Release 2026-08-28 (i4 7597afdd) - #222
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Forward release from imaginaire4 main 7597afdd01 onto cosmos-framework main e66f6bc. Generated by packages/cosmos-framework-release/release.sh: exit 0, with 0 SOURCE BREAKs and 0 DEST BREAKs. This is the release that clears the two DEST BREAK collisions #220 acknowledged. Both files were authored here in #217 and backported into imaginaire4 as bfd655d67b; #220 recorded the destination pairs, and this ships them. It also advances _source_commit from 25433d97 (which predated that backport) to 7597afdd01 (which contains it). That matters for the backport gate: with the old anchor the two adopted files reconstructed as absent from the baseline and reported as add/add CONFLICTs. Verified against this tree, the check now exits 0 with nothing to port, so COSMOS_FRAMEWORK_BACKPORT_CHECK can be re-enabled once this lands. New in this release: task_types.py, action_io_projector{,_test}.py, flex_attention_utils.py, token_mix_control.py, transfer_control_transform_test.py, method_timer.py, and the reasoner packing_mbs_advisor / true_packing pair.
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Forward release from imaginaire4 main
7597afdd01onto cosmos-framework maine66f6bc, generated bypackages/cosmos-framework-release/release.sh.Gate results: exit 0 — 0 SOURCE BREAKs, 0 DEST BREAKs, 26 DEST WARNs.
What this unblocks
This is the release that clears the two
DEST BREAK collisions acknowledged in#220. Both files were authored here in #217 (FP8 mixed-precision diffusion steps)
and backported into imaginaire4 as
bfd655d67b; #220 recorded the destinationpairs, and this ships them.
It also advances
_source_commitfrom25433d97— which predated that backport —to
7597afdd01, which contains it. That matters for the backport gate: with theold anchor the two adopted files reconstructed as absent from the baseline and
surfaced as add/add CONFLICTs (exit 3), even though nothing needed porting.
Verified against this tree,
backport.py --checknow exits 0 with nothing toport, so
COSMOS_FRAMEWORK_BACKPORT_CHECKcan be re-enabled once this lands.Content notes
mixed_precision.py— the released form is AST-identical to the currentfile; the diff is only line wrapping from imaginaire4's 120-col formatter.
step_callback_test.py— additionally gainsimport pytestandpytestmark = [pytest.mark.L0, pytest.mark.CPU], which imaginaire4's conftestrequires (it skips unmarked tests) and we do not use. Inert here: no markers are
declared in
pyproject.tomland--strict-markersis off.New files
model/tokenizer/task_types.py,model/generator/mot/action_io_projector{,_test}.py,model/generator/mot/flex_attention_utils.py,data/generator/token_mix_control.py,data/generator/augmentors/transfer_control_transform_test.py,utils/generator/method_timer.py, and the reasonerpacking_mbs_advisor/true_packingpair.task_types.pyin particular resolves a SOURCE BREAK that had been blockingreleases from imaginaire4 main.