v3.2.2.0

Release 3.2.2.0 (Oct 28, 2026) -- compared to 3.2.1.3

• color: Give the linear display identities their CICP codes. #5540 (by @zachlewis / Zach Lewis)
• color: Add chromaticities and transfer gamma queries to ColorConfig. #5521 #5557 (by @zachlewis / Zach Lewis)
• color: Resolve namespaced Color Interop IDs. #5546 (by @zachlewis / Zach Lewis)
• color: Convert to and from Color Interop IDs the config lacks. #5547 (by @zachlewis / Zach Lewis)
• color: Preserve gamma conversion order with OCIO 2.3 and 2.4. #5517 (by @zachlewis / Zach Lewis)
• color: IsData() follows OCIO's lookup and its isdata flag. #5539 (by @zachlewis / Zach Lewis)
• color: Keep the default view transform when copying configs on OCIO < 2.3.2. #5538 (by @zachlewis / Zach Lewis)
• color: Load the color config on first use, not on construction. #5507 (by @zachlewis / Zach Lewis)
• ImageSpec: Carry source provenance on higher-level image specs. #5511 (by @zachlewis / Zach Lewis)
• oiiotool: Don't read past an empty --info result. #5537 (by @zachlewis / Zach Lewis)
• perf: Resolve the color interop ID table's names once per config. #5545 (by @zachlewis / Zach Lewis)
• perf: Reduce cache-line contention in ImageCache lookups. #5565 (by @lgritz / Larry Gritz)
• perf: Faster spin_mutex under contention; fix arm64 pause. #5564 #5583 (by @lgritz / Larry Gritz)
• IBA: Properly clamp resample() channel range and Highway row stride. #5541 (by @wingfiring / JacksonSun-adsk)
• IBA: Don't index channelnames past its size. #5607 (by @lgritz / Larry Gritz)
• IBA: premult() rejects alpha_channel == nchannels. #5610 (by @lgritz / Larry Gritz)
• ImageBuf: nmiplevels() returns 0 for non-ImageCache ImageBuf. #5437 (by @luna-y-kim / Luna Kim)
• ImageInput: Reject absurd tile/display sizes, and related fixes. #5519 (by @lgritz / Larry Gritz)
• ImageInput: Prevent integer overflow with large data window origins. #5494 (by @lgritz / Larry Gritz)
• dicom: Fix rejected subimages, and reaching every frame. #5474 (by @lgritz / Larry Gritz)
• dpx: Better handling of truncated pixel data. #5554 (by @lgritz / Larry Gritz)
• dpx: Fix integer overflow in scanline buffer offset. #5568 (by @lgritz / Larry Gritz)
• dpx: Writer mishandled subimages that differ from the first. #5608 (by @lgritz / Larry Gritz)
• exr: Report true file size to OpenEXRCore size callback. #5585 (by @lgritz / Larry Gritz)
• fits: Fix off-by-one scanline offset in reader and writer. #5555 (by @lgritz / Larry Gritz)
• gif: Reject subimages whose resolution differs from the first. #5609 (by @lgritz / Larry Gritz)
• heif: Don't let libheif exceptions escape open(). #5556 (by @lgritz / Larry Gritz)
• iconvert: Use a private ImageCache to gather subimage specs. #5508 (by @zachlewis / Zach Lewis)
• iff: Safety fixes: offsets in size_t, fix row flip. #5596 (by @lgritz / Larry Gritz)
• jpeg2000: Reject HTJ2K tile layouts that bloat OpenJPH memory. #5589 (by @lgritz / Larry Gritz)
• jpegxl: Propagate close-time encoder and write failures. #5509 (by @zachlewis / Zach Lewis)
• paramlist: Check span size in byte-span calls. #5615 (by @jinhgkim / Jinnie Kim)
• png: Preserve mastering display metadata (mDCV). #5512 (by @zachlewis / Zach Lewis)
• pnm: Reject out-of-range maxval; avoid int overflow when scaling. #5592 (by @lgritz / Larry Gritz)
• psd: Skip empty layers when reading PSD files. #5562 (by @jeevan6996 / Jeevan Mohan Pawar)
• psd: Reject layer missing a required channel id #5599, bound RLE row lengths by available data #5591 (by @lgritz / Larry Gritz)
• r3d: Check decode status, validate clip geometry, report errors. #5413 (by @lgritz / Larry Gritz)
• raw: Include LibRaw error messages within ours #5573, apply the compression-ratio check to the output spec #5618 (by @lgritz / Larry Gritz)
• sgi: Bounds check RLE run value byte for 8 bit data. #5513 (by @lgritz / Larry Gritz)
• softimage: Check read_next_scanline results. #5590 (by @lgritz / Larry Gritz)
• tiff: 64-bit size for LONG-typed IPTC data. #5577 (by @lgritz / Larry Gritz)
• tiff: Fix premultiply of unassociated alpha in subset and tiled reads. #5614 (by @lgritz / Larry Gritz)
• tiff: Integer overflow safety in TIFF writer. #5613 (by @lgritz / Larry Gritz)
• tiff: Cap libtiff internal allocations at limits:imagesize_MB. #5616 (by @lgritz / Larry Gritz)
• tiff: Fix stack overflow reading InkNames of multi-ink files. #5600 (by @lgritz / Larry Gritz)
• xml: Handle rational types in ImageSpec roundtrip. #5581 (by @ayushactiveat / Ayush Singh)
• python: Render ImageSpec.format as a property and restore __version__ in the python stubs. #5582 (by @linsen458-spec / Ethan Lin)
• python: Fix overflow in read_scanlines/read_tiles/get_pixels. #5569 (by @lgritz / Larry Gritz)
• python: Build python stubs with nanobind stubgen and a pattern file. #5552 (by @linsen458-spec / Ethan Lin)
• int: Move errorfmt to strutil.h so both libs can use it. #5620 (by @jinhgkim / Jinnie Kim)
• int: Move IGNORE_HOMEBREWED_DEPS logic to dependency_utils.cmake. #5501 (by @lgritz / Larry Gritz)
• platform.h: Add OIIO_NOINLINE. #5626 (by @lgritz / Larry Gritz)
• simd.h: Avoid misaligned typed stores in partial vint4/vfloat4 stores. #5566 (by @lgritz / Larry Gritz)
• span.h: Guard spancpy/spanset/spanzero against offset past end. #5598 (by @lgritz / Larry Gritz)
• test: Fix the missing lock correctness check #5574, fix misused lambda in std::all_of check #5575 (by @jinhgkim / Jinnie Kim)
• test: Fix spurious testsuite/texture-texture3d failures #5588, fix texture-device-devicecheck needing fmt headers first #5542, set PYTHONPATH to this build's bindings for every test #5553 (by @lgritz / Larry Gritz)
• test: Cover out-of-order and post-failure subimage seeks #5524, runtest.py redirect_push()/redirect_pop() #5476, let imageinout_test skip one format #5603, lower harness limits:imagesize_MB to 512 #5617 (by @lgritz / Larry Gritz)
• build: Clear stale dep version before refinding a local build. #5578 (by @lgritz / Larry Gritz)
• build: Accept commas in dependency list options. #5499 (by @lgritz / Larry Gritz)
• build: Fix libc++ hardening mode never being enabled. #5523 (by @lgritz / Larry Gritz)
• build: Detect FFmpeg 8.1 and 9.x correctly. #5535 (by @lgritz / Larry Gritz)
• build: Don't pass our minimum OpenJPH version to find_package. #5587 (by @lgritz / Larry Gritz)
• build: Python wheel fixes: upload wheels for 3.2.* #5572, Python 3.15 wheels #5533, pin Linux wheel job to ubuntu-24.04 #5621 (by @lgritz / Larry Gritz)
• ci: Test better span of libuhdr versions, auto-build default 2.0.2. #5526 (by @lgritz / Larry Gritz)
• ci: Imath+OpenEXR CI and autobuild improvements #5529, adjust dependency pins on oldest, latest, and bleeding #5543, adjust freetype in 'latest' and 'oldest' jobs #5579 (by @lgritz / Larry Gritz)
• ci: Remove MacOS14 tests, GitHub is retiring the runner. #5532 (by @lgritz / Larry Gritz)
• ci/fuzz: Coverage-instrument the libraries in fuzz builds. #5586 (by @lgritz / Larry Gritz)
• docs: Clarify oiiotool --dup reference semantics and in-place commands. #5548 (by @linsen458-spec / Ethan Lin)
• docs: Bump docs workflow dependency versions (sphinx, breathe, etc). #5536 (by @lgritz / Larry Gritz)
• admin: Agent/AI tooling and docs: add the oiio-input-security-audit skill and archive the format audit spec, improve it, add a check-dependency-minmax skill, stop AGENTS.md from recommending direct CHANGES.md edits, fix the relative import path in .claude/CLAUDE.md. #5559 #5597 #5580 #5576 #5604 (by @lgritz / Larry Gritz, @jinhgkim / Jinnie Kim)