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Epiktistes is my home in the Fediverse. It is an instance of Ktistec, a single-user ActivityPub server like Mastodon, but with fewer users and fewer commits. Here's my introduction (last updated early-2025).
I wrote a series of posts about optimizing the performance of the Ktistec server, its build time, and its executable size: part 1, part 2, part 3, part 4, and part 5.
Some things I regularly write about, organized by hashtag:
I also wrote some #pointfreeverse.
The big feature in release v3.2.2 of Ktistec is pinned posts with support for the Mastodon Featured Posts collection. Federation works both ways—pin a post on Ktistec and it will show up as a pinned post on Mastodon and vice versa. When you refresh an actor profile, Ktistec also fetches and updates the actor's pinned posts. This is another small step in the direction of supporting all features that Mastodon-compatible client applications expect to access via the API. It's also useful in its own right.
The other major feature, which I posted a short video demonstrating here, is X-Ray Mode. X-Ray Mode is a developer and power-user tool for inspecting ActivityPub JSON-LD representations of actors, objects, and other content. Pressing Ctrl+Shift+X on any page displays the data behind the page—like an x-ray. You can:
Alt+Left and Alt+Right to navigate through your viewing historyThis feature is useful for debugging federation issues, understanding ActivityPub structures, and verifying how content is stored and represented.
Here's the full changelog for the release:
Added
Changed
The next release will focus on smaller features and bug fixes.
Enjoy!
The recording of Davide Eynard’s (@mala) “Build Your Own Timeline Algorithm” talk from SFSCON is now live.
In the session, Davide walks through how to build a local, customizable timeline algorithm using https://Mastodon.py, llamafile, and marimo.
Watch the full video: https://www.sfscon.it/talks/build-your-own-timeline-algorithm/
would a "more from this actor" button be helpful on #ktistec? the use case is 1) navigate to an actor you're thinking of following, 2) click on "more from this actor" to fetch ~10 additional, recent posts. is there another feature that would be more useful?
I've streamlined theme development in Ktistec. The theming system uses a hierarchy of CSS custom properties and fallbacks. Theme authors can customize a theme at multiple levels:
Base Colors Only
Define only base colors like --text-primary, --bg-primary, --bg-input, --semantic-primary, etc. Derived colors will auto-generate using color-mix formulas. For example:
:root { --semantic-primary: #ffa500; }From this one line, theme-appropriate colors like --bg-accent-code, --anchor-color, etc. auto-generate.
Base Colors Plus Derived Colors
Define base colors and derived colors. Derived colors use custom values when defined. Undefined derived colors auto-generate. For example:
:root {
--text-primary: #333;
--text-primary-2: #ff0000; /* red for this specific shade */
}Given this theme, derived shades like --text-primary-1, --text-primary-3, and --text-primary-4 auto-generate. --text-primary-2 is red.
The simplest possible interesting theme redefines the primary semantic color. The single line above (in Base Colors Only) would result in the following, with button color, link color, disabled, selected, and hover states all derived automatically:
These changes will be in the upcoming release. Existing themes will continue to work, as is.
Experimenting with x-ray mode for ktistec.
Release v3.2.1 of Ktistec adds support for bookmarking posts. This was so immediately useful I don't know why it took me so long to get around to it!
Pinned/featured posts are in the works for the next release.
The full changelog:
Added
Fixed
Changed
In other thoughts... I'd like to make followed hashtags more consumable. I follow ~10 hashtags and: 1) it's hard to tell what's new, 2) it feels like they arrive in large batches that are difficult to digest, and 3) the reading experience is meh.
I just discovered Pirate Weather.
It’s never the compiler or standard library.
It’s never the compiler or standard library.
Sometimes it’s the standard library…
commits b9e0658d to d42482bb cut the time required to run all #ktistec tests from ~35 seconds to ~26 seconds, a savings of about 25% (there are currently 5114 tests). the faster tests run, the more you run them, so this is a good outcome.