For my talk at NSSpain 2020 I’ve prepared a beyond-the-basics Timelane talk. I think everyone who’s heard about Timelane by now knows what it does for its simplest use case - debugging some Combine based code. However, you can do much, much more with Timelane! So for my NSSpain 2020 talk I prepared 5 little examples on how to use Timelane beyond the simplest use case. I’ve pushed all the demo apps I use in my talk to this repository: https://github. …

You can easily log data in Instruments by using the functions in Apple’s os framework. All you need is to use os_log(…) and that will log data in Instruments. If you’d like to read more about this check out Recording Performance Data Apple article. Creating a real custom instrument, however, is a little more complicated as you can learn in Creating Custom Instruments WWDC2018 video and it involves XML, CLIPS, and more complex stuff. …

It’s been two weeks since I released Timelane and I’m really humbled by the community’s super positive response. Since much has happened since the launch, I’m writing this to give everyone a detailed update. The current versions are as follows: TimelaneCombine 1.0.4 RxTimelane 1.0.3 TimelaneCore 1.0.3 I’ve merged 18 PRs (in the 14 days since launch!) on all Timelane repos and I pushed some changes myself too. Here’s a summary of what’s new. …

Today I’m announcing the public release of Timelane. Timelane is a free, open source Instrument that helps you profile and debug asynchronous code. Timelane is available today on: http://timelane.tools. The Timelane Instrument leverages signpost logging and the powerful Instruments UI to help you visually inspect asynchronous subscriptions and drill down through logged events over time. Installation Install the latest build from http://timelane.tools or fork the repository on GitHub and build the app yourself. …