addition, a Scala API for Resilient Distributed Datasets has been sported. Compatibility with Jupyter Notebook has also been enhanced. Now application developers can create new data structures using the Kotlin API and operators that can then be used when querching a dataset. After a long wait the developers have finally provided support for previously unavailable User-defined Types and User-Defined Functions. The new Kotlin API for Apache Spark 1.2 is a big breath of fresh air for Spark users. We now call for a response from Spark users. It is strongly apparent that it is Apollo that deals the cards and sets the rules of the game in the GraphQL space.Īnd while we’re on GraphQL and Apollo, the developers of Apollo Kotlin have gone very much Multiplatform, with the platform getting a new Memory Manager, which will become official with Kotlin 1.7.20. The icing on the cake is the mass of new permissions developers must collect from users before accessing their data. ![]() Bluetooth LE Audio, MIDI 2.0, and better shader support also come live. Of course, there are the standard performance improvements (better Garbage Collector and faster JNI access) in addition to new features for developers, such as a new font API to make it easier to work with non-Latin characters and better rendering performance, as well as support for the COLRV1 standard. language version of specific applications)… and that’s all.įrom a programmer’s point of view, there is a bit more. Also, from my perspective, the list of new features is quite similar to what update of Linux internals brings – from a user’s point of view, Android 13 is a bit more customisable (e.g. Where once its release was a big event, today’s launch meant “merging” the whole thing into the main branch of AOSP (Android Open-Source Project) and releasing a new version for Pixels, while waiting for the rest of the market players to make their moves – a bit like the Linux Kernel. This shows well a certain change in thinking about this system. SourcesĪt the beginning of the week, the new Android 13 was premiered. If anyone is curious about how the whole thing was implemented – here you have a specific commit. However, I recommend reading the new JEP to any (aware) ThreadLocal user – with the motivation of extending Java with extent-local variables, the developers have pointed out quite a few disadvantages (but also advantages) of the existing solution. What about the good old ThreadLocal, already summoned in this text? I will reassure you that the new variable type from JEP 429 is not intended to replace it and force its migration. In a somewhat convoluted but effective way, this is supposed to solve the problem of accidental substitution of a reference value coming from ThreadLocal. set method – so it is (unfortunately, only in a ‘shallow’ way) non-mutable additionally, it should be declared as final, and its value is only set in the where method. Firstly, it allows a very specific range of ‘validity’ of the variable to be specified – something that could not be achieved with a regular ThreadLocal, which is a kind of data bag. The above structure has several advantages. final static ExtentLocal V = new ExtentLocal() Their purpose is to allow the sharing of non-mutated data within and between threads. What are extent-local variables? They are an alternative to the existing ThreadLocal, created as a companion to Project Loom. Let us, therefore, take a look at what lies behind it. Hence, I am undoubtedly delighted to inform you that the candidate JEP 429: Extent-Local Variables (Incubator) appears in the 100th edition of our Weekly. However, August is slowly coming to an end, JDK 19 has already received its first Release Candidate, so you can think about the future. There are (I suspect) two reasons for this: the holiday season and the preparation period for the release of the new JDK. We have not had the opportunity to update you on any new JEPs for some time.
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