#ruby4

Live, measured metrics for the hashtag #ruby4 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #ruby4

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$1,129.43/ year · 5-character #name
Claim #ruby4 — $1,129.43/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
11
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 11
0
Avg reactions / post
Mastodon · last 11
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-10-19 23:31 UTC
0
10-13
0
10-14
0
10-15
0
10-16
0
10-17
0
10-18
0
10-19

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-10-19 23:31 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-19 23:31 UTC

Everything below is measured over the latest 11 public posts (spanning ~6449 hours).

Top of the latest posts

  • 🚨BREAKING: Ruby 4.0 can now turn your innocent code into a ticking time bomb of chaos with just one magic call to Marshal.load! 🤯 Because clearly, what we all needed was another universal #RCE #deserialization gadget chain to add some spi

    N-gated Hacker News@ngate@mastodon.social♥ 0↻ 02026-08-14 08:16 UTCView post →
  • 🔓 Stuck on Ruby 3.0 or older? Overwhelmed with #techdebt & compliance issues? Upgrade to #Ruby4.0 on a Budget with a pace that meets your needs. 🌳 Bonsai by FastRuby.io® is the monthly upgrade service top-notch engineering teams trust. 🚀

    Yukihiro Matz Matsumoto@matz@ruby.social♥ 0↻ 12026-06-23 03:55 UTCView post →
  • Ruby 4 isn’t only about experimental features. It also brings a set of “quiet improvements” that directly impact everyday code: Set as a core class, Array#rfind, improved inspect control, multiline logical operators, high-precision math fun

    Giménez Silva Germán Alberto@gsgermanok@ruby.social♥ 0↻ 22026-02-26 01:10 UTCView post →

What “ruby4” means

Wiktionary · Wikipedia

ruby[ˈɹuːbi]

  • nounA clear, deep, red variety of corundum, valued as a precious stone.
  • verbTo make red; to redden.
Full entry on Wiktionary →

Ruby is a pinkish-red to blood-red-colored gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α-Al2O3). Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem-quality corundum are called sapphires, and rubies are also sometimes referred to as "red sapphires".

“Ruby” on Wikipedia (CC BY-SA) →

#ruby4 across platforms

every network with a public tag surface

Follow #ruby4 straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/ruby4