$ git log --author="preciz" --all --oneline

On the record

preciz

@preciz ↗ first byline May 2026

Every morning, RepoJournal's newsroom reads what shipped across the open-source projects developers depend on — and writes the wire. Your commits kept making the news. This is your clippings file: the stories where your work was the story.

stories filed

daily wires

$ grep -rn "author: preciz" wires/ | sort -r

Elixir & Phoenix

wire 2026-09-20

Elixir trims Calendar.ISO parsing and weekday math, densifies coverage accounting

Optimize digit parsing in Calendar.ISO elixir-lang/elixir
Optimize Calendar.ISO weekday arithmetic elixir-lang/elixir
Optimize digit parsing in Calendar.ISO (#15913) elixir-lang/elixir

Elixir & Phoenix

wire 2026-09-12

Faster Range.disjoint?, LiveUploader trims copies, Ecto filter/2 docs corrected

Simplify Range.disjoint?/2 intersection arithmetic (#15884) elixir-lang/elixir
Simplify Range.disjoint?/2 intersection arithmetic elixir-lang/elixir
Remove redundant array copies in LiveUploader (#4439) phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-09-09

ExUnit parameterized tests now draw unique random sequences

Defer function domain disjointness until nonemptiness succeeds elixir-lang/elixir
Defer function domain disjointness until nonemptiness succeeds (#15870) elixir-lang/elixir
Remove redundant stream-rendering branches (#4433) phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-09-08

LiveView async fixes, Elixir docs gains

Avoid allocating unused async PID metadata (#4426) phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-09-07

LiveView flash age 1000x too long, plus IEx autocomplete crash fix

Fix max flash age unit in Utils.verify_flash (#4429) phoenixframework/phoenix_live_view
Fix max flash age unit in Utils.verify_flash phoenixframework/phoenix_live_view
Simplify push events diff (#4427) phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-09-06

Elixir fixes unary operator precedence with do-end blocks

Correct tuple difference comments (#15859) elixir-lang/elixir

Elixir & Phoenix

wire 2026-09-05

Phoenix CI drops Process.sleep blind waits; Elixir fixes Hex version check

Optimize Enum.min_max/1,2 for non-empty lists elixir-lang/elixir

Elixir & Phoenix

wire 2026-09-04

Elixir date parsing loses guarded helpers

Inline Calendar.ISO parsing heads and eliminate guarded helpers (#15840) elixir-lang/elixir
Optimize Date.Range.member?/2 by branching on step sign (#15838) elixir-lang/elixir
Remove unused extra parameter from to_component_tracking (#4417) phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-09-02

Phoenix phx.new.web drops Ecto by default

Optimize JSON map key encoding elixir-lang/elixir
Optimize JSON map key encoding (#15824) elixir-lang/elixir

Elixir & Phoenix

wire 2026-09-01

Phoenix adds CI-friendly test summary formatter

Remove unused parameters in Myers list diff (#15822) elixir-lang/elixir

Elixir & Phoenix

wire 2026-08-26

Phoenix ships emergency fix for Chrome tab resume

Optimize live stream option lookup phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-08-25

LiveView crash fix lands as Elixir corrects Greek casing

Unify map domain type lookup (#15789) elixir-lang/elixir

Elixir & Phoenix

wire 2026-08-24

ELIXIR CORE CUTS MAP LOOKUP WASTE

Avoid rebuilding map domains during lookup elixir-lang/elixir
Reuse the top non-empty list descriptor elixir-lang/elixir

Elixir & Phoenix

wire 2026-08-17

ELIXIR CORE SHIPS CALENDAR SPEED SWEEP, PHOENIX LIVE VIEW FIXES UI STALLS

Optimize Time.compare/2 elixir-lang/elixir
Optimize Date.compare/2 elixir-lang/elixir

Elixir & Phoenix

wire 2026-08-14

ELIXIR FIXES DATE FORMATTING BUG, SPEEDS UP URI QUERIES

Optimize URI.append_query field access elixir-lang/elixir

Elixir & Phoenix

wire 2026-08-13

URI ENCODING GETS 10X SPEEDUP AS PHOENIX PATCHES BOOT CRASH

Optimize EEx fn block detection elixir-lang/elixir

Elixir & Phoenix

wire 2026-08-07

PHOENIX LIVE VIEW TIGHTENS UPLOAD REFERENCE FILTERING

Simplify upload reference filtering (#4363) phoenixframework/phoenix_live_view
Simplify upload reference filtering phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-08-02

ELIXIR CUTS DURATION PARSING AND TUPLE MATH OVERHEAD

Optimize Calendar.ISO.parse_duration/1 elixir-lang/elixir
Optimize Calendar.ISO.parse_duration/1 (#15709) elixir-lang/elixir

Elixir & Phoenix

wire 2026-08-01

ELIXIR TRIMS REDUNDANT CHECKS, OPTIMIZES MACRO LOOKUPS

Remove redundant pending clause check (#15707) elixir-lang/elixir
Remove redundant pending clause check elixir-lang/elixir
Optimize key lookups in Macro elixir-lang/elixir
Optimize key lookups in Macro (#15706) elixir-lang/elixir

Elixir & Phoenix

wire 2026-07-31

ELIXIR PATCHES CALENDAR PERFORMANCE REGRESSION WHILE PHOENIX EXPANDS PLUG FLEXIBILITY

Fix typespecs for scoped macro counters (#15705) elixir-lang/elixir

Elixir & Phoenix

wire 2026-07-26

ELIXIR STRIPS REDUNDANT GUARDS, FIXES TUPLE PROJECTION BUG

Remove redundant min from Enum.drop/2 (#15671) elixir-lang/elixir
Remove redundant abs call from Date.Range (#15669) elixir-lang/elixir
Remove redundant abs calls from Calendar.ISO (#15675) elixir-lang/elixir

Elixir & Phoenix

wire 2026-07-25

LIVEVIEW ASYNC CLEANUP FIX SHIPS ALONGSIDE RANGE OPTIMIZATIONS

Remove redundant abs calls from Range (#15666) elixir-lang/elixir
Remove redundant abs calls from Range elixir-lang/elixir

Elixir & Phoenix

wire 2026-07-21

ECTO GAINS FRAGMENT COLUMN NAMING, PHOENIX PLUGS GET SMARTER

Optimize Range.disjoint?/2 empty checks elixir-lang/elixir

Elixir & Phoenix

wire 2026-07-20

ELIXIR COMPILER GETS 20% FASTER TYPE CHECKING

Optimize disjoint function argument checks elixir-lang/elixir

Elixir & Phoenix

wire 2026-07-18

ELIXIR CUTS EXPONENTIAL GROWTH IN BDD INTERSECTIONS, PHOENIX LIVE VIEW SKIPS CLONES ON STABLE LISTS

Avoid cloning keyed comprehensions without moves phoenixframework/phoenix_live_view
Avoid cloning keyed comprehensions without moves (#4328) phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-07-16

PHOENIX LIVE VIEW PATCHES WEBSOCKET DOS WHILE ECTO FIXES RELATION TRACKING

Optimize URI scheme detection for paths phoenixframework/phoenix_live_view
Remove redundant nil check for child_diff (#4293) phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-06-18

ELIXIR CORE LANDS PERFORMANCE WINS ACROSS DURATION AND KEYWORD

Optimize Duration.add, subtract, multiply, negate elixir-lang/elixir
Optimize Keyword.validate/2 by adding fast-track list merging elixir-lang/elixir

Elixir & Phoenix

wire 2026-06-15

ELIXIR RUNTIME GETS SWEEPING PERFORMANCE OVERHAUL WHILE PHOENIX TIGHTENS 1.20 COMPATIBILITY

Optimize URI.to_string/1 elixir-lang/elixir
Optimize unpercent with guard and by avoiding with clause elixir-lang/elixir
Optimize bag_distance by calling bag_difference only once elixir-lang/elixir
Optimize MapSet.symmetric_difference/2 when sizes mismatched elixir-lang/elixir
Optimize assign_stream by batching LiveStream insertions phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-06-09

ELIXIR ADDS TRACE HELPER FOR ASYNC TEST ASSERTIONS

Validate render_upload entry ref phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-06-08

ELIXIR ADDS TRACE HELPER FOR ASYNC TEST ASSERTIONS

Validate render_upload entry ref phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-05-30

PHOENIX TIGHTENS LINK VALIDATION, LIVE VIEW DOCS EXPAND

Various typo fixes phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-05-23

PHOENIX WEBSOCKETS GET EXPLICIT DISCONNECT CODES, ELIXIR TIGHTENS TYPE TRACKING

Optimize gather_keys/2 in Channel to avoid Enum.at/2 on maps phoenixframework/phoenix_live_view
Fix stream_async return error message phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-05-20

ELIXIR FIXES VARIABLE DISCARD BUG, PHOENIX LIVE VIEW CUTS MEMORY OVERHEAD

Optimize Rendered iodata materialization phoenixframework/phoenix_live_view

Elixir & Phoenix

wire 2026-05-17

ELIXIR TIGHTENS XREF EXCLUSIONS, PARSER DIAGNOSTICS GET SMARTER

Clarify JS display defaults phoenixframework/phoenix_live_view

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